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HOTWIRE MODEL 7986 M/HDSL ST ANDALONE TERMINA TION UNIT WITH G.703 INTERF ACE USER’S GUIDE Document No. 7986-A2-GB20-00 September 1998.
Printed on recycled paper A 7986-A2-GB20-00 September 1998 Copyright E 1998 Paradyne Corporation. All rights reserved. Printed in U.S.A. Notice This publication is protected by federal copyright law .
Important Information B 7986-A2-GB20-00 September 1998 Important Safety Instructions 1. Read and follow all warning notices and instructions marked on the product or included in the manual.
Important Information C 7986-A2-GB20-00 September 1998 EMI W arnings ! W ARNING: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules.
i 7986-A2-GB20-00 September 1998 Contents About This Guide H Document Purpose and Intended Audience v . . . . . . . . . . . . . . . . . . . . . . . . . H Document Summary v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contents ii 7986-A2-GB20-00 September 1998 3 Initial Startup and Configuration H Overview 3-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H Connecting Power to the Unit 3-2 . . . . . . . .
Contents iii 7986-A2-GB20-00 September 1998 5 T esting H Accessing the T est Menu 5-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H Running Network T ests 5-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contents iv 7986-A2-GB20-00 September 1998 A Configuration Option T ables H Overview A-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H Network Interface Options Menu A-2 . . . . . . . . .
v 7986-A2-GB20-00 September 1998 About This Guide Document Purpose and Intended Audience This guide contains information needed to set up, configure, and operate the Hotwire Model 7986 Multirate/High Bit-Rate Digital Subscriber Line (M/HDSL) Standalone T ermination Unit with G.
About This Guide vi 7986-A2-GB20-00 September 1998 Section Description Appendix A Configuration Option T ables. Contains all configuration options, default settings, and possible settings. Appendix B Standards Compliance for SNMP T raps. Contains SNMP trap compliance information.
1-1 7986-A2-GB20-00 September 1998 About the Model 7986 Standalone T ermination Unit 1 M/HDSL Overview Hotwire Multirate/High Bit-Rate Digital Subscriber Line (M/HDSL) products maximize customer service areas by varying the DSL line rate.
About the Model 7986 Standalone T ermination Unit 1-2 7986-A2-GB20-00 September 1998 Hotwir e 7986 T ermination Unit Features The Hotwire Model 7986 M/HDSL Standalone T ermination Unit is an endpoint .
About the Model 7986 Standalone T ermination Unit 1-3 7986-A2-GB20-00 September 1998 Network Configuration Figure 1-1 shows a network application using a 2-port Hotwire 8786 M/HDSL T ermination Unit for access concentration in a central office (CO).
About the Model 7986 Standalone T ermination Unit 1-4 7986-A2-GB20-00 September 1998 Fr ont Panel LED Status Indicators Figure 1-2 shows the front panel of the Model 7986 Standalone T ermination Unit. For more information on front panel LEDs, refer to Chapter 4, Monitoring the Unit .
About the Model 7986 Standalone T ermination Unit 1-5 7986-A2-GB20-00 September 1998 MIB Support The Model 7986 Standalone T ermination Unit supports traps as defined in RFC 1215.
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2-1 7986-A2-GB20-00 September 1998 Using the Asynchr onous T erminal Interface 2 User Interface Access Y ou can communicate with the Hotwire Model 7986 Standalone T ermination Unit with an asynchronous terminal interface (A TI) using one of the following methods: H Direct connection through the COM port.
Using the Asynchronous T erminal Interface 2-2 7986-A2-GB20-00 September 1998 Initiating an A TI Session The Main Menu screen is displayed on the screen unless a login ID and password is required or the A TI is already in use.
Using the Asynchronous T erminal Interface 2-3 7986-A2-GB20-00 September 1998 main Access Level: Administrator Hotwire Model 7986 MAIN MENU Status Test Configuration Control ––––––––.
Using the Asynchronous T erminal Interface 2-4 7986-A2-GB20-00 September 1998 The following illustration shows the menu paths to the different A TI screens.
Using the Asynchronous T erminal Interface 2-5 7986-A2-GB20-00 September 1998 Scr een W ork Areas There are two user work areas: H Screen area – This is the area above the dotted line that provides the menu path, menus, and input fields. The menu path appears as the first line on the screen.
Using the Asynchronous T erminal Interface 2-6 7986-A2-GB20-00 September 1998 Navigating the Scr eens Y ou can navigate the screens by: H Using keyboard keys H Using screen function keys H Switching between the two screen work areas Keyboard Keys Use the following keyboard keys to navigate within the screen.
Using the Asynchronous T erminal Interface 2-7 7986-A2-GB20-00 September 1998 The current setting or value appears to the right of the field name. Y ou can enter information into a selected field by: H T yping in the first letter(s) of a field value or command.
Using the Asynchronous T erminal Interface 2-8 7986-A2-GB20-00 September 1998 Switching Between Screen W ork Areas Select Ctrl-a to switch between the two screen work areas to perform all screen functions. " Procedur e T o access the screen function area below the dotted line: 1.
Using the Asynchronous T erminal Interface 2-9 7986-A2-GB20-00 September 1998 Ending an A TI Session Use the E xit function key from any screen to terminate the session. " Procedur e T o end a session with the asynchronous terminal interface: 1. Press Ctrl-a to go to the screen function key area below the dotted line.
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3-1 7986-A2-GB20-00 September 1998 Initial Startup and Configuration 3 Overview This chapter provides instructions on how to access and configure your unit for the first time. This chapter includes procedures for: H Connecting power to the unit. H Connecting the unit to the network.
Initial Startup and Configuration 3-2 7986-A2-GB20-00 September 1998 Connecting Power to the Unit If your package includes a power pack: Plug the power pack into an ac outlet having a nominal voltage rating between 100–240 V ac. Connect the output cable of the power pack to the connector marked POWER on the rear panel.
Initial Startup and Configuration 3-3 7986-A2-GB20-00 September 1998 Connecting to the Network " Procedur e T o connect your unit to the network: 1. Connect one end of the network cable into the rear panel DSL jack. Connect the other end to your DSL network interface.
Initial Startup and Configuration 3-4 7986-A2-GB20-00 September 1998 Entering Identity Information After accessing your unit for the first time, use the Change Identity screen to determine SNMP administrative system information that will be displayed on the Identity screen of the Status branch.
Initial Startup and Configuration 3-5 7986-A2-GB20-00 September 1998 3. Position the cursor in the System Contact field. Enter the name and contact information for the person responsible for the unit. The maximum length of System Contact is 128 characters.
Initial Startup and Configuration 3-6 7986-A2-GB20-00 September 1998 Configuring the Unit Using the Internal Switches Use internal Switchpacks S1 and S2 to manually configure the unit.
Initial Startup and Configuration 3-7 7986-A2-GB20-00 September 1998 Switchpack Locations Use Figure 3-1 to locate Switchpacks S1 and S2. 98-16073 Switchpac k S1 & S2 F ront S2 Rear S1 678 ON 12345 678 ON 12345 Figure 3-1.
Initial Startup and Configuration 3-8 7986-A2-GB20-00 September 1998 Switchpack Definitions Manually change configuration options by moving Switchpack S1 DIP switches on the card. T able 3-1 lists Switchpack S1 definitions. T able 3-1. Switchpack S1 Definitions Switch # .
Initial Startup and Configuration 3-9 7986-A2-GB20-00 September 1998 T able 3-2 lists Switchpack S2 definitions. T able 3-2. Switchpack S2 Definitions Switch # . . . Allows you to . . . Default in Bold 1 Control whether the unit is an L TU or an NTU. OFF = NTU ON =L TU 2 Control enabling and disabling of the Autorate capability .
Initial Startup and Configuration 3-10 7986-A2-GB20-00 September 1998 Accessing and Displaying Configuration Options T o display configuration options, you must first load a configuration into the edit area.
Initial Startup and Configuration 3-1 1 7986-A2-GB20-00 September 1998 Configuration Edit/Display The Configuration Edit/Display screen is displayed when the current, customer , or default configuration is loaded.
Initial Startup and Configuration 3-12 7986-A2-GB20-00 September 1998 Configuring AutoRate The M/HDSL AutoRate function is controlled from the Network Interface Options screen and allows you to enable or disable AutoRate only from a unit configured as an L TU.
Initial Startup and Configuration 3-13 7986-A2-GB20-00 September 1998 T able 3-4 provides the maximum payload rates achievable for each DSL line rate and the number of time slots required to achieve that payload rate depending on whether you are using signaling (time slots 0 and 16) or data only (time slot 0).
Initial Startup and Configuration 3-14 7986-A2-GB20-00 September 1998 Configuration Loader The Configuration Loader screen allows you to upload configurations to and download configurations from a TFTP server .
Initial Startup and Configuration 3-15 7986-A2-GB20-00 September 1998 2. Position the cursor in the TFTP Server IP Address field. Enter the TFTP server IP address. 3. Position the cursor in the Destination field. Use the spacebar to select a network destination for the TFTP server .
Initial Startup and Configuration 3-16 7986-A2-GB20-00 September 1998 Saving Configuration Options When changes are made to the configuration options through the Configuration Edit/Display branch, the changes must be saved to take effect. Use the S ave key or Save Configuration screen.
Initial Startup and Configuration 3-17 7986-A2-GB20-00 September 1998 Download Code The Download Code screen allows you to download firmware from a TFTP server .
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4-1 7986-A2-GB20-00 September 1998 Monitoring the Unit 4 What to Monitor This chapter presents information on how to access and monitor Hotwire Model 7986 Standalone T ermination Units on the E1 network.
Monitoring the Unit 4-2 7986-A2-GB20-00 September 1998 V iewing System and T est Status T o view System and T est Status information, follow this menu selection sequence: Main Menu → Status → Syst.
Monitoring the Unit 4-3 7986-A2-GB20-00 September 1998 Health and Status The following messages can appear in the first column of the System and T est Status screen. The highest priority Health and Status message also appears on all A TI screens on the bottom right.
Monitoring the Unit 4-4 7986-A2-GB20-00 September 1998 T able 4-1. Health and Status Messages (2 of 2) Message What T o Do What Message Indicates Fallback Rate, Pt 1 The L TU, set to AutoRate enable, synchronized at a lower rate when the line was restored after an LOS.
Monitoring the Unit 4-5 7986-A2-GB20-00 September 1998 Self-T est Results The results of the last power-up or reset self-test appear in the middle column of the System and T est Status screen. T able 4-2. Self-T est Results Messages Message What Message Indicates What T o Do CPU Failed The CPU failed internal testing.
Monitoring the Unit 4-6 7986-A2-GB20-00 September 1998 T est Status The T est Status messages in the following table appear in the right column of the System and T est Status screen. T able 4-3. T est Status Messages T est Status Message Meaning No T est Active No tests are currently running.
Monitoring the Unit 4-7 7986-A2-GB20-00 September 1998 V iewing Network Err or Statistics The Model 7986 Standalone T ermination Unit maintains error statistics on the network DSL interface for port 1. Statistics are maintained for up to 96 15-minute intervals (24 hours).
Monitoring the Unit 4-8 7986-A2-GB20-00 September 1998 Use the virtual function keys to page through the intervals and clear statistics. This Field . . . Contains . . . Current Interval T imer The number of seconds which have elapsed in the current 15-minute interval.
Monitoring the Unit 4-9 7986-A2-GB20-00 September 1998 V iewing Network Performance Statistics Network performance statistics allow you to monitor the current status of the network DSL operations.
Monitoring the Unit 4-10 7986-A2-GB20-00 September 1998 This Field . . . Contains . . . Current interval timer The number of seconds which have elapsed in the current 15-minute interval. Maximum value is 900 seconds (15 minutes). This counter resets every 15 minutes.
Monitoring the Unit 4-1 1 7986-A2-GB20-00 September 1998 V iewing G.703 Performance Statistics G.703 performance statistics allow you to monitor the current status of the network DSL operations.
Monitoring the Unit 4-12 7986-A2-GB20-00 September 1998 H Status: Contains the contents of the status events register . The status events register maintains a history of specific events that have occurred during an interval. V alues include: — Y – Remote alarm indication signal received at the G.
Monitoring the Unit 4-13 7986-A2-GB20-00 September 1998 V iewing Model 7986 Standalone T ermination Unit LEDs The Model 7986 Standalone T ermination Unit LEDs can be viewed on the Display LEDs Status screen. This A TI status screen is available locally and remotely .
Monitoring the Unit 4-14 7986-A2-GB20-00 September 1998 Model 7986 Standalone T ermination Unit LEDs The following table contains a description of the LEDs on the Model 7986 Standalone T ermination Unit front panel. POWER ALARM TEST DSL G.703 98-16087 7986 M/HDSL TM TM T ype LED LED is .
5-1 7986-A2-GB20-00 September 1998 T esting 5 Accessing the T est Menu From the T est menu, you can run network tests, data port tests, and a front panel lamp test. T o access the T est menu, follow this menu selection sequence: Main Menu → T est main/test Hotwire Model: 7986 TEST Network & G.
T esting 5-2 7986-A2-GB20-00 September 1998 Running Network T ests Network tests require the participation of your network service provider . T o access the Network T ests screen, follow this menu selection sequence: Main Menu → T est → Network & G.
T esting 5-3 7986-A2-GB20-00 September 1998 Line Loopback Line Loopback (LLB) loops the received signal on the network interface back to the network without change. CAP DSL Po r t G.703 Po r t CAP E1 LIU F ramer F ramer T ransceiver AIS 98-15997 " Procedur e T o run a Line Loopback: 1.
T esting 5-4 7986-A2-GB20-00 September 1998 Repeater Loopback Repeater Loopback (RLB) loops the signal being sent from the data port back to the data port and to the network interface. CAP DSL Po r t G.703 Po r t CAP E1 LIU F ramer F ramer T ransceiver 98-15999 " Procedur e T o run a Repeater Loopback: 1.
T esting 5-5 7986-A2-GB20-00 September 1998 DTE Loopback DTE Loopback loops the G.703 signal back to itself before the signal is sent to the Framer . CAP DSL Po r t G.703 Po r t CAP E1 LIU F ramer F ramer T ransceiver 98-16000 All Ones " Procedur e T o run a DTE Loopback: 1.
T esting 5-6 7986-A2-GB20-00 September 1998 Send Remote Line Loopback The L TU initiates the test by sending a line loopback up or down command to the remote unit for 10 seconds. When the remote unit detects the loopback up command, it puts itself in line loopback and lights the front panel test LED.
T esting 5-7 7986-A2-GB20-00 September 1998 Send and Monitor 51 1 The L TU initiates the test by sending a command to the remote unit to send a 51 1 test pattern. When the remote unit detects the command, it sends a 51 1 pattern and lights the front panel test LED.
T esting 5-8 7986-A2-GB20-00 September 1998 Device T ests The Device T ests branch is used to access the only card-level test, the Lamp T est. T o access the Device T ests screen, follow this menu sel.
T esting 5-9 7986-A2-GB20-00 September 1998 Ending an Active T est Except for the Remote Send Line Loopback and Remote DCLB, a test initiated by the user can be ended by the user . T ests can also be terminated automatically by enabling the T est T imeout option from the System Options Menu.
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6-1 7986-A2-GB20-00 September 1998 Messages and T r oubleshooting 6 Overview There are many resources available to assess the status of the device and contribute to problem resolutions.
Messages and T roubleshooting 6-2 7986-A2-GB20-00 September 1998 Configuring SNMP T raps An SNMP trap can be automatically sent out through the EOC or the Management port to an SNMP manager when the Model 7986 Standalone T ermination Unit detects conditions set by the user .
Messages and T roubleshooting 6-3 7986-A2-GB20-00 September 1998 Device Messages The Device Messages in T able 6-1, listed in alphabetical order , can appear in the messages area at the bottom of the A TI screens. T able 6-1. Device Messages (1 of 2) Device Message What Message Indicates What T o Do Access level is Operator .
Messages and T roubleshooting 6-4 7986-A2-GB20-00 September 1998 T able 6-1. Device Messages (2 of 2) Device Message What T o Do What Message Indicates Invalid entry at cursor (1...223, excluding 127) Invalid range. Enter a value within the IP address range.
Messages and T roubleshooting 6-5 7986-A2-GB20-00 September 1998 T r oubleshooting This Model 7986 Standalone T ermination Unit is designed to provide you with many years of trouble-free service. If a problem occurs, however , refer to T able 6-2 for possible solutions.
Messages and T roubleshooting 6-6 7986-A2-GB20-00 September 1998 T able 6-2. T roubleshooting (2 of 2) Symptom Solutions Possible Cause Not receiving data. H The network or data port cables are not connected (check front panel LEDs for more information).
7-1 7986-A2-GB20-00 September 1998 Security 7 Overview The Model 7986 Standalone T ermination Unit provides several methods of security by limiting user access to the A TI through option settings. Y ou can: H Enable the T elnet Login Required option. H Limit the access by setting a Session Access Level option of Operator for the T elnet Session.
Security 7-2 7986-A2-GB20-00 September 1998 Access level is also used to control access via T elnet. If the T elnet Session Access Level is set to Administrator (see T able A-5, T elnet Session Options ), a Login ID with an Operator access level is not permitted access.
Security 7-3 7986-A2-GB20-00 September 1998 3. Create the login by entering the following fields. Login IDs and passwords are case-sensitive. On the Login Entry screen, for the . . . Enter . . . Login ID 1 to 10 ASCII printable characters (hex21 through 7E).
Security 7-4 7986-A2-GB20-00 September 1998 Deleting a Login " Procedur e 1. T o delete a login record, follow this menu selection sequence: Main Menu → Control → Administer Logins 2. Select PgU p or PgD n and press Enter to page through login pages / records until you find the one to be deleted.
Security 7-5 7986-A2-GB20-00 September 1998 If entering yes to prompt . . . Then . . . Reset COM Port usage H Port type is set to T erminal H Data Rate (kbps) is set to 9.
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8-1 7986-A2-GB20-00 September 1998 IP Addr essing 8 Selecting an IP Addr essing Scheme The NTU’s network interface IP address is assigned through the peer IP address of the L TU’s Network Interface menu. The NTU obtains the L TU’s IP address and subnet mask when the PPP link is established over the EOC.
IP Addressing 8-2 7986-A2-GB20-00 September 1998 IP Addr essing Example 98-16086 DSLAM DSLAM 7986 MCC Base Address = 126.35.50.1 MCC Base Subnet Mask = 255.255.255.0 Po r t 1 P eer IP Address = 126.35.50.5 MCC LT U 8786 Po r t 2 P eer IP Address = 126.
A-1 7986-A2-GB20-00 September 1998 Configuration Option T ables A Overview The tables in this appendix summarize the configuration options accessed when you select the Configuration option on the Main Menu. The Configuration options are arranged into groups based upon functionality .
Configuration Option T ables A-2 7986-A2-GB20-00 September 1998 Network Interface Options Menu For Network Interface Options, refer to T able A-1. T o access the Network Interface Options screen, foll.
Configuration Option T ables A-3 7986-A2-GB20-00 September 1998 T able A-1. Network Interface Options (2 of 2) DSL Line Rate Possible Settings: 144, 272, 400, 528, 784, 1040, 1552, 2064 Default Setting: 2064 Specifies the DSL line rate of the unit.
Configuration Option T ables A-4 7986-A2-GB20-00 September 1998 G.703 Interface Options Menu For G.703 Interface Options, refer to T able A-2. T o access the G.703 Interface Options screen, follow this menu selection sequence: Main Menu → Configuration → Load Configuration From → G.
Configuration Option T ables A-5 7986-A2-GB20-00 September 1998 T able A-2. G.703 Interface Options (2 of 2) Line Framing Possible Settings: CRC4, noCRC4 Default Setting: noCRC4 Specifies the framing format to be used by the G.703 interface. CRC4 – CRC4 framing formatting is used for transmitted and received data over the Network Interface.
Configuration Option T ables A-6 7986-A2-GB20-00 September 1998 System Options Menu For System Options, refer to T able A-3. T o access the System Options screen, follow this menu selection sequence: .
Configuration Option T ables A-7 7986-A2-GB20-00 September 1998 T able A-3. System Options T est Duration (min) Possible Settings: 1–120 Default Setting: 10 Number of minutes for a test to be active before automatically ending. H The T est Duration (min) option appears when T est Timeout is enabled.
Configuration Option T ables A-8 7986-A2-GB20-00 September 1998 Communication Port For Communication Port Options, refer to T able A-4. T o access the Communications Ports screen, follow this menu sel.
Configuration Option T ables A-9 7986-A2-GB20-00 September 1998 T able A-4. Communication Port Options (2 of 3) Data Rate Possible Settings: 9.6 , 14.4, 19.2, 28.8, 38.4 Default Setting: 9.6 Specifies the communication port baud rate. 9.6 – Communication port rate is 9600 bps (T erminal).
Configuration Option T ables A-10 7986-A2-GB20-00 September 1998 T able A-4. Communication Port Options (3 of 3) Login Required (Asynchronous mode only) Possible Settings: Enable, Disable Default Setting: Disable Specifies if an ID and password are required to access the asynchronous terminal interface on the communication port.
Configuration Option T ables A-1 1 7986-A2-GB20-00 September 1998 Management and Communication Options Menu The Management and Communication Options Menu includes the following: H T elnet Session Opti.
Configuration Option T ables A-12 7986-A2-GB20-00 September 1998 T able A-5. T elnet Session Options T elnet Session Possible Settings: Enable, Disable Default Setting: Enable Specifies if the T ermination Unit will respond to a T elnet session request from a T elnet client on an interconnected IP network.
Configuration Option T ables A-13 7986-A2-GB20-00 September 1998 Communication Pr otocol Options The communication protocol configuration options specify the information necessary to support the IP communication network, including; IP address and link protocols.
Configuration Option T ables A-14 7986-A2-GB20-00 September 1998 T able A-6. Communication Protocol Options (1 of 2) Node IP Address Possible Settings: 000.000.000.000 – 223.255.255.255 Default Setting: 000.000.000.000 Specifies the Node IP address.
Configuration Option T ables A-15 7986-A2-GB20-00 September 1998 T able A-6. Communication Protocol Options (2 of 2) Communication Port Subnet Mask Possible Settings: 000.000.000.000 – 255.255.255.255 Default Setting: 000.000.000.000 Specifies the unit’s Communication Port Subnet Mask when the unit is configured as a network communication link.
Configuration Option T ables A-16 7986-A2-GB20-00 September 1998 SNMP T raps Options SNMP configuration options allow you to specify the information necessary to support the Model 7986 T ermination unit SNMP traps.
Configuration Option T ables A-17 7986-A2-GB20-00 September 1998 T able A-7. SNMP T raps Options (1 of 2) SNMP T raps Possible Settings: Enable, Disable Default Setting: Disable Controls the generation of SNMP trap messages. The options for addresses and types of traps are located in this table.
Configuration Option T ables A-18 7986-A2-GB20-00 September 1998 T able A-7. SNMP T raps Options (2 of 2) Enterprise Specific T raps Possible Settings: Enable, Disable Default Setting: Disable Determines if SNMP traps are generated for enterprise-specific events.
B-1 7986-A2-GB20-00 September 1998 Standards Compliance for SNMP T raps B SNMP T raps This section describes the unit’s compliance with SNMP standards and any special operational features for the SNMP traps supported.
Standards Compliance for SNMP T raps B-2 7986-A2-GB20-00 September 1998 linkUp and linkDown The link SNMP traps are: H linkUp – The unit recognizes that one of the communication interfaces is operational. H linkDown – The unit recognizes that one of the communication interfaces is not operational.
Standards Compliance for SNMP T raps B-3 7986-A2-GB20-00 September 1998 Enterprise-Specific T raps EnterpriseSpecific traps indicates that an enterprise-specific event has occurred. The Specific-trap field identifies the particular trap that occurred.
Standards Compliance for SNMP T raps B-4 7986-A2-GB20-00 September 1998 SNMP T rap Possible Cause Description enterpriseT estStop(105) All tests have been halted.
Standards Compliance for SNMP T raps B-5 7986-A2-GB20-00 September 1998 The tests that affect the enterpriseT estStart, enterpriseT estStop, and the variable-bindings are different for each particular interface. Diagnostic tests are only supported on the physical E1 network and user data port interfaces.
Standards Compliance for SNMP T raps B-6 7986-A2-GB20-00 September 1998.
C-1 7986-A2-GB20-00 September 1998 Cables and Pin Assignments C Overview The following sections provide pin assignments: H E1 Network Interface Cable H DSL Network Interface Cable and Connector H COM Port Interface Cable H Power Input Connector H Optional Power Cable POWER DSL COM TX RX G.
Cables and Pin Assignments C-2 7986-A2-GB20-00 September 1998 E1 Network Interface The E1 network interface is either two BNC connectors (T ransmit and Receive) for a 75-ohm unbalanced interface, or an RJ48C, 8-position, unkeyed modular connector (T able C-1, Figure C-1) for a 120-ohm balanced interface.
Cables and Pin Assignments C-3 7986-A2-GB20-00 September 1998 DSL Network Interface Cable The DSL line interface cable is a 20-foot, 24 A WG solid, 2-twisted-pair cable that is RJ48C-to-RJ48C (T able C-2, Figure C-2 ).
Cables and Pin Assignments C-4 7986-A2-GB20-00 September 1998 COM Port Interface Cable The COM port connects to either a PC or to an ASCII terminal or printer for alarms. The COM port-to-PC cable is a 14-foot, 26 A WG, 8-conductor cable with an 8-position modular plug keyed connector and a DB9 socket connector (Figure C-3).
Cables and Pin Assignments C-5 7986-A2-GB20-00 September 1998 Power Input Connector The required input power connector leads are shown in T able C-4. T able C-4. DC Power Connector Signal Pin Number +24 Vdc 5 +24 Vdc Return 4 Chassis Ground 3 Optional Power Cable The optional power cable is a 14.
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D-1 7986-A2-GB20-00 September 1998 T echnical Specifications D Specifications Criteria* Size Width 7.25 inches (18.4 cm) Height 1.5 inches (3.8 cm) Length 9.4 inch (24.9 cm) Weight Approximately 1.25 lbs. (0.6 kg) Approvals Safety Certifications Refer to the equipment’s label for approvals on product.
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GL-1 7986-A2-GB20-00 September 1998 Glossary A random bit test 51 1 bytes in length. Alternate Mark Inversion. A line coding technique used to accommodate the ones density requirements of E1 or T1 lines. Asynchronous T erminal Interface. A menu-driven, VT100-compatible system for configuring and managing the termination unit.
Glossary GL-2 7986-A2-GB20-00 September 1998 Data T erminal Loopback. LoopBack mode that loops the data for a particular synchronous data port back to the port just before it is combined with the rest of the T1 data stream. Data T erminal Ready . A signal from the DTE to the modem, sent via Pin 20 of the EIA-232 interface (V .
Glossary GL-3 7986-A2-GB20-00 September 1998 Light Emitting Diode. A light or status indicator that glows in response to the presence of a certain condition (e.g., an alarm). Line LoopBack. A test in which the received signal on the network interface is looped back to the network without change.
Glossary GL-4 7986-A2-GB20-00 September 1998 T rivial File Transfer Protocol. A standard TCP/IP protocol that allows simple file transfer to and from a remote system without directory or file listing. TFTP is used where FTP is not available. T ransmit Data.
IN-1 7986-A2-GB20-00 September 1998 Index A Abort All T ests, 5-1 ac transformer , connecting, 3-2 access, to async terminal interface, 2-3 access level effective, 7-1 functions available for , 7-1 ac.
Index IN-2 7986-A2-GB20-00 September 1998 D dc power option, 3-2– 3-18 default configuration area, 3-5 delete, Login ID, 7-4 device, messages, 6-3– 6-4 dimensions, D-1 Disconnect T ime, for T elne.
Index IN-3 7986-A2-GB20-00 September 1998 M main menu, 2-2, A-1 Management and Communication Options, A-1 1 management port access, 7-1 settings, 2-1 Margin Threshold, A-2 Memory Fail, status, 4-5 mes.
Index IN-4 7986-A2-GB20-00 September 1998 S Save Configuration screen, 3-16 saving option changes, 3-16 screen, function keys, 2-7 screens, for user interface, 2-1– 2-6 SDSL Mode, A-6 security , 7-1.
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