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User Manual CTS 710 SONET T est Set 070-8852-03 This document applies to firmware version 1.3 and above. User Manual CTS 710 SONET T est Set 070-8852-03 This document applies to firmware version 1.
Copyright E T ektronix, Inc. 1994. All rights reserved. T ektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes that in all previously published material. Specifications and price change privileges reserved.
W ARRANTY T ektronix warrants that this product will be free from defects in materials and workmanship for a period of three (3) years from the date of shipment.
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CTS 710 SONET T est Set User Manual i T able of Contents General Safety Summary xvii . . . . . . . . . . . . . . . . . . . . . . . . . . . . Preface xxi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . How This Manual is Organized xxi .
T able of Contents ii CTS 710 SONET T est Set User Manual Changing Parameters 2–15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Selecting Parameters 2–16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Selecting from Lists 2–16 .
T able of Contents CTS 710 SONET T est Set User Manual iii Starting and Stopping a T est 3–27 . . . . . . . . . . . . . . . . . . . . . . . . . . . Making Changes While Running a T est 3–28 . . . . . . . . . . . . . . . Actions Y ou Cannot Perform While Running a T est 3–28 .
T able of Contents iv CTS 710 SONET T est Set User Manual Mapping a T ributary Signal (Add/Drop/T est Option Only) 3–72 . . . Mapping a T ributary with VT1.5 Floating Async Payload Mapping 3–72 . . . . . . . . . . . . . . . . . . . . . . . . . . .
T able of Contents CTS 710 SONET T est Set User Manual v V iewing Overhead Bytes 3–1 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V iewing Transport Overhead Bytes 3–1 15 . . . . . . . . . . . . . . . . . . . V iewing Path Overhead Bytes 3–1 16 .
T able of Contents vi CTS 710 SONET T est Set User Manual V iewing Detailed Results 3–174 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Displaying an Overview of T est Results 3–175 . . . . . . . . . . . . . . . Displaying an Analysis of T est Results 3–177 .
T able of Contents CTS 710 SONET T est Set User Manual vii Running Instrument Self T ests 3–210 . . . . . . . . . . . . . . . . . . . . . . . . . . Running the Power Up Self T est 3–21 1 . . . . . . . . . . . . . . . . . . . . . Appendices Appendix A: Menu Maps A–1 .
T able of Contents viii CTS 710 SONET T est Set User Manual Appendix B: Status and Error Messages B–1 . . . . . . . . . . . . . . . . Status Messages B–1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Error Messages B–3 .
T able of Contents CTS 710 SONET T est Set User Manual ix List of Figures Figure i: Placing the Refer ence for Easy V iewing xxiii . . . . . . . . Figure 1–1: Installing the Accessory Pouch 1–4 . . . . . . . . . . . . . Figure 1–2: Inserting the Pouch Under the Fr ont Panel T rim 1–5 .
T able of Contents x CTS 710 SONET T est Set User Manual Figure 2–19: Editing a T ext String 2–23 . . . . . . . . . . . . . . . . . . . . . Figure 2–20: Setup for the T utorial 2–28 . . . . . . . . . . . . . . . . . . . . Figure 2–21: The TRANSMIT SETTINGS Page of the TRANSMIT Menu 2–29 .
T able of Contents CTS 710 SONET T est Set User Manual xi Figure 3–10: Elapsed T ime and Bar Graph Indicators 3–28 . . . . Figure 3–1 1: The SA VE INSTRUMENT SETUPS Page 3–33 . . . Figure 3–12: The RECALL INSTRUMENT SETUPS Page 3–35 Figure 3–13: Selecting a Disk File for Deleting 3–36 .
T able of Contents xii CTS 710 SONET T est Set User Manual Figure 3–36: Sequence for Setting SONET Signal Parameters 3–99 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 3–37: Sequence for Setting SONET Signal Parameters When Demapping a T ributary Signal 3–100 .
T able of Contents CTS 710 SONET T est Set User Manual xiii Figure 3–59: Line Graph Showing Pointer V alue 3–184 . . . . . . . . . Figure 3–60: On/Off Graphs Showing Failur es and Alarms 3–185 Figure 3–61: Elements of a History Graph 3–188 .
T able of Contents xiv CTS 710 SONET T est Set User Manual List of T ables T able 1–1: Fuse and Fuse Cap Part Numbers 1–8 . . . . . . . . . . . T able 1–2: Power Requirements 1–9 . . . . . . . . . . . . . . . . . . . . . . T able 2–1: Icons that Appear in the Display 2–8 .
T able of Contents CTS 710 SONET T est Set User Manual xv T able 3–20: Choices for Bit 5 of the K2 Byte When Mode is Set to Span 3–169 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T able 3–21: Choices for Bit 5 of the K2 Byte When Mode is Set to Ring 3–169 .
T able of Contents xvi CTS 710 SONET T est Set User Manual T able D–3: Environmental Specifications D–17 . . . . . . . . . . . . . . T able D–4: Physical Characteristics D–18 . . . . . . . . . . . . . . . . . . . T able D–5: Certifications and Compliances D–18 .
CTS 710 SONET T est Set User Manual xvii General Safety Summary Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it. Only qualified personnel should perform service pr ocedur es. T o avoid potential hazards, use this product only as specified.
General Safety Summary xviii CTS 710 SONET T est Set User Manual Do Not Operate in Wet/Damp Conditions T o avoid electric shock, do not operate this product in wet or damp conditions. Do Not Operate in Explosive Atmosphere T o avoid injury or fire hazard, do not operate this product in an explosive atmosphere.
General Safety Summary CTS 710 SONET T est Set User Manual xix Safety T erms and Symbols T erms in This Manual These terms may appear in this manual: W ARNING. W arning statements identify conditions or practices that could r esult in injury or loss of life.
General Safety Summary xx CTS 710 SONET T est Set User Manual Certifications and Compliances CSA Certified Power Cords CSA Certification includes the products and power cords appropriate for use in the North America power network. All other power cords supplied are approved for the country of use.
CTS 710 SONET T est Set User Manual xxi Preface This manual describes how to use the T ektronix CTS 710 SONET T est Set. This manual is your primary source of information about how the CTS 710 functions. How This Manual is Organized This manual is divided into four sections: Getting Started , Operating Basics , Refer ence , and Appendices .
Preface xxii CTS 710 SONET T est Set User Manual The T utorial and the Refer ence sections frequently present procedures in tables. Perform the procedure by reading from left to right in the table (see example below). The word none in a cell indicates that no action is required.
Preface CTS 710 SONET T est Set User Manual xxiii Using the CTS 710 Reference The Reference presents an overview of the CTS 710 menu structure, front-panel buttons, examples of alarm responses, and a glossary .
Preface xxiv CTS 710 SONET T est Set User Manual Contacting T ektronix Product Support For application-oriented questions about a T ektronix measurement product, call toll free in North America: 1-800-TEK-WIDE (1-800-835-9433 ext. 2400) 6:00 a.m. – 5:00 p.
Getting Started Getting Started.
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CTS 710 SONET T est Set User Manual 1–1 Getting Started This section provides a description of the CTS 710, a list of standard and optional accessories, and explains how to operate the CTS 710 for the first time.
Getting Started 1–2 CTS 710 SONET T est Set User Manual The CTS 710 meets the needs of the craftsperson and the network engineer . The CTS 710 meets the requirements of those working in network inst.
Getting Started CTS 710 SONET T est Set User Manual 1–3 H CTS 710 SONET T est Set & CTS 750 SDH T est Set Service Manual (T ektronix part number 070-8853-XX) H Hard T ransit Case, T ektronix par.
Getting Started 1–4 CTS 710 SONET T est Set User Manual Pouch Plate Rear Panel T rim Pouch Plate A. Push the pouch plate into the rear panel trim gap. Rear Panel Trim Gap (T op View) V elcro Strip B. Center the pouch plate to align with key slot under the rear panel trim.
Getting Started CTS 710 SONET T est Set User Manual 1–5 CAUTION. In the next step, use only enough for ce to clear the fr ont panel trim with the plate fr ont edge.
Getting Started 1–6 CTS 710 SONET T est Set User Manual DO NOT LIFT Instrument With D-Ring Figure 1–3: Location of the D-Ring on the Accessory Pouch Getting Started 1–6 CTS 710 SONET T est Set U.
Getting Started CTS 710 SONET T est Set User Manual 1–7 Setting Up the CTS 710 Before you use the CTS 710, ensure that it is properly set up and powered on. T o properly set up the CTS 710, do the following: 1. Be sure that the environment in which you will operate the CTS 710 is within instrument specifications.
Getting Started 1–8 CTS 710 SONET T est Set User Manual Power Connector Principal Power Switch Fuse Ground Figure 1–4: Rear-Panel Controls and Connectors Used in Setup T able 1–1: Fuse and Fuse Cap Part Numbers Fuse Fuse T ektronix Part Number Fuse Cap T ektronix Part Number 0.
Getting Started CTS 710 SONET T est Set User Manual 1–9 4. Check that you have the proper electrical connections. The CTS 710 power requirements are listed in T able 1–2. T able 1–2: Power Requirements V oltage Range Frequency Range Maximum Power 90–132 V 48–62 Hz 250 W 180–250 V 48–62 Hz 250 W 5.
Getting Started 1–10 CTS 710 SONET T est Set User Manual ON/STBY Button Figure 1–5: ON/STBY Button The CTS 710 performs an internal self test each time it is turned on. When turned on, it displays a screen that states whether or not it passed the self test.
Operating Basics Operating Basics.
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CTS 710 SONET T est Set User Manual 2–1 Functional Overview This section describes how to use and navigate through the basic functions of the CTS 710, including: H Controls, indicators, and connecto.
Functional Overview 2–2 CTS 710 SONET T est Set User Manual Front-Panel Controls, Indicators, and Connectors Figures 2–1 and 2–2 identify the controls, indicators, and connectors located on the front panel of the CTS 710 SONET T est Set.
Functional Overview CTS 710 SONET T est Set User Manual 2–3 Electrical Connectors Optical Connector Disk Drive LASER IN USE Indicator Status Lights Each of these buttons perform a specific function. These buttons select one of the five menus. Optical Connector The knob is primarily used to highlight parameters within pages.
Functional Overview 2–4 CTS 710 SONET T est Set User Manual Rear-Panel Controls and Connectors Power Connector Principal Power Switch Fuse V GA Video Output GPIB Port RS-232 Port (Connector Not Used) 1.
Functional Overview CTS 710 SONET T est Set User Manual 2–5 H Y ellow history lights. Once an event has been detected, a yellow history light is turned on.
Functional Overview 2–6 CTS 710 SONET T est Set User Manual Reading the Display There are several major areas that make up the CTS 710 display (see Figure 2–5). Pages of the Menu This area displays the contents of the different pages of each menu.
Functional Overview CTS 710 SONET T est Set User Manual 2–7 Figure 2–6 provides a guide to specific areas of the display . Menu Name T est State Indicator Highlighted Parameter Parameters or optio.
Functional Overview 2–8 CTS 710 SONET T est Set User Manual T able 2–1: Icons that Appear in the Display Icon Meaning T ransmitted signal Received signal CTS 710 is in through mode CTS 710 is in c.
Functional Overview CTS 710 SONET T est Set User Manual 2–9 The Basic Menu Structure The CTS 710 is controlled primarily through its menu system. Though several controls are located on the front panel, such as INSER T ERROR, most functions are controlled from one of the five menus.
Functional Overview 2–10 CTS 710 SONET T est Set User Manual identified by a page tab located at the bottom of the display (see Figure 2–8). RECEIVE SETTINGS TRANSPORT OVERHEAD PAT H OVERHEAD TRAN.
Functional Overview CTS 710 SONET T est Set User Manual 2–1 1 NOTE . The only times pr essing a menu button does not change menus ar e when a dialog box is displayed or when you ar e entering a value for a parameter . Y ou must first exit the dialog box or finish entering the value befor e you can change menus.
Functional Overview 2–12 CTS 710 SONET T est Set User Manual Display the page by pressing the button below the page tab. Page T ab Figure 2–10: How to Display a Page Displaying Help T o display help, press the HELP front-panel button. When the HELP dialog box appears, use the knob to select the topic you wish to view (see Figure 2–1 1).
Functional Overview CTS 710 SONET T est Set User Manual 2–13 Figure 2–1 1: Help Dialog Box Once you press V iew Help, the help screen for that topic is displayed. If a help topic covers more than one page, you can display the next page by selecting Page Down .
Functional Overview 2–14 CTS 710 SONET T est Set User Manual Connecting Optical Signals NOTE . The optical TRANSMIT output is pr oduced by a Class 1 laser device.
Functional Overview CTS 710 SONET T est Set User Manual 2–15 Connecting SONET Electrical Signals T o connect SONET electrical signals to the CTS 710: 1. Connect the transmit end of the signal cable to the RECEIVE connector on the CTS 710. 2. Connect the receive end of the signal cable to the TRANSMIT connector on the CTS 710.
Functional Overview 2–16 CTS 710 SONET T est Set User Manual Selecting Parameters T o change a parameter , use the knob to highlight it. As you turn the knob, the display highlight moves from parameter to parameter (see Figure 2–12). This is the selected parameter .
Functional Overview CTS 710 SONET T est Set User Manual 2–17 you press –more– the next list of choices is displayed. Below –more– is a line that shows which list of choices is displayed. When the last list of choices is displayed, pressing –more– displays the first list of choices again (see Figure 2–13).
Functional Overview 2–18 CTS 710 SONET T est Set User Manual Selecting USER DEFINED allows you to enter a numeric value. Figure 2–14: Selecting USER DEFINED After you select USER DEFINED, the buttons at the right side of the display are reassigned, as shown in Figure 2–15.
Functional Overview CTS 710 SONET T est Set User Manual 2–19 Selecting this choice allows the knob to make large changes quickly . Selecting this choice allows the knob to make small changes. T urning the knob changes this value. Y ou must select DONE to exit the edit mode.
Functional Overview 2–20 CTS 710 SONET T est Set User Manual Changing Binary Numbers There are two kinds of binary numbers that can be changed in the CTS 710: payload patterns and overhead bytes. As with other numerical values, you can select preset values or enter specific values by selecting Edit Byte.
Functional Overview CTS 710 SONET T est Set User Manual 2–21 3. T o change the value of the highlighted bit, select either 1 or 0 . Each time you select 1 or 0, the highlighted bit is changed and the highlight moves to the next bit. 4. T o select a different bit for editing, select either the right or left arrow to move the highlight.
Functional Overview 2–22 CTS 710 SONET T est Set User Manual Select the text string to edit by using the knob. Select EDIT TEXT to edit the specified text string.
Functional Overview CTS 710 SONET T est Set User Manual 2–23 5. When you are finished editing the text string, select DONE . The characters available depend on the text string being edited. The characters used for file names are a subset of the characters available for message text.
Functional Overview 2–24 CTS 710 SONET T est Set User Manual T able 2–2: CTS 710 Disk File T ypes File T ype Description File Extension Instrument Setups Complete description of instru- ment settings .SET Pass/Fail T ests Complete description of instru- ment settings, operator prompts, and Fail If conditions .
Functional Overview CTS 710 SONET T est Set User Manual 2–25 2. Press the TEST SETUPS front-panel button to display the TEST SETUPS menu. 3. Select the RECALL P ASS/F AIL TESTS page. 4. Select Disk to display the pass/fail tests on disk. T o view test results files on a disk: 1.
Functional Overview 2–26 CTS 710 SONET T est Set User Manual Functional Overview 2–26 CTS 710 SONET T est Set User Manual.
CTS 710 SONET T est Set User Manual 2–27 T utorial The tutorial acquaints you with the features of the CTS 710 by having you run a test while you explore specific features of the CTS 710. For full details on how to use the CTS 710, refer to Refer ence .
T utorial 2–28 CTS 710 SONET T est Set User Manual Connect the coaxial cable between the TRANSMIT and RECEIVE BNC connectors on the front panel (see Figure 2–20). 75 W Coaxial Cable CTS 710 SONET T est Set Figure 2–20: Setup for the T utorial Press the ON/STBY button to turn on the CTS 710.
T utorial CTS 710 SONET T est Set User Manual 2–29 T o set the transmit and receive parameters: Press Menu Button Select Menu Page Highlight Parameter Select Choice TRANSMIT TRANSMIT SETTINGS T rans.
T utorial 2–30 CTS 710 SONET T est Set User Manual T o specify which signal, or STS, to test: Press Menu Button Select Menu Page Highlight Parameter Select Choice STS Under T est 2 T o set the mappi.
T utorial CTS 710 SONET T est Set User Manual 2–31 coupled. However , note that the yellow history light remains on as an indication that an error has occurred.
T utorial 2–32 CTS 710 SONET T est Set User Manual Where T est Results Are Displayed Once you have set the transmit and receive parameters and the test time, you can begin the test. However , before starting the test, look at the RESUL TS menu where the results of the test appear .
T utorial CTS 710 SONET T est Set User Manual 2–33 The RESUL TS menu contains four pages on which results are displayed: TEST SUMMAR Y , MAIN RESUL TS, ERROR ANAL YSIS, and HISTOR Y GRAPHS. Select MAIN RESUL TS to see one way test results are displayed (see Figure 2–24).
T utorial 2–34 CTS 710 SONET T est Set User Manual There are two elements to the test status indicator . The text above the bar graph indicates how long the test has been running. The text lists the days, hours, minutes, and seconds the test has been running.
T utorial CTS 710 SONET T est Set User Manual 2–35 Figure 2–26: The ERRORS & ALARMS Page of the TRANSMIT Menu There are two ways to insert errors into the transmitted signal. Y ou can insert errors one at a time or you can set a rate at which the CTS 710 inserts errors automatically .
T utorial 2–36 CTS 710 SONET T est Set User Manual than None results in a continuous stream of errors being inserted into the transmitted signal. T o insert a single error , press INSER T ERROR . When you press the INSER T ERROR button the red ERROR light flashes.
T utorial CTS 710 SONET T est Set User Manual 2–37 T o display the POINTERS & TIMING page: Press Menu Button Select Menu Page Highlight Parameter Select Choice TRANSMIT POINTERS & TIMING (se.
T utorial 2–38 CTS 710 SONET T est Set User Manual After selecting Single for pointer control, a message displays that tells you how to adjust the pointer . Pointer movement alternates between increment and decrement. T o adjust a pointer , press the front-panel POINTER ACTION button.
T utorial CTS 710 SONET T est Set User Manual 2–39 If the preset choices do not match what you need, use USER DEFINED to define an alternative. T o define a specific frequency offset: Press Menu Button Select Menu Page Highlight Parameter Select Choice USER DEFINED When you select USER DEFINED, the knob is assigned to adjust the frequency offset.
T utorial 2–40 CTS 710 SONET T est Set User Manual Use the knob to change the value of Frequency Offset; select any value you wish. When you are finished selecting a frequency offset: Press Menu But.
T utorial CTS 710 SONET T est Set User Manual 2–41 Figure 2–29: The TRANSPORT OVERHEAD Page of the TRANSMIT Menu The Showing Overhead for parameter identifies which columns of the transport overhead are displayed. T o display the overhead for other SPEs within the signal, select the appropriate choice.
T utorial 2–42 CTS 710 SONET T est Set User Manual T o edit a byte of the transport overhead: Press Menu Button Select Menu Page Highlight Parameter Select Choice S1 byte EDIT BYTE Once you have selected EDIT BYTE, the CTS 710 enters the edit mode (see Figure 2–30).
T utorial CTS 710 SONET T est Set User Manual 2–43 have selected Set to 10101010. T o see that the CTS 710 is now receiving the new value of the S1 byte: Press Menu Button Select Menu Page Highlight Parameter Select Choice RECEIVE TRANSPORT OVERHEAD none none V erify that the transport overhead for STS–1 #1 is displayed.
T utorial 2–44 CTS 710 SONET T est Set User Manual Figure 2–31: The TEST SUMMAR Y Page of the RESUL TS Menu The MAIN RESUL TS page displays all the errors that have been detected. It also displays the error ratio and the number of errored seconds that have been logged (see Figure 2–32).
T utorial CTS 710 SONET T est Set User Manual 2–45 Figure 2–32: The MAIN RESUL TS Page of the RESUL TS Menu This completes the tutorial. For detailed information on CTS 710 capabilities, refer to Refer ence , starting on page 3–1.
T utorial 2–46 CTS 710 SONET T est Set User Manual T utorial 2–46 CTS 710 SONET T est Set User Manual.
Reference Reference.
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CTS 710 SONET T est Set User Manual 3–1 Basic T est Procedures This section gives examples of how to set up and use the CTS 710 SONET T est Set for several common telecommunication network applicati.
Basic T est Procedures 3–2 CTS 710 SONET T est Set User Manual Network Continuity Checking W ith the AUTOSCAN feature of the CTS 710, it is easy to make a quick continuity check.
Basic T est Procedures CTS 710 SONET T est Set User Manual 3–3 2. Set up the CTS 710 as follows: Press Menu Button Select Menu Page Highlight Parameter Select Choice TEST SETUPS RECALL INSTRUMENT SETUPS DEF AUL T F ACTOR Y SETTINGS Recall Setup TRANSMIT TRANSMIT SETTINGS T ransmit Rate STS-3 3.
Basic T est Procedures 3–4 CTS 710 SONET T est Set User Manual T ransmission Signal Quality T esting Measuring Bit Error Rate The bit error rate (BER) test is one of the best ways to measure the quality of a SONET transmission link. Y ou can use the CTS 710 to make a BER test on a two-way link that is connected in a loop-back configuration.
Basic T est Procedures CTS 710 SONET T est Set User Manual 3–5 2. Set up the CTS 710 as follows: Press Menu Button Select Menu Page Highlight Parameter Select Choice TEST SETUPS RECALL INSTRUMENT SE.
Basic T est Procedures 3–6 CTS 710 SONET T est Set User Manual 8. If you wish, you can also enter a description of the test results by highlighting Description and selecting EDIT TEXT .
Basic T est Procedures CTS 710 SONET T est Set User Manual 3–7 2. Set up the CTS 710 as follows: Press Menu Button Select Menu Page Highlight Parameter Select Choice TEST SETUPS RECALL INSTRUMENT SETUPS DEF AUL T F ACTOR Y SETTINGS Recall Setup TRANSMIT TRANSMIT SETTINGS T ransmit Rate DS1 RECEIVE RECEIVE SETTINGS Receive Rate STS-1 Mapping VT1.
Basic T est Procedures 3–8 CTS 710 SONET T est Set User Manual 4. When the test is complete, you can store the test results to disk or print out a hardcopy .
Basic T est Procedures CTS 710 SONET T est Set User Manual 3–9 connecting the upstream and downstream signals to the RECEIVE input. T able 3–1 shows the responses expected from Line T erminating Equipment (L TE), such as an STS-3/STS-1 multiplexer, when presented with three possible error and alarm conditions.
Basic T est Procedures 3–10 CTS 710 SONET T est Set User Manual 2. T o check the L TE response to a Section B1 error, set up the upstream CTS 710 as follows: Press Menu Button Select Menu Page Highl.
Basic T est Procedures CTS 710 SONET T est Set User Manual 3–1 1 3. Set up the downstream CTS 710 as follows: Press Menu Button Select Menu Page Highlight Parameter Select Choice TEST SETUPS RECALL INSTRUMENT SETUPS DEF AUL T F ACTOR Y SETTINGS Recall Setup RECEIVE RECEIVE SETTINGS Receive Rate STS-1 RESUL TS MAIN RESUL TS none Errors 4.
Basic T est Procedures 3–12 CTS 710 SONET T est Set User Manual 9. Change the downstream CTS 710 as follows: Press Menu Button Select Menu Page Highlight Parameter Select Choice RECEIVE TRANSPORT OVERHEAD none none 10. Press the ST AR T/STOP buttons on both the upstream and downstream CTS 710s so that the ST AR T/STOP lights are on.
Basic T est Procedures CTS 710 SONET T est Set User Manual 3–13 15. Change the downstream CTS 710 as follows: Press Menu Button Select Menu Page Highlight Parameter Select Choice RESUL TS MAIN RESUL TS none Alarms 16. Press the ST AR T/STOP buttons on both the upstream and downstream CTS 710s so that the ST AR T/STOP lights are on.
Basic T est Procedures 3–14 CTS 710 SONET T est Set User Manual NE CTS 710 SONET T est Set All Signals are STS-3 Figure 3–5: Setup to Check Pointer Movements Basic T est Procedures 3–14 CTS 710 .
Basic T est Procedures CTS 710 SONET T est Set User Manual 3–15 2. Set up the CTS 710 as follows: Press Menu Button Select Menu Page Highlight Parameter Select Choice TEST SETUPS RECALL INSTRUMENT S.
Basic T est Procedures 3–16 CTS 710 SONET T est Set User Manual Response to Line Frequency Offset Pointers also accommodate differences in line frequency from one NE to another . In this example, the CTS 710 transmits a signal at an offset line frequency to an NE and measures the response.
Basic T est Procedures CTS 710 SONET T est Set User Manual 3–17 2. Set up the CTS 710 as follows: Press Menu Button Select Menu Page Highlight Parameter Select Choice TEST SETUPS RECALL INSTRUMENT S.
Basic T est Procedures 3–18 CTS 710 SONET T est Set User Manual Performance Monitoring When a new line is installed you may want to monitor performance for a day or so to be sure it is operating correctly . Or , if problems are suspected on a line, you may want to run a long test to determine the cause of the problem.
Basic T est Procedures CTS 710 SONET T est Set User Manual 3–19 NE NE All Signals are OC-3 CTS 710 SONET T est Set Figure 3–7: Setup to Monitor Performance 2.
Basic T est Procedures 3–20 CTS 710 SONET T est Set User Manual Payload errors by pressing the buttons corresponding to those choices. 5. T o see network performance data since the start of the test.
Basic T est Procedures CTS 710 SONET T est Set User Manual 3–21 7. For example, to change the bottom graph to display the history of Path B3 Errored Seconds, change the CTS 710 setup as follows: Pre.
Basic T est Procedures 3–22 CTS 710 SONET T est Set User Manual Basic T est Procedures 3–22 CTS 710 SONET T est Set User Manual.
CTS 710 SONET T est Set User Manual 3–23 Setting T est Control Parameters This section describes how to set the duration for a test, the resolution of the test history , and how to start and stop a test. It also lists parameters that cannot be adjusted during a test and other actions that cannot be performed while a test is running.
Setting T est Control Parameters 3–24 CTS 710 SONET T est Set User Manual Once the test duration is set, any time a test is started it will run for the time specified on the T est Duration line. NOTE . If an instrument setup or pass/fail test is r ecalled from memory or disk, it overwrites the test duration specified on the TEST TIME page.
Setting T est Control Parameters CTS 710 SONET T est Set User Manual 3–25 T o set a unique test duration: Press Menu Button Select Menu Page Highlight Parameter Select Choice TEST SETUPS TEST CONTRO.
Setting T est Control Parameters 3–26 CTS 710 SONET T est Set User Manual T able 3–2 lists the range limits for the test duration. T able 3–2: T est Duration Limits Choice Range Increment Day 0 to 99 1 Hour 0 to 23 1 Minute 0 to 59 1 Second 0 to 59 1 NOTE .
Setting T est Control Parameters CTS 710 SONET T est Set User Manual 3–27 T o set the history resolution of a test: Press Menu Button Select Menu Page Highlight Parameter Select Choice TEST SETUPS T.
Setting T est Control Parameters 3–28 CTS 710 SONET T est Set User Manual Bar Graph shows percent of test complete Elapsed Time since test started Figure 3–10: Elapsed Time and Bar Graph Indicators Making Changes While Running a T est If you change instrument receive settings while a test is running, the test is restarted.
Setting T est Control Parameters CTS 710 SONET T est Set User Manual 3–29 T able 3–3: Actions Y ou Cannot Perform While a T est is Running Menu Page Action T E ST S E TUPS RECALL INSTRUMENT SETUPS.
Setting T est Control Parameters 3–30 CTS 710 SONET T est Set User Manual Setting T est Control Parameters 3–30 CTS 710 SONET T est Set User Manual.
CTS 710 SONET T est Set User Manual 3–31 W orking with T est Setups This section describes how to save instrument setups to disk, recall instrument setups, create pass/fail tests, and run a pass/fail test. Instrument setups are files, stored in memory or on disk, that completely describe how the CTS 710 is set up.
W orking with T est Setups 3–32 CTS 710 SONET T est Set User Manual Saving Instrument Setups T o save an instrument setup: 1. Set up the CTS 710 as desired. Set all instrument parameters as required. 2. T o save an instrument setup to disk, it must have a name.
W orking with T est Setups CTS 710 SONET T est Set User Manual 3–33 Figure 3–1 1: The SA VE INSTRUMENT SETUPS Page 3. Enter a description of the instrument setup as follows: Press Menu Button Select Menu Page Highlight Parameter Select Choice Description EDIT TEXT H Select EDIT TEXT to edit the description of the instrument setup.
W orking with T est Setups 3–34 CTS 710 SONET T est Set User Manual 5. Save the instrument setup to disk as follows: H Insert a disk to store the file on, if one has not already been inserted.
W orking with T est Setups CTS 710 SONET T est Set User Manual 3–35 Figure 3–12: The RECALL INSTRUMENT SETUPS Page The disk file listing displays up to six file names at a time. If more than six files are on disk, the file listing automatically scrolls when you turn the knob.
W orking with T est Setups 3–36 CTS 710 SONET T est Set User Manual Deleting Instrument Setups from Disk Y ou can delete instrument setups from disk using the Delete File action.
W orking with T est Setups CTS 710 SONET T est Set User Manual 3–37 Pass/Fail T ests A pass/fail test is an easy way to run a test and get a simple response stating whether or not the CTS 710 encountered the specified errors during the test.
W orking with T est Setups 3–38 CTS 710 SONET T est Set User Manual NOTE . A pass/fail test can only be saved on disk. It cannot be saved in memory . H Description. An optional, 24-character field that describes the test. H Operator Start Prompt. An optional, 72-character field that is displayed at the beginning of the test.
W orking with T est Setups CTS 710 SONET T est Set User Manual 3–39 H Detected. If the specified condition is detected, the test fails. H Not Detected.
W orking with T est Setups 3–40 CTS 710 SONET T est Set User Manual T able 3–4: Fail If Conditions of a Pass/Fail T est (Cont.) Condition T ype Threshold Specific Condition Section B1 >1.0e–9 >1.0e–8 >1.0e–7 >1.0e–6 USER Line B2 >1.
W orking with T est Setups CTS 710 SONET T est Set User Manual 3–41 T able 3–4: Fail If Conditions of a Pass/Fail T est (Cont.) Condition T ype Threshold Specific Condition DS1 CRC >1.
W orking with T est Setups 3–42 CTS 710 SONET T est Set User Manual T able 3–4: Fail If Conditions of a Pass/Fail T est (Cont.) Condition T ype Threshold Specific Condition Payload BIT >0 >1.
W orking with T est Setups CTS 710 SONET T est Set User Manual 3–43 T able 3–4: Fail If Conditions of a Pass/Fail T est (Cont.) Condition T ype Threshold Specific Condition VT BIP >0 >1 >.
W orking with T est Setups 3–44 CTS 710 SONET T est Set User Manual T able 3–4: Fail If Conditions of a Pass/Fail T est (Cont.) Condition T ype Threshold Specific Condition VT NDF’s >0 >1 >10 >60 USER (0–10000) VT Ptr . Justifys >0 >1 >10 >60 USER (0–10000) Creating a Pass/Fail T est T o create a pass/fail test: 1.
W orking with T est Setups CTS 710 SONET T est Set User Manual 3–45 number (or letter). Select DONE when you are finished editing the setup name. H Select EDIT NAME to enter a name other than TEST_XX for the pass/fail test. Select DONE when you are finished editing the test name.
W orking with T est Setups 3–46 CTS 710 SONET T est Set User Manual 4. Enter an operator start prompt as follows: Press Menu Button Select Menu Page Highlight Parameter Select Choice TEST SETUPS SA VE P ASS/F AIL TESTS Operator Start Prompt Default Clear Preview EDIT TEXT H Select Default to enter the default prompt TEST IS ABOUT TO ST AR T!.
W orking with T est Setups CTS 710 SONET T est Set User Manual 3–47 5. Set the test duration as follows: Press Menu Button Select Menu Page Highlight Parameter Select Choice TEST SETUPS SA VE P ASS/F AIL TESTS T est Duration 5 min 15 min 1 hour Continuous USER DEFINED H Select USER DEFINED to enter a time other than one of the preset choices.
W orking with T est Setups 3–48 CTS 710 SONET T est Set User Manual 7. Highlight the first entry in the second column (see Figure 3–15). If you wish to specify a specific condition, select one of the preset choices. 8. Highlight the first entry in the third column (see Figure 3–15).
W orking with T est Setups CTS 710 SONET T est Set User Manual 3–49 11 . Specify the action to be taken when the test completes as follows: Press Menu Button Select Menu Page Highlight Parameter Sel.
W orking with T est Setups 3–50 CTS 710 SONET T est Set User Manual 2. Select the pass/fail test to run as follows: Press Menu Button Select Menu Page Highlight Parameter Select Choice TEST SETUPS RECALL P ASS/FAIL TESTS none Disk select disk file name Recall NOTE .
W orking with T est Setups CTS 710 SONET T est Set User Manual 3–51 Figure 3–16: The TEST BEGIN Dialog Box 3. T o run the pass/fail test immediately , press ST AR T/STOP . The pass/fail test will begin. When the test is completed, the CTS 710 displays either TEST P ASSED! or TEST F AILED!.
W orking with T est Setups 3–52 CTS 710 SONET T est Set User Manual T o change an existing pass/fail test: 1. Insert the disk containing the pass/fail test into the disk drive.
W orking with T est Setups CTS 710 SONET T est Set User Manual 3–53 existing file. T o overwrite the file, select Overwrite . If you do not want to overwrite the file, select Cancel .
W orking with T est Setups 3–54 CTS 710 SONET T est Set User Manual W orking with T est Setups 3–54 CTS 710 SONET T est Set User Manual.
CTS 710 SONET T est Set User Manual 3–55 Checking Signal Status This section describes how to use the CTS 710 to check signal status. The CTS 710 continuously monitors the input signal for alarms, errors, and failures and provides indicators for the current signal status as well as indicating the history of the signal status.
Checking Signal Status 3–56 CTS 710 SONET T est Set User Manual Figure 3–18: The AUTOSCAN Dialog Box Showing Signal Structure Viewing the Payload (Add/Drop/T est Option Only) If the received signal uses tributary mapping, then Autoscan can display the different tributaries within the STS.
Checking Signal Status CTS 710 SONET T est Set User Manual 3–57 Figure 3–19: Viewing T ributary Signal Structure Determining the Payload Pattern and Framing (Add/Drop/T est Option Only) T o search for a pattern in the data of the received signal or determine the framing, select Analyze VT .
Checking Signal Status 3–58 CTS 710 SONET T est Set User Manual This shows that an alarm was detected in the VT . This means the VT is equipped. That is, the signal label (in the V5 byte) is not zero, indicating that the VT is probably carrying traffic.
Checking Signal Status CTS 710 SONET T est Set User Manual 3–59 Clear History button clears history of events Y ellow history lights indicate an event has occurred Red lights indicate an event is oc.
Checking Signal Status 3–60 CTS 710 SONET T est Set User Manual H Red lights indicate the associated condition is valid. For example, if the red light next to LOS is on, no signal is being received. See T able 3–6. H A yellow light is associated with each red light.
Checking Signal Status CTS 710 SONET T est Set User Manual 3–61 Extended Status The red-yellow pair of ERROR lights on the front panel turn on when a variety of error conditions exist on the line.
Checking Signal Status 3–62 CTS 710 SONET T est Set User Manual Checking Signal Status 3–62 CTS 710 SONET T est Set User Manual.
CTS 710 SONET T est Set User Manual 3–63 Setting SONET T ransmit Parameters This section describes how to set the transmit rate, specify the STS under test, set the payload mapping and content, and set the overhead bytes for SONET signals. The CTS 710 SONET T est Set contains independent transmitter and receiver modules.
Setting SDHSONET T ransmit Parameters 3–64 CTS 710 SONET T est Set User Manual Set Rate Set Clock Set Signal Structure Specify STS Under T est Set Mapping Set VT Under T est (Mapping = VT1.5 Async only) Set Payload (Either external add or internally generated) Set T est Pattern Set Background Pattern (Mapping = VT1.
Setting SDHSONET T ransmit Parameters CTS 710 SONET T est Set User Manual 3–65 rate while simultaneously transmitting an optical signal at the OC-3 rate. However , when working with tributary and DSn signals, the transmit and receive parameters are not completely independent.
Setting SDHSONET T ransmit Parameters 3–66 CTS 710 SONET T est Set User Manual T o couple the transmit and receive settings together from the TRANSMIT SETTINGS page: Press Menu Button Select Menu Page Highlight Parameter Select Choice TRANSMIT TRANSMIT SETTINGS Tx/Rx Settings Coupled NOTE .
Setting SDHSONET T ransmit Parameters CTS 710 SONET T est Set User Manual 3–67 Through Mode Use Through Mode to monitor a signal without changing it.
Setting SDHSONET T ransmit Parameters 3–68 CTS 710 SONET T est Set User Manual Through Mode Icon Figure 3–25: CTS 710 in Through Mode Setting the T ransmit Clock T o specify the transmit clock: Pr.
Setting SDHSONET T ransmit Parameters CTS 710 SONET T est Set User Manual 3–69 H Select BITS to use the clock signal from an external BITS reference.
Setting SDHSONET T ransmit Parameters 3–70 CTS 710 SONET T est Set User Manual T o specify the structure of an STS-3, OC-3, or OC-12 signal: Press Menu Button Select Menu Page Highlight Parameter Se.
Setting SDHSONET T ransmit Parameters CTS 710 SONET T est Set User Manual 3–71 Setting the Payload Mapping T o set the payload mapping: Press Menu Button Select Menu Page Highlight Parameter Select Choice TRANSMIT TRANSMIT SETTINGS Mapping Bulk Fill No Mapping (Equipped) Bulk Fill No Mapping (Unequipped) DS3 VT 1.
Setting SDHSONET T ransmit Parameters 3–72 CTS 710 SONET T est Set User Manual Unequipped Payload Mapping If you choose Bulk Fill No Mapping (Unequipped) payload mapping, the CTS 710 places the unequipped code in byte C2. Y ou can transmit any of the pattern choices available with the Bulk Fill No Mapping (Equipped) payload mapping.
Setting SDHSONET T ransmit Parameters CTS 710 SONET T est Set User Manual 3–73 Figure 3–26: Mapping a T ributary Signal T o configure the CTS 710 for mapping a signal: 1. Set the mapping as follows: Press Menu Button Select Menu Page Highlight Parameter Select Choice TRANSMIT TRANSMIT SETTINGS Mapping VT 1.
Setting SDHSONET T ransmit Parameters 3–74 CTS 710 SONET T est Set User Manual 2. If the Mapping is set to VT1.5 specify the VT under test as follows: Press Menu Button Select Menu Page Highlight Parameter Select Choice VT Under T est VT #1 VT #28 Next Previous H Select VT #1 to specify the first virtual tributary .
Setting SDHSONET T ransmit Parameters CTS 710 SONET T est Set User Manual 3–75 H Select DS3 Ext Add to map a DS3 signal, connected to the DS3 Input connector on the CTS 710 front panel, into the STS payload. H Select DS3 Unframed to map an internally generated, unframed DS3 signal into the STS payload.
Setting SDHSONET T ransmit Parameters 3–76 CTS 710 SONET T est Set User Manual If you select User W ord 8 bit/16 bit/24 bit for the test pattern, set the value of the User W ord as follows: 1.
Setting SDHSONET T ransmit Parameters CTS 710 SONET T est Set User Manual 3–77 Figure 3–27: Editing the User Word Byte Setting Overhead Bytes T o stress test a network, you sometimes need to simulate errors or alarms. Use the controls on the ERRORS & ALARMS page of the TRANSMIT menu to simulate errors or alarms.
Setting SDHSONET T ransmit Parameters 3–78 CTS 710 SONET T est Set User Manual T o edit overhead bytes: 1. Display the transport overhead as follows: Press Menu Button Select Menu Page Highlight Par.
Setting SDHSONET T ransmit Parameters CTS 710 SONET T est Set User Manual 3–79 Z2 byte selected to edit Bytes you can never edit Cannot edit because alarm is set Figure 3–28: Editing the Z2 T rans.
Setting SDHSONET T ransmit Parameters 3–80 CTS 710 SONET T est Set User Manual H Define your own byte with the buttons next to 1 and 0 . Use the left and right arrow buttons to move the cursor from one bit to the next. See Figure 3–29. H When you finish editing the byte, select DONE .
Setting SDHSONET T ransmit Parameters CTS 710 SONET T est Set User Manual 3–81 T able 3–7: Choices for Bits 5, 6, and 7 of the V5 Byte Choice Unequip (000) Equipped (001) Async (010) Bit–Sync (0.
Setting SDHSONET T ransmit Parameters 3–82 CTS 710 SONET T est Set User Manual The bytes that cannot be edited are marked with a line of asterisks on the TRANSPOR T OVERHEAD or P A TH OVERHEAD pages (see Figure 3–28 on page 3–79). In addition, there are bytes you may not be able to edit depending on parameter settings in the CTS 710.
Setting SDHSONET T ransmit Parameters CTS 710 SONET T est Set User Manual 3–83 consisting of ASCII characters (rather than the ones and zeros used to edit the other overhead bytes).
Setting SDHSONET T ransmit Parameters 3–84 CTS 710 SONET T est Set User Manual The string can contain a maximum of 64 characters, including spaces. 3.
Setting SDHSONET T ransmit Parameters CTS 710 SONET T est Set User Manual 3–85 2. T o configure the CTS 710 to add the external data bytes: Press Menu Button Select Menu Page Highlight Parameter Select Choice TRANSMIT TRANSPORT OVERHEAD External Add None D1–D3 D4–D12 F1 H Select None if you do not want to add external data.
Setting SDHSONET T ransmit Parameters 3–86 CTS 710 SONET T est Set User Manual Figure 3–31: Adding Data into the DCC T o add external data into the User Channel: 1. Connect an external protocol analyzer to the CTS 710 using the Overhead Add/Drop Port on the rear panel of the CTS 710.
Setting SDHSONET T ransmit Parameters CTS 710 SONET T est Set User Manual 3–87 Figure 3–32: Adding Data into the User Channel Setting SDHSONET T ransmit Parameters CTS 710 SONET T est Set User Man.
Setting SDHSONET T ransmit Parameters 3–88 CTS 710 SONET T est Set User Manual Setting SDHSONET T ransmit Parameters 3–88 CTS 710 SONET T est Set User Manual.
CTS 710 SONET T est Set User Manual 3–89 Setting T ributary Signal T ransmit Parameters This section describes how to set the transmit rate, transmit clock, line code, framing, and test pattern for a tributary signal.
Setting T ributary SignalPDH T ransmit Parameters 3–90 CTS 710 SONET T est Set User Manual Setting the T ransmit Rate T o set the transmit rate: Press Menu Button Select Menu Page Highlight Parameter Select Choice TRANSMIT TRANSMIT SETTINGS T ransmit Rate (see Figure 3–34) DS1 DS3 H Select DS1 or DS3 to transmit a tributary rate signal.
Setting T ributary SignalPDH T ransmit Parameters CTS 710 SONET T est Set User Manual 3–91 After they are coupled, any change you make to a parameter on the TRANSMIT SETTINGS page will also be made to the correspond- ing setting in the RECEIVE SETTINGS page of the RECEIVE menu.
Setting T ributary SignalPDH T ransmit Parameters 3–92 CTS 710 SONET T est Set User Manual NOTE . When settings ar e coupled from the TRANSMIT SETTINGS page, the r eceive parameters ar e changed to match the transmit parameters.
Setting T ributary SignalPDH T ransmit Parameters CTS 710 SONET T est Set User Manual 3–93 H Select Recover ed to use the clock recovered from an incoming signal. H Select External BITS to use the clock signal from an external BITS reference. Attach the external BITS reference to the BITS connector on the rear panel.
Setting T ributary SignalPDH T ransmit Parameters 3–94 CTS 710 SONET T est Set User Manual H Select AMI to set the line code to Alternate Mark Inversion. H Select B8ZS to set the line code to Binary 8-Zero Substitution. H B3ZS (Binary 3-Zero Substitution) is the only available line code for the DS3 rate.
Setting T ributary SignalPDH T ransmit Parameters CTS 710 SONET T est Set User Manual 3–95 H Select DS1 ESF to transmit a signal with Extended Superframe framing.
Setting T ributary SignalPDH T ransmit Parameters 3–96 CTS 710 SONET T est Set User Manual Specifying the T est Pattern Y ou can select a test pattern to transmit in the tributary signal.
Setting T ributary SignalPDH T ransmit Parameters CTS 710 SONET T est Set User Manual 3–97 If you select User W ord 8 bit/16 bit/24 bit for the test pattern, set the value of the User W ord as follows: 1.
Setting T ributary SignalPDH T ransmit Parameters 3–98 CTS 710 SONET T est Set User Manual Setting T ributary SignalPDH T ransmit Parameters 3–98 CTS 710 SONET T est Set User Manual.
CTS 710 SONET T est Set User Manual 3–99 Setting SONET Receive Parameters This section describes how to manually set the receive line rate, define the STS under test, set the payload mapping and content, check the received optical signal power , and view the overhead bytes.
Setting SONETSDH Receive Parameters 3–100 CTS 710 SONET T est Set User Manual Set Rate Set Level (STS Rates only) Set Signal Structure Specify STS Under T est Set Mapping Set VT Under T est (Mapping = VT1.5 Async only) Set Payload (Mapping= VT1.5 Async, DS3 only) Set T est Pattern Set T ributary Drop (Mapping = VT1.
Setting SONETSDH Receive Parameters CTS 710 SONET T est Set User Manual 3–101 Available SONET Receive Rates Figure 3–38: SONET Receive Rates Independent Receive and T ransmit Settings Generally , you can set the receive and transmit settings independent- ly .
Setting SONETSDH Receive Parameters 3–102 CTS 710 SONET T est Set User Manual RECEIVE SETTINGS page will also be made to the corresponding setting in the TRANSMIT SETTINGS page of the RECEIVE menu.
Setting SONETSDH Receive Parameters CTS 710 SONET T est Set User Manual 3–103 NOTE . When the incoming line rate changes, a valid LOS must occur between the old and new line rates; otherwise, the CTS 710 might lose pattern lock and display an LOS or LOF status.
Setting SONETSDH Receive Parameters 3–104 CTS 710 SONET T est Set User Manual T o specify the structure of a received STS-3, OC-3, or OC-12 signal: Press Menu Button Select Menu Page Highlight Param.
Setting SONETSDH Receive Parameters CTS 710 SONET T est Set User Manual 3–105 T o specify the mapping of the received signal: Press Menu Button Select Menu Page Highlight Parameter Select Choice RECEIVE RECEIVE SETTINGS Mapping Bulk Fill No Mapping (Equipped) Bulk Fill No Mapping (Unequipped) DS3 VT1.
Setting SONETSDH Receive Parameters 3–106 CTS 710 SONET T est Set User Manual NOTE . The CTS 710 will r eport err ors incorr ectly when the r eceive mapping is set to VT 1.5 Async but the r eceived signal does not actually contain any tributary signals.
Setting SONETSDH Receive Parameters CTS 710 SONET T est Set User Manual 3–107 Demultiplexing a DS1 from a DS3 Mapped in a SONET Signal (Add/Drop/T est Option Only) T o demultiplex a DS1 signal from a SONET signal that uses DS3 mapping: 1.
Setting SONETSDH Receive Parameters 3–108 CTS 710 SONET T est Set User Manual 3. Specify the DS1 Framing as follows: Press Menu Button Select Menu Page Highlight Parameter Select Choice Framing DS1 Unframed DS1 SF (D4) DS1 ESF H Select DS1 Unframed to demultiplex an unframed DS1 signal or a DS1 signal whose framing is unknown.
Setting SONETSDH Receive Parameters CTS 710 SONET T est Set User Manual 3–109 5. Specify the received test pattern as follows: Press Menu Button Select Menu Page Highlight Parameter Select Choice T .
Setting SONETSDH Receive Parameters 3–1 10 CTS 710 SONET T est Set User Manual Demapping a T ributary Signal (Add/Drop/T est Option Only) T o demap and test a tributary signal, you set Mapping to the appropriate tributary mapping. NOTE . The CTS 710 cannot demap a tributary signal and transmit a tributary signal at the same time.
Setting SONETSDH Receive Parameters CTS 710 SONET T est Set User Manual 3–1 1 1 H Select VT #1 to specify the first virtual tributary . H Select VT #28 to specify the last virtual tributary . H Select Next to change the selection to the next higher virtual tributary .
Setting SONETSDH Receive Parameters 3–1 12 CTS 710 SONET T est Set User Manual T o turn on T ributary Drop: Press Menu Button Select Menu Page Highlight Parameter Select Choice RECEIVE RECEIVE SETTINGS T ributary Drop Off On AMI On B8ZS H Select On to drop the signal specified on the Payload line.
Setting SONETSDH Receive Parameters CTS 710 SONET T est Set User Manual 3–1 13 Setting the T est Pattern T o specify the test pattern that will be received: 1.
Setting SONETSDH Receive Parameters 3–1 14 CTS 710 SONET T est Set User Manual Unequipped Payload Mapping If you choose Bulk Fill No Mapping (Unequipped) payload mapping, the CTS 710 receiver expects to find the unequipped code in byte C2. The received payload is ignored except for parity checks.
Setting SONETSDH Receive Parameters CTS 710 SONET T est Set User Manual 3–1 15 Figure 3–40: Displaying Received Optical Power Viewing Overhead Bytes This section describes how to use the TRANSPOR T OVERHEAD and P A TH OVERHEAD pages to view overhead bytes.
Setting SONETSDH Receive Parameters 3–1 16 CTS 710 SONET T est Set User Manual 2. Select the columns you wish to display as follows: Press Menu Button Select Menu Page Highlight Parameter Select Choice Showing Overhead for as appropriate Viewing Path Overhead Bytes T o view path overhead bytes: 1.
Setting SONETSDH Receive Parameters CTS 710 SONET T est Set User Manual 3–1 17 Displaying the V5 Byte T o view the V5 byte: Press Menu Button Select Menu Page Highlight Parameter Select Choice RECEIVE PAT H OVERHEAD (see Figure 3–41) Overhead View VT1.
Setting SONETSDH Receive Parameters 3–1 18 CTS 710 SONET T est Set User Manual 2. Configure the CTS 710 to drop the DCC data bytes: Press Menu Button Select Menu Page Highlight Parameter Select Choice RECEIVE TRANSPORT OVERHEAD External Drop (see Figure 3–42) None D1–D3 D4–D12 F1 H Select None if you do not want to drop the DCC bytes.
Setting SONETSDH Receive Parameters CTS 710 SONET T est Set User Manual 3–1 19 T o drop data from the User Channel: 1. Connect an external protocol analyzer to the CTS 710 using the Overhead Add/Drop Port on the rear panel of the CTS 710.
Setting SONETSDH Receive Parameters 3–120 CTS 710 SONET T est Set User Manual Controlling the Display Update T o pause or continue overhead byte updating: Press Menu Button Select Menu Page Highligh.
CTS 710 SONET T est Set User Manual 3–121 Setting T ributary Receive Parameters This section describes how to manually set the receive rate, receive level, framing, and test pattern for tributary signals. Pressing AUTOSCAN sets the receive parameters automatically based on the received signal.
Setting TributaryPDH Receive Parameters 3–122 CTS 710 SONET T est Set User Manual Setting the Receive Rate T o set the receive rate: Press Menu Button Select Menu Page Highlight Parameter Select Cho.
Setting TributaryPDH Receive Parameters CTS 710 SONET T est Set User Manual 3–123 Independent Receive and T ransmit Settings Generally , you can set the receive and transmit settings independent- ly . For example, you can receive an electrical signal at the DS3 rate while simultaneously transmitting an optical signal at the OC-3 rate.
Setting TributaryPDH Receive Parameters 3–124 CTS 710 SONET T est Set User Manual T o change receive and transmit settings so that they are no longer coupled: Press Menu Button Select Menu Page High.
Setting TributaryPDH Receive Parameters CTS 710 SONET T est Set User Manual 3–125 T o specify the framing of a received tributary signal: Press Menu Button Select Menu Page Highlight Parameter Select Choice RECEIVE RECEIVE SETTINGS Framing as appropriate NOTE .
Setting TributaryPDH Receive Parameters 3–126 CTS 710 SONET T est Set User Manual H Select 1 in 8 to set the test pattern to 1000 0000. H Select User W ord 8 bit , User W ord 16 bit , or User W ord 24 bit to set a test pattern different from the preset choices.
Setting TributaryPDH Receive Parameters CTS 710 SONET T est Set User Manual 3–127 Demultiplexing a DS1 from a DS3 Signal T o demultiplex a DS1 signal from a DS3 signal: 1.
Setting TributaryPDH Receive Parameters 3–128 CTS 710 SONET T est Set User Manual 3. Specify the DS1 Framing as follows: Press Menu Button Select Menu Page Highlight Parameter Select Choice Framing DS1 Unframed DS1 SF (D4) DS1 ESF H Select DS1 Unframed to demultiplex an unframed DS1 signal or a DS1 signal whose framing is unknown.
Setting TributaryPDH Receive Parameters CTS 710 SONET T est Set User Manual 3–129 4. Specify the received test pattern as follows: Press Menu Button Select Menu Page Highlight Parameter Select Choic.
Setting TributaryPDH Receive Parameters 3–130 CTS 710 SONET T est Set User Manual Setting TributaryPDH Receive Parameters 3–130 CTS 710 SONET T est Set User Manual.
CTS 710 SONET T est Set User Manual 3–131 Setting Alarms and Inserting Errors This section describes how to simulate error conditions, set alarms, and simulate network failures. T o test the response of a network, you might need to simulate parity errors, send alarm signals, and simulate network failures.
Setting Alarms and Inserting Errors 3–132 CTS 710 SONET T est Set User Manual Specifying the Error to Insert Specify the type of error transmitted as follows: Press Menu Button Select Menu Page High.
Setting Alarms and Inserting Errors CTS 710 SONET T est Set User Manual 3–133 Inserting Errors Y ou can choose to insert errors manually (one at a time) or you can have errors inserted automatically at a rate you specify . T o insert a single error , press the INSER T ERROR button.
Setting Alarms and Inserting Errors 3–134 CTS 710 SONET T est Set User Manual T able 3–1 1: Maximum Error Rates for SONET Signals Error T ype Rate: Structure Section B1 BIP Line B2 BIP Path B3 BIP.
Setting Alarms and Inserting Errors CTS 710 SONET T est Set User Manual 3–135 NOTE . The CTS 710 can measur e all the error rates it can transmit except for DS3 Parity wher e the maximum measur ed err or rate is 5e-5. 2. Select USER DEFINED to specify an error rate different from the preset choices.
Setting Alarms and Inserting Errors 3–136 CTS 710 SONET T est Set User Manual T o transmit an alarm: Press Menu Button Select Menu Page Highlight Parameter Select Choice TRANSMIT ERRORS & ALARMS.
Setting Alarms and Inserting Errors CTS 710 SONET T est Set User Manual 3–137 H Select VT FERF to transmit a VT FERF alarm. H Select DSn Y ellow to transmit a DSn Y ellow alarm. H Select DSn AIS to transmit a DSn AIS alarm. H Select DS3 Idle to transmit a DS3 Idle alarm.
Setting Alarms and Inserting Errors 3–138 CTS 710 SONET T est Set User Manual Simulating T ransmit Failures The CTS 710 can simulate transmit failure conditions to test the response of the network.
Setting Alarms and Inserting Errors CTS 710 SONET T est Set User Manual 3–139 All transmit failures remain in effect until they are deliberately turned off. Setting Alarms and Inserting Errors CTS 710 SONET T est Set User Manual 3–139 All transmit failures remain in effect until they are deliberately turned off.
Setting Alarms and Inserting Errors 3–140 CTS 710 SONET T est Set User Manual Setting Alarms and Inserting Errors 3–140 CTS 710 SONET T est Set User Manual.
CTS 710 SONET T est Set User Manual 3–141 Setting Pointers and Changing T iming This section describes how to generate pointer movements within the transmitted signal. When stress testing a network, you may want to move pointers or introduce a frequency offset.
Setting Pointers and Changing T iming 3–142 CTS 710 SONET T est Set User Manual 2. Specify the pointer type as follows: Press Menu Button Select Menu Page Highlight Parameter Select Choice TRANSMIT .
Setting Pointers and Changing T iming CTS 710 SONET T est Set User Manual 3–143 by one location. The first press increments the pointer , the second press decrements it, the third press increments it, and so forth. Burst Pointer Movements. W ith Burst selected, pressing the front-panel POINTER ACTION button starts a burst of pointer movement.
Setting Pointers and Changing T iming 3–144 CTS 710 SONET T est Set User Manual 500 m s, Nominal Increment Next T wo Presses of POINTER ACTION F i r st Pr ess o f POINTER ACTION Example Burst of Four Pointer Movements Decrement Figure 3–49: Alternating Burst Pointer Movement Setting Pointer to a Specific V alue.
Setting Pointers and Changing T iming CTS 710 SONET T est Set User Manual 3–145 H Select Max 782 to set the pointer to location 782 (points to the byte immediately preceding the H1 transport overhead byte of the next frame). If you choose this setting, the pointer is moved immediately; you do not need to press POINTER ACTION.
Setting Pointers and Changing T iming 3–146 CTS 710 SONET T est Set User Manual H Select Min 0 to set the pointer to location zero. If you choose this setting, the pointer is moved immediately; you do not need to press POINTER ACTION. H Select Max 103 to set the pointer to location 103.
Setting Pointers and Changing T iming CTS 710 SONET T est Set User Manual 3–147 Continuous Pointer Movement T o make repetitive pointer movements: 1.
Setting Pointers and Changing T iming 3–148 CTS 710 SONET T est Set User Manual 3. Specify the pointer movement direction as follows: Press Menu Button Select Menu Page Highlight Parameter Select Choice Pointer Direction Increment Decrement Alternate H Selecting Incr ement causes the pointer to increment at the set rate.
Setting Pointers and Changing T iming CTS 710 SONET T est Set User Manual 3–149 Figure 3–50: Incrementing Pointer Location Once Every T wo Millisec- onds Changing Timing As an alternative to setting pointer movements directly , you can introduce a frequency offset in the internally-generated SPE, the transmit line rate, or both together .
Setting Pointers and Changing T iming 3–150 CTS 710 SONET T est Set User Manual 2. Specify the Offset Mode as follows: Press Menu Button Select Menu Page Highlight Parameter Select Choice Offset Mode Line Payload H Select Line to change the transmit line rate.
Setting Pointers and Changing T iming CTS 710 SONET T est Set User Manual 3–151 Selecting USER DEFINED places the CTS 710 in Edit Mode. The knob is assigned to change the value of the frequency offset. H Coarse changes the frequency offset by 10.0 ppm.
Setting Pointers and Changing T iming 3–152 CTS 710 SONET T est Set User Manual Added or Cancelled Pointer Positions Repeating Pattern Time 30 s Initialization Cool Down Sequence Period .
Setting Pointers and Changing T iming CTS 710 SONET T est Set User Manual 3–153 Pointer Adjustment Start of Next 87–3 Pattern 87–3 Pattern . . . 87 No Pointer Adjustment 3 Figure 3–53: An Example of a Pointer Sequence T able 3–13: Pointer Sequences Generated Pointer Sequence Description Single Time between pointer adjustments is 30 s.
Setting Pointers and Changing T iming 3–154 CTS 710 SONET T est Set User Manual T able 3–13: Pointer Sequences Generated (Cont.) Pointer Sequence Description Periodic Continuous with Add Time between added pointer movement and previous normal pointer movement for STS pointers is 0.
Setting Pointers and Changing T iming CTS 710 SONET T est Set User Manual 3–155 T able 3–13: Pointer Sequences Generated (Cont.) Pointer Sequence Description Periodic 26–1 With Cancel Sequence pattern is 26 pointer movements followed by 1 missing pointer movement with a cancelled pointer movement at the 26th pointer , yielding a gap of 2.
Setting Pointers and Changing T iming 3–156 CTS 710 SONET T est Set User Manual T able 3–14: A vailability of Pointer Sequences (Cont.) Pointer Sequence Mapping Pointer Sequence VT1.
Setting Pointers and Changing T iming CTS 710 SONET T est Set User Manual 3–157 2. Specify the pointer type as follows: Press Menu Button Select Menu Page Highlight Parameter Select Choice Pointer T ype STS Pointer VT Pointer 3.
Setting Pointers and Changing T iming 3–158 CTS 710 SONET T est Set User Manual 5. If Sequence T ype is set to one of the continuous patterns, set the pointer rate as follows: Press Menu Button Sele.
Setting Pointers and Changing T iming CTS 710 SONET T est Set User Manual 3–159 7. Specify whether Cool Down T ime is included as part of the pointer sequence as follows: Press Menu Button Select Menu Page Highlight Parameter Select Choice Cool Down Time On Off NOTE .
Setting Pointers and Changing T iming 3–160 CTS 710 SONET T est Set User Manual Figure 3–54: Status Display While Pointer Sequences are Running T able 3–15: Status Lines for Pointer Sequences St.
CTS 710 SONET T est Set User Manual 3–161 T esting Automatic Protection Switching This section describes how to generate Automatic Protection Switching (APS) commands and view the network response. APS commands are located in the K1 and K2 bytes of the transport overhead.
T esting Automatic Protection Switching 3–162 CTS 710 SONET T est Set User Manual Figure 3–55: The APS COMMANDS Page Setting the K1 Byte There are two ways to edit the bits of the K1 byte. The first way is to set the value of each bit of the byte, one bit at a time.
T esting Automatic Protection Switching CTS 710 SONET T est Set User Manual 3–163 H Select EDIT BYTE to set the byte to a pattern different than the preset choices.
T esting Automatic Protection Switching 3–164 CTS 710 SONET T est Set User Manual T able 3–16: Choices for Bits 1–4 of the K1 Byte When Mode is Set to Ring (Cont.
T esting Automatic Protection Switching CTS 710 SONET T est Set User Manual 3–165 T able 3–17: Choices for Bits 1–4 of the K1 Byte When Mode is Set to Span (Cont.
T esting Automatic Protection Switching 3–166 CTS 710 SONET T est Set User Manual See T able 3–18 for descriptions of the preset choices. T able 3–18: Choices for Bits 5–8 of the K1 Byte Main .
T esting Automatic Protection Switching CTS 710 SONET T est Set User Manual 3–167 T o set the bit pattern of the K2 byte one bit at a time: Press Menu Button Select Menu Page Highlight Parameter Sel.
T esting Automatic Protection Switching 3–168 CTS 710 SONET T est Set User Manual See T able 3–19 for descriptions of the preset choices. T able 3–19: Choices for Bits 1–4 of the K2 Byte Main .
T esting Automatic Protection Switching CTS 710 SONET T est Set User Manual 3–169 The label for Bit 5, of the K2 byte, is Architecture when the mode is set to Span.
T esting Automatic Protection Switching 3–170 CTS 710 SONET T est Set User Manual The label for Bits 6–8, of the K2 byte, is Status whether the mode is set to Ring or Span.
T esting Automatic Protection Switching CTS 710 SONET T est Set User Manual 3–171 NOTE . Y ou can edit the transmitted K1 and K2 bytes dir ectly fr om the TRANSPORT OVERHEAD page.
T esting Automatic Protection Switching 3–172 CTS 710 SONET T est Set User Manual Viewing the Network Response to APS Commands T o view the network response to APS commands: Press Menu Button Select.
CTS 710 SONET T est Set User Manual 3–173 V iewing Results This section describes how to view , save, recall, and print test results. Y ou can look at test results while a test is running or after it has completed. The CTS 710 SONET T est Set can display test results as a summary or in a more detailed tabular form.
V iewing Results 3–174 CTS 710 SONET T est Set User Manual Figure 3–57: The T est Summary Page Viewing Detailed Results Y ou can view results either as a summary or as a history . The summary format displays test results in a table. The history format displays test results in a graphical format.
V iewing Results CTS 710 SONET T est Set User Manual 3–175 Displaying an Overview of T est Results T o display an overview of test results: Press Menu Button Select Menu Page Highlight Parameter Sel.
V iewing Results 3–176 CTS 710 SONET T est Set User Manual T able 3–23: Results Displayed on MAIN RESUL TS Page (Cont.) Category Error Displayed Loss of Frame Seconds Out of Frame Seconds (SEFS) L.
V iewing Results CTS 710 SONET T est Set User Manual 3–177 The Errors category of the MAIN RESUL TS page displays results in three ways. The first way displays the count for each type of error . The second way displays the error ratio for each error .
V iewing Results 3–178 CTS 710 SONET T est Set User Manual T able 3–24: T1M1 Section Analysis Results Displayed on the ERROR ANAL YSIS Page Category T ype Analysis Result Section Section Analysis .
V iewing Results CTS 710 SONET T est Set User Manual 3–179 T able 3–26: T1M1 Path Analysis Results Displayed on the ERROR ANAL YSIS Page Category T ype Analysis Result Path Path Analysis (B3 BIP) .
V iewing Results 3–180 CTS 710 SONET T est Set User Manual T able 3–27: T1M1 VT1.5 Analysis Results Displayed on the ERROR ANAL YSIS Page (Cont.) Category Analysis Result T ype VT 1.
V iewing Results CTS 710 SONET T est Set User Manual 3–181 T able 3–29: DS1 Path Analysis Results Displayed on ERROR ANAL YSIS Page Category T ype Analysis Result DS1 Path DS1 Analysis (Frame Bit).
V iewing Results 3–182 CTS 710 SONET T est Set User Manual of a graph depends on what is displayed, but the horizontal axis always displays time. T o display a history graph: Press Menu Button Selec.
V iewing Results CTS 710 SONET T est Set User Manual 3–183 T able 3–31: Measurements Displayed as Bar Graphs Measurement Section B1 Error Counts Section B1 Errored Secs Line B2 Error Counts Line B.
V iewing Results 3–184 CTS 710 SONET T est Set User Manual Figure 3–59: Line Graph Showing Pointer V alue T able 3–32: Measurements Displayed as a Line Graph Displayed V alue STS Pointer V alue VT Pointer V alue On/Off Graphs. On/of f graphs indicate whether alarms and failures were on or off (see Figure 3–60).
V iewing Results CTS 710 SONET T est Set User Manual 3–185 Figure 3–60: On/Off Graphs Showing Failures and Alarms T able 3–33: Measurements Displayed as On/Off Graphs for SONET Rates Graph T ype.
V iewing Results 3–186 CTS 710 SONET T est Set User Manual T able 3–33: Measurements Displayed as On/Off Graphs for SONET Rates (Cont.) Graph T ype Displayed V alue VT AIS VT FERF Pattern T able 3.
V iewing Results CTS 710 SONET T est Set User Manual 3–187 Power Out Indicator If the power to the CTS 710 fails while a test is running, the CTS 710 displays the words “POWEROUT” on the history graph. POWEROUT is displayed vertically on the graph and spans the period of time the CTS 710 was without power .
V iewing Results 3–188 CTS 710 SONET T est Set User Manual Cursor position Graph name Cursor Measurement results at cursor position Cross-hatch means the test was not running during this time Histor.
V iewing Results CTS 710 SONET T est Set User Manual 3–189 T able 3–35: Time Represented by Bars on History Graph (Cont.) History Resolution = Normal (1 min samples) History Resolution = Low (15 min samples) 15 minutes 4 hours 60 minutes 12 hours There are 56 intervals of a history graph displayed on the screen at a time.
V iewing Results 3–190 CTS 710 SONET T est Set User Manual Panning History Graphs Y ou can display different portions of a history graph by panning the graph.
V iewing Results CTS 710 SONET T est Set User Manual 3–191 H Select Change Bottom to select a different graph for display on the bottom half of the screen.
V iewing Results 3–192 CTS 710 SONET T est Set User Manual Saving and Recalling Results Y ou can save test results to disk and recall the test results for later display and analysis. The CTS 710 automatically saves the results of the last two tests in memory .
V iewing Results CTS 710 SONET T est Set User Manual 3–193 H Select EDIT NAME to enter a name other than RESL T_XX for the pass/fail test. Select DONE when you are finished editing the test name.
V iewing Results 3–194 CTS 710 SONET T est Set User Manual 3. Save the test results to disk as follows: Press Menu Button Select Menu Page Highlight Parameter Select Choice RESUL TS SA VE RESUL TS S.
V iewing Results CTS 710 SONET T est Set User Manual 3–195 the page. The Results Source line will display the name of the file recalled. Figure 3–64: The RECALL RESUL TS Page Deleting T est Results from Disk T o delete test results from disk: 1. Insert the disk containing the test results into the disk drive.
V iewing Results 3–196 CTS 710 SONET T est Set User Manual Recalling T est Results from Memory T o recall test results from memory: Press Menu Button Select Menu Page Highlight Parameter Select Choi.
V iewing Results CTS 710 SONET T est Set User Manual 3–197 T o print the results of the current test: Press Menu Button Select Menu Page Highlight Parameter Select Choice PRINT (see Figure 3–65) P.
V iewing Results 3–198 CTS 710 SONET T est Set User Manual T o print the results of a test saved on disk, recall the results (see page 3–194) and then print as previously described. T o print the results of the previous test, recall the previous test (see page 3–196) and then print as previously described.
CTS 710 SONET T est Set User Manual 3–199 Changing Instrument Settings This section describes how to change the date and time settings, printer settings, and the GPIB and RS-232 parameters. This section describes how to display a screen that details the CTS 710 configura- tion.
Changing Instrument Settings 3–200 CTS 710 SONET T est Set User Manual T able 3–36: Lines of the Instrument Configuration Page (Cont.) Line Description Interface Module Displays which interface module is installed (supported transmit and receive rates) and wavelength of module, if optical.
Changing Instrument Settings CTS 710 SONET T est Set User Manual 3–201 Figure 3–66: The MISC SETTINGS Page T urning the Beeper On and Off The CTS 710 has a beeper . The beeper is used alert you when a pass/fail test has completed, or when certain conditions occur .
Changing Instrument Settings 3–202 CTS 710 SONET T est Set User Manual Setting the Date The date is used when writing files to disk, it is used to track measurement history , and it is used when displaying history graphs.
Changing Instrument Settings CTS 710 SONET T est Set User Manual 3–203 NOTE . While you set the time in Edit Mode, the clock stops running. 2. Assign the knob by selecting Hour , Minute , or Second as necessary . 3. T urn the knob to change the setting.
Changing Instrument Settings 3–204 CTS 710 SONET T est Set User Manual you can specify two lines of text to be included on any printout. The two lines of text identify the user name and the company name.
Changing Instrument Settings CTS 710 SONET T est Set User Manual 3–205 T o set the RS-232 parameters for the printer: Press Menu Button Select Menu Page Highlight Parameter Select Choice UTILITY PRI.
Changing Instrument Settings 3–206 CTS 710 SONET T est Set User Manual Setting the Print User & Company T ext Y ou can have the CTS 710 include text on a printout that identifies the user name and company name.
Changing Instrument Settings CTS 710 SONET T est Set User Manual 3–207 Setting the GPIB Address T o set the CTS 710 GPIB address: Press Menu Button Select Menu Page Highlight Parameter Select Choice.
Changing Instrument Settings 3–208 CTS 710 SONET T est Set User Manual Figure 3–68: The REMOTE CONTROL Page Setting RS-232 Parameters The appropriate settings for RS-232 parameters depend on how the controller is set up. Refer to the user manual that came with your controller to determine the correct settings.
Changing Instrument Settings CTS 710 SONET T est Set User Manual 3–209 T o set the remote control RS-232 parameters: Press Menu Button Select Menu Page Highlight Parameter Select Choice UTILITY REMO.
Changing Instrument Settings 3–210 CTS 710 SONET T est Set User Manual Press Menu Button Select Choice Highlight Parameter Select Menu Page Tx T erminator LF CR CR/LF LF/CR H For Tx Delay , select one of the preset choices or use Inc and Dec to specify a value different from the preset choices.
Changing Instrument Settings CTS 710 SONET T est Set User Manual 3–21 1 Running the Power Up Self T est T o run the power up self test: Press Menu Button Select Menu Page Highlight Parameter Select .
Changing Instrument Settings 3–212 CTS 710 SONET T est Set User Manual Changing Instrument Settings 3–212 CTS 710 SONET T est Set User Manual.
Appendices Appendices.
.
CTS 710 SONET T est Set User Manual A–1 Appendix A: Menu Maps T est Duration History Resolution T ES T C ONTROL P age 5 min 15 min 1 hour Continuous USER DEFINED Normal (1 min) Low (15 min) Memory 0. DEF AUL T 1. Named when saved 2. Named when saved 3.
Menu Maps A–2 CTS 710 SONET T est Set User Manual Disk Choices depend on disk content R EC ALL P A SS/F A I L T ES T S P age Recall & Run T est Delete File Name Description Save to Memory Save T.
Menu Maps CTS 710 SONET T est Set User Manual A–3 Name Description Operator Start Prompt T est Duration Fail If Operator End Prompt On T est Completion Save to Disk SA VE P ASS/F AIL TESTS Page TEST.
Menu Maps A–4 CTS 710 SONET T est Set User Manual (Structure= 3 x STS-1) 1 2 3 (Rate=STS-3/ OC-3 ) 3 x STS-1 1 x STS-3c Transmit Rate Transmit Clock Transmit Level Signal Structure STS Under T est M.
Menu Maps CTS 710 SONET T est Set User Manual A–5 (Mapping=VT1.5 Async) PRBS 2^23–1 PRBS 2^20–1 PRBS 2^15–1 QRSS 2^20–1 All Ones All Zeros 1 in 8 3 in 24 User Word 8 bit User Word 16 bit User Word 24 bit (Mapping=VT1.
Menu Maps A–6 CTS 710 SONET T est Set User Manual Error T ype set to Error Rate set to Transmit Alarm set to Transmit Failure set to ERRORS & ALARMS Page (1 of 4) (Mapping=DS3) None Section B1 Line B2 Path B3 Path FEBE Pattern Bit (Mapping= No Mapping) Section B1 Line B2 Path B3 Path FEBE Pattern Bit (Mapping= VT1.
Menu Maps CTS 710 SONET T est Set User Manual A–7 Error T ype set to Error Rate set to Transmit Alarm set to Transmit Failure set to ERRORS & ALARMS Page (2 of 4) None 1e–3 1e–4 1e–5 1e–.
Menu Maps A–8 CTS 710 SONET T est Set User Manual Error T ype set to Error Rate set to Transmit Alarm set to Transmit Failure set to ERRORS & ALARMS Page (3 of 4) (Mapping=DS3) None Line AIS Line FERF Path AIS Path FERF (Mapping= No Mapping) None Line AIS Line FERF Path AIS Path FERF (Mapping= VT1.
Menu Maps CTS 710 SONET T est Set User Manual A–9 Error T ype set to Error Rate set to Transmit Alarm set to Transmit Failure set to ERRORS & ALARMS Page (4 of 4) (Mapping=DS3) None LOS LOF STS LOP (Mapping= No Mapping) None LOS LOF STS LOP (Mapping= VT1.
Menu Maps A–10 CTS 710 SONET T est Set User Manual Pointer/T iming Mode Offset Mode Frequency Offset Pointer T ype Sequence T ype Pointer Control Pointer V alue Set to Set with New Data Flag Pointer.
Menu Maps CTS 710 SONET T est Set User Manual A–1 1 Pointer/T iming Mode Offset Mode Frequency Offset Pointer T ype Sequence T ype Pointer Control Pointer V alue Set to Set with New Data Flag Pointe.
Menu Maps A–12 CTS 710 SONET T est Set User Manual Pointer/T iming Mode Offset Mode Frequency Offset Pointer T ype Sequence T ype Pointer Control Pointer V alue Set to Set with New Data Flag Pointer.
Menu Maps CTS 710 SONET T est Set User Manual A–13 APS Mode K1 Full Byte Bits 1–4: Bits 5–8: K2 Full Byte Bits 1–4: Bit 5: Bits 6–8: Transmit Setup A PS C O MM AND S P age (1 of 3 ) Span Rin.
Menu Maps A–14 CTS 710 SONET T est Set User Manual APS Mode K1 Full Byte Bits 1–4: Bits 5–8: K2 Full Byte Bits 1–4: Bit 5: Bits 6–8: Transmit Setup APS COMMANDS Page (2 of 3) #0 (0000) #1 (0.
Menu Maps CTS 710 SONET T est Set User Manual A–15 APS Mode K1 Full Byte Bits 1–4: Bits 5–8: K2 Full Byte Bits 1–4: Bit 5: Bits 6–8: Transmit Setup APS COMMANDS Page (3 of 3) (APS Mode=Span).
Menu Maps A–16 CTS 710 SONET T est Set User Manual Reset Overhead Set to 10101010 Set to 11111111 Default xxxxxxxx EDIT BYTE Showing Overhead for External Add TRAN SP ORT O VE RH E AD P age None D1.
Menu Maps CTS 710 SONET T est Set User Manual A–17 Overhead View External Add (Overhead View= STS Path Overhead) J1 C2 F2 Z3 Z4 Z5 (Overhead View= V5 Byte) V5 P AT H O VE RH E AD P age STS Path Over.
Menu Maps A–18 CTS 710 SONET T est Set User Manual (Rate= STS-1/STS-3) Cross Connect Low (Rate= DS3) Normal Monitor (Rate= DS1) Normal Monitor Bridge Receive Rate Receive Level Signal Structure STS .
Menu Maps CTS 710 SONET T est Set User Manual A–19 (Mapping= No Mapping) PRBS 2^23–1 PRBS 2^20–1 PRBS 2^15–1 PRBS 2^09–1 All Ones All Zeros User Word Unknown (Mapping=VT1.
Menu Maps A–20 CTS 710 SONET T est Set User Manual Expected Receive Rate Received Optical Power Received Peak V oltage SIGNAL ST A TUS Page A1 A2 C1 B1 E1 F1 D1 D2 D3 H1 H2 H3 B2 K1 K2 D4 D5 D6 D7 D.
Menu Maps CTS 710 SONET T est Set User Manual A–21 Overhead View External Drop Pause Control (Overhead View= STS Path Overhead) J1 B3 C2 G1 F2 H4 Z3 Z4 Z5 (Overhead View= V5 Byte) V5 View Only STS P.
Menu Maps A–22 CTS 710 SONET T est Set User Manual Errors Failures Alarms Pointers MAIN RESUL TS Page Section Analysis Line Analysis Path Analysis VT1.
Menu Maps CTS 710 SONET T est Set User Manual A–23 Zoom In Zoom Out Show Next T op Change To p Change Bottom H IS TORY GRA P H S P age (History Resolution= Normal (1 min)) 1 mins/bar 5 mins/bar 15 m.
Menu Maps A–24 CTS 710 SONET T est Set User Manual Name Description Save T o Disk S A VE R ES UL T S P age RESL T_XX Clear EDIT NAME None Clear EDIT TEXT Save Current Save Previous Memory Current Pr.
Menu Maps CTS 710 SONET T est Set User Manual A–25 Printer T ype RS–232 Baud Rate Stop Bits Parity Flow Control Printer User & Company User Name Company Name PRINTER SETUP Page 1200 2400 4800 .
Menu Maps A–26 CTS 710 SONET T est Set User Manual GPIB Primary Address RS–232 Baud Rate Stop Bits Parity Hardware Handshake Software Handshake Data Carrier Detect Tx Delay (Seconds) Tx T erminato.
Menu Maps CTS 710 SONET T est Set User Manual A–27 Model: Serial Number: Hardware Revision: Option Revision: Firmware Revision: Options: Interface Module: DS1/DS3 Option: INSTR CONFIG Page Displayed.
Menu Maps A–28 CTS 710 SONET T est Set User Manual Menu Maps A–28 CTS 710 SONET T est Set User Manual.
CTS 710 SONET T est Set User Manual B–1 Appendix B: Status and Error Messages This appendix describes the status and error messages that appear on the CTS 710 display . Status messages are statements about actions the CTS 710 has completed. Status messages appear during normal operation.
Appendix B: Status and Error Messages B–2 CTS 710 SONET T est Set User Manual Instrument factory reset complete. The recall of default factory settings, from the RECALL INSTRUMENT SETUPS page, was completed successfully . Instrument returned to previous setup.
Appendix B: Status and Error Messages CTS 710 SONET T est Set User Manual B–3 Save of measurement results/histories complete. The CTS 710 has successfully saved test results to disk. Save of pass/fail test complete. The CTS 710 has successfully saved the pass/fail test to disk.
Appendix B: Status and Error Messages B–4 CTS 710 SONET T est Set User Manual Can not insert tributary error/alarm while adding external signal. An attempt was made to insert a tributary error or alarm while adding an external signal. Could not create disk file.
Appendix B: Status and Error Messages CTS 710 SONET T est Set User Manual B–5 Disk is full. Y ou tried to save a file to disk and there is not enough room on the disk for the file. Insert a disk with space available and save the file again. Disk not present in drive.
Appendix B: Status and Error Messages B–6 CTS 710 SONET T est Set User Manual entered for the file to be saved to disk; that is, there is no default file name. Filename not found. This message appears if the disk was swapped after the directory was read and you attempted to recall a file.
Appendix B: Status and Error Messages CTS 710 SONET T est Set User Manual B–7 Invalid history data format in file. Y ou recalled a file that does not contain data in the correct format.
Appendix B: Status and Error Messages B–8 CTS 710 SONET T est Set User Manual Operation invalid while a test is running. Y ou tried to perform an action that cannot be completed while a test is running. For example, this message would appear if you attempted to recall instrument settings while a test is running.
CTS 710 SONET T est Set User Manual C–1 Appendix C: Default Factory Settings T able C–1 lists the instrument settings after Default Factory Settings have been recalled.
Appendix C: Default Factory Settings C–2 CTS 710 SONET T est Set User Manual T able C–1: Default Factory Settings (Cont.) Parameter Default V alue Receive STS Under T est 1 Receive Mapping No Mapp.
CTS 710 SONET T est Set User Manual D–1 Appendix D: Specifications T able D–1: Standard CTS 710 Specifications Characteristic Description Generator Output Electrical Output Data Rates STS-1: 51.84 Mb/s STS-3: 155.52 Mb/s Data Formats STS-1: AMI, B3ZS STS-3/STS-3c: CMI Signal Level at T ransmit Output STS-1 Hi: ± 1.
Appendix D: Specifications D–2 CTS 710 SONET T est Set User Manual T able D–1: Standard CTS 710 Specifications (Cont.) Characteristic Description Spectral Width ≤ 4 nm, 1310 nm (Opt. 03, 04, 06) ≤ 1 nm, 1550 nm (Opt. 05, 06) Laser Classification Class 1 laser , complies with 21 CFR 1040.
Appendix D: Specifications CTS 710 SONET T est Set User Manual D–3 T able D–1: Standard CTS 710 Specifications (Cont.) Characteristic Description Accuracy ± 4.
Appendix D: Specifications D–4 CTS 710 SONET T est Set User Manual T able D–1: Standard CTS 710 Specifications (Cont.) Characteristic Description Return Loss >15 dB Connector Unbalanced, 75 W BNC Optical Input Data Rates OC-1: 51.84 Mb/s ( ± 100 ppm) OC-3: 155.
Appendix D: Specifications CTS 710 SONET T est Set User Manual D–5 T able D–1: Standard CTS 710 Specifications (Cont.) Characteristic Description Path Overhead Access Set Path Overhead bytes to an.
Appendix D: Specifications D–6 CTS 710 SONET T est Set User Manual T able D–1: Standard CTS 710 Specifications (Cont.) Characteristic Description Phase transient pointer adjustment burst Time between 7 pointers is 0.25 s, 0.25 s, 0.5 s, 0.5 s, 0.5 s, 0.
Appendix D: Specifications CTS 710 SONET T est Set User Manual D–7 T able D–1: Standard CTS 710 Specifications (Cont.) Characteristic Description Pattern Bit Seconds and % of total time Error-Coun.
Appendix D: Specifications D–8 CTS 710 SONET T est Set User Manual T able D–1: Standard CTS 710 Specifications (Cont.) Characteristic Description AutoScan AutoScan to incoming signal (rate, mapping, framing, and pattern). Identifies incoming signal and presents graphical display of SPE and VT structure.
Appendix D: Specifications CTS 710 SONET T est Set User Manual D–9 T able D–1: Standard CTS 710 Specifications (Cont.) Characteristic Description Help Mode Online task-oriented help Display 7 inch.
Appendix D: Specifications D–10 CTS 710 SONET T est Set User Manual T able D–2: Option 22 DS1/DS3/VT1.5 Capabilities Characteristic Description DS1/DS3 Generator Electrical Output Data Rates DS1 (1.544 Mb/s) DS3 (44.736 Mb/s) Formats DS1: AMI, B8ZS coded DS3: B3ZS coded Signal Level DS1: 3 V peak ± 0.
Appendix D: Specifications CTS 710 SONET T est Set User Manual D–1 1 T able D–2: Option 22 DS1/DS3/VT1.5 Capabilities (Cont.) Characteristic Description Error Rate Range 1 × 10 –2 to 1 × 10 –8 with 0.1 resolution 1 Alarms and Failures DS1: Y ellow AIS DS3: Y ellow AIS (DS3 blue) Idle VT1.
Appendix D: Specifications D–12 CTS 710 SONET T est Set User Manual T able D–2: Option 22 DS1/DS3/VT1.5 Capabilities (Cont.) Characteristic Description External Clock Reference Rates 1.
Appendix D: Specifications CTS 710 SONET T est Set User Manual D–13 T able D–2: Option 22 DS1/DS3/VT1.5 Capabilities (Cont.) Characteristic Description DS1/DS3 Internal Pattern Receiver Pattern Receiver Source DS1: Rx Signal (ext) VT1.
Appendix D: Specifications D–14 CTS 710 SONET T est Set User Manual T able D–2: Option 22 DS1/DS3/VT1.5 Capabilities (Cont.) Characteristic Description VT Pointer Movement VT1.
Appendix D: Specifications CTS 710 SONET T est Set User Manual D–15 T able D–2: Option 22 DS1/DS3/VT1.5 Capabilities (Cont.) Characteristic Description Periodic pointer adjustment – continuous p.
Appendix D: Specifications D–16 CTS 710 SONET T est Set User Manual T able D–2: Option 22 DS1/DS3/VT1.5 Capabilities (Cont.) Characteristic Description VT1.5 Pointer Measurements Seconds: Count: LOP Illegal pointers Illegal pointers Positive justifications NDF Negative justifications T1M1.
Appendix D: Specifications CTS 710 SONET T est Set User Manual D–17 T able D–2: Option 22 DS1/DS3/VT1.5 Capabilities (Cont.) Characteristic Description Histogram Display Resolution 1 min, 5 min, 1.
Appendix D: Specifications D–18 CTS 710 SONET T est Set User Manual T able D–4: Physical Characteristics Characteristic Description Dimensions Height: 165 mm (6.5 in) 191 mm (7.5 in) with accessory pouch Width: 362 mm (14.25 in) Depth: 490 mm (19.
Appendix D: Specifications CTS 710 SONET T est Set User Manual D–19 T able D–5: Certifications and compliances (cont.) Characteristic Description EC Declaration of Conformity – Low V oltage Comp.
Appendix D: Specifications D–20 CTS 710 SONET T est Set User Manual T able D–5: Certifications and compliances (cont.) Characteristic Description Installation Category Descriptions T erminals on this product may have different installation category designations.
CTS 710 SONET T est Set User Manual E–1 Appendix E: Incoming Inspection T est The purpose of the incoming inspection test is to verify that the CTS 710 SONET T est Set is functioning properly . The incoming inspection test relies on the front panel status lights to indicate the results of the test.
Appendix E: Incoming Inspection T est E–2 CTS 710 SONET T est Set User Manual T able E–1: Required Equipment Item Number and Description Minimum Requirements Example Purpose 1 Optical Fiber Cable 1 62.
Appendix E: Incoming Inspection T est CTS 710 SONET T est Set User Manual E–3 How to Proceed If the CTS 710 fails any of these tests, it has failed the incoming inspection test. Double check the electrical and optical connections and repeat any failed test.
Appendix E: Incoming Inspection T est E–4 CTS 710 SONET T est Set User Manual 2. Set up and execute the system self test with the following sequence: Press Menu Button Select Menu Page Highlight Par.
Appendix E: Incoming Inspection T est CTS 710 SONET T est Set User Manual E–5 2. Perform the initial setup of the CTS 710 with the following sequence: Press Menu Button Select Menu Page Highlight Pa.
Appendix E: Incoming Inspection T est E–6 CTS 710 SONET T est Set User Manual 7. T o check the OC-3 rate, perform the setup sequence: Press Menu Button Select Menu Page Highlight Parameter Select Choice TRANSMIT TRANSMIT SETTINGS T ransmit Rate OC-3 8.
Appendix E: Incoming Inspection T est CTS 710 SONET T est Set User Manual E–7 1. Attach electrical and optical loop-back cables from the OUT outputs to the IN inputs.
Appendix E: Incoming Inspection T est E–8 CTS 710 SONET T est Set User Manual Appendix E: Incoming Inspection T est E–8 CTS 710 SONET T est Set User Manual.
CTS 710 SONET T est Set User Manual F–1 Appendix F: Example Disk Contents This manual ships with a disk containing files that you can load into your CTS 710. The files are examples of instrument setups, test results and pass/fail tests. The files contained on the disk are described in the following paragraphs.
Appendix F: Example Disk Contents F–2 CTS 710 SONET T est Set User Manual The BER_STS1 file is a 15-minute BER test. The test passes if the BER is better than 10E–7.
CTS 710 SONET T est Set User Manual G–1 Appendix G: Rear-Panel Connectors This appendix describes the connectors located on the rear panel of the CTS 710. Power Connector Principal Power Switch Fuse VGA Video Output GPIB Port RS-232 Port (Connector Not Used) 1.
Appendix G: Rear-Panel Connectors G–2 CTS 710 SONET T est Set User Manual VGA connector . T able G–1 lists the pin assignment for the rear-panel VGA connector .
Appendix G: Rear -Panel Connectors CTS 710 SONET T est Set User Manual G–3 GPIB Port The GPIB (General Purpose Interface Bus) port is used for remote control of the CTS 710.
Appendix G: Rear -Panel Connectors G–4 CTS 710 SONET T est Set User Manual T able G–2: RS-232 Rear Panel Connector Pin Assignment (Cont.) Pin Number Description Name 6 DSR Data Set Ready 7 RTS Req.
Appendix G: Rear-Panel Connectors CTS 710 SONET T est Set User Manual G–5 Overhead Add/Drop Port Y ou use the Overhead Add/Drop port to add/drop the section and line data communication channels (DCC), and the section and line user channels.
Appendix G: Rear -Panel Connectors G–6 CTS 710 SONET T est Set User Manual T able G–4: Overhead Channels Dropped Dropped Channel Bytes Dropped Data Rate Clock Rate Section DCC D1, D2, D3 192 kbps 216 kHz Line DCC D4, D5, D6, D7, D8, D9, D10, D1 1, D12 576 kbps 2.
Appendix G: Rear -Panel Connectors CTS 710 SONET T est Set User Manual G–7 T able G–6: Overhead Add/Drop Port Additional Pin Assignments Signal Pin Shield (ground) 1 Signal Ground (ground) 19 Reserved 33 Tx Frame Pulse (output) 1 15 Rx Frame Pulse (output) 1 36 1 The Frame Pulse signals are nominal 8 kHz, TTL, single-ended signals.
Appendix G: Rear -Panel Connectors G–8 CTS 710 SONET T est Set User Manual Appendix G: Rear-Panel Connectors G–8 CTS 710 SONET T est Set User Manual.
CTS 710 SONET T est Set User Manual H–1 Appendix H: Changing Optical Port Connectors The following procedures are discussed in this appendix: H Cleaning the Optical Ports H Changing the Optical Port Connectors Cleaning the Optical Ports If the CTS 710 performance appears degraded, the optical fiber and optical port may be dirty .
Appendix H: Changing Optical Port Connectors H–2 CTS 710 SONET T est Set User Manual NOTE . T o keep cleaning to a minimum, install the dustcap when no fiber is connected to the optical port.
Appendix H: Changing Optical Port Connectors CTS 710 SONET T est Set User Manual H–3 Figure H–2: FC Optical Bulkhead Assembly Figure H–3: ST Optical Bulkhead Assembly Appendix H: Changing Optica.
Appendix H: Changing Optical Port Connectors H–4 CTS 710 SONET T est Set User Manual Figure H–4: DIN 47256 Optical Bulkhead Assembly Figure H–5: SC Optical Bulkhead Assembly 5. Replace the current bulkhead with the one you wish to use and reassemble.
CTS 710 SONET T est Set User Manual I–1 Appendix I: Packing for Shipment If you ship the CTS 710, pack it in the original shipping carton and packing material.
Appendix I: Packing for Shipment I–2 CTS 710 SONET T est Set User Manual Appendix I: Packing for Shipment I–2 CTS 710 SONET T est Set User Manual.
Glossary and Index Glossary and Index.
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CTS 710 SONET T est Set User Manual Glossary–1 Glossary AIS An acronym for Alarm Indication Signal. An AIS is used to alert downstream equipment that an upstream failure has been detected. APS An acronym for Automatic Protection Switching. ASCII An acronym for American Standard Code for Information Interchange.
Glossary Glossary–2 CTS 710 SONET T est Set User Manual CV An acronym for Coding V iolation. dB The symbol for decibels. dBm The symbol for power level in decibels relative to 1 mW . DM An acronym for Degraded Minute. A minute with a BER greater than 10 –6 .
Glossary CTS 710 SONET T est Set User Manual Glossary–3 FEBE An acronym for Far End Block Error . An indication returned to the transmitting L TE that an errored block has been detected at the receiving L TE. FERF An acronym for Far End Receive Failure.
Glossary Glossary–4 CTS 710 SONET T est Set User Manual Line Sever ely Err ored Second (SES) A second with N or more Line CVs, or a second during which the line was in the Line AIS state. The value of N varies with the transmit rate, but corresponds to a 2 × 10 –7 BER.
Glossary CTS 710 SONET T est Set User Manual Glossary–5 status and maintenance information between two network elements. POH An acronym for Path Overhead.
Glossary Glossary–6 CTS 710 SONET T est Set User Manual SONET An acronym for Synchronous Optical NET work. SPE An acronym for Synchronous Payload Envelope. STE An acronym for Section T erminating Equipment. STS An acronym for Synchronous T ransport Signal.
Glossary CTS 710 SONET T est Set User Manual Glossary–7 Through Mode The ability to retransmit the incoming signal and manipulate its contents. TOH An acronym for T ransport Overhead.
Glossary Glossary–8 CTS 710 SONET T est Set User Manual Glossary Glossary–8 CTS 710 SONET T est Set User Manual.
CTS 710 SONET T est Set User Manual Index–1 Index A Abort PRINT CONTROL dialog box, 3–197, 3–198 Self T est Control, 3–21 1 accessories optional, 1–2 standard, 1–2 accessory pouch, install.
Index Index–2 CTS 710 SONET T est Set User Manual Channel Requesting, APS COM- MANDS, 3–165, 3–167 checking APS response, 3–161 continuity , 3–2 error and alarm response, 3–8 fault toleran.
Index CTS 710 SONET T est Set User Manual Index–3 Default (XXXXXXXX), TRANS- POR T OVERHEAD, 3–79 Default 0ppm, Frequency Offset, 3–150 Default 4, GPIB Primary Address, REMOTE CONTROL, 3–207 D.
Index Index–4 CTS 710 SONET T est Set User Manual DS1 SF (D4) DS1 Framing, 3–108, 3–128 Framing, 3–94, 3–125 Payload, 3–74, 3–1 1 1 DS1 Unframed DS1 Framing, 3–108, 3–128 Framing, 3.
Index CTS 710 SONET T est Set User Manual Index–5 Error Ratio, Fail If condition, 3–39 Error type set to, ERRORS & ALARMS, 3–132 Errored Seconds, Fail If condition, 3–42 Errors, MAIN RESUL.
Index Index–6 CTS 710 SONET T est Set User Manual H Hardware Handshake, REMOTE CONTROL, 3–209 Hardware Revision, INSTR CON- FIG, 3–199 HELP button, 2–12 Help dialog box, 2–12 High Receive Le.
Index CTS 710 SONET T est Set User Manual Index–7 LINE FERF , status light, 3–60 Line FERF , T ransmit alarm set to, 3–136 line rate, 3–64, 3–90 LOF Failure set to, 3–138 status lights, 3.
Index Index–8 CTS 710 SONET T est Set User Manual No Mapping (Unequipped), Map- ping, 3–71, 3–72 None Description SA VE P ASS/F AIL TESTS, 3–45 SA VE RESUL TS, 3–193 Error type set to, 3–1.
Index CTS 710 SONET T est Set User Manual Index–9 Path FERF , T ransmit alarm set to, 3–136 Path Overhead, viewing, 3–80, 3–1 16, 3–117 path overhead bytes, setting, 3–77 Path User Channel.
Index Index–10 CTS 710 SONET T est Set User Manual printer setup, 3–203 Printer T ype, PRINTER SETUP , 3–204 printers RS–232 parameters, 3–204 supported, 3–204 printing results, 3–196 Pr.
Index CTS 710 SONET T est Set User Manual Index–1 1 Save to Disk On T est Completion, 3–49 SA VE INSTRUMENT SETUPS, 3–34 SA VE RESUL TS, 3–194 Save to Memory , SA VE INSTRU- MENT SETUPS, 3–3.
Index Index–12 CTS 710 SONET T est Set User Manual STS-1, Signal Structure, RECEIVE SETTINGS, 3–104 STS-3c, Signal Structure, RE- CEIVE SETTINGS, 3–104 symbols (icons) in display , 2–8 T TEST .
Index CTS 710 SONET T est Set User Manual Index–13 Tx/Rx Settings line, RECEIVE SETTINGS page, 3–101 U Unknown, T est Pattern, 3–129 RECEIVE SETTINGS, 3–109, 3–1 13, 3–126 USER, Fail If ta.
Index Index–14 CTS 710 SONET T est Set User Manual Y yellow lights, 2–5, 3–60 Z 0. DEF AUL T memory , RECALL INSTRUMENT SETUPS page, 3–35 Zoom In, HISTOR Y GRAPHS, 3–189 Zoom Out, HISTOR Y GRAPHS, 3–189 Index Index–14 CTS 710 SONET T est Set User Manual Y yellow lights, 2–5, 3–60 Z 0.
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