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COMSPHERE 3800 P LUS MODEMS USER’S GUIDE Documen t No. 3980-A2-GB30-4 1 February 2002.
COMSPHERE 3800 Plus Modems A February 2002 3980-A2-GB30-4 1 COMSPHERE 3800 Plus Modems User ’ s Guide 3980-A2-GB30-4 1 6 t h Edition ( February 2002 ) Changes and enhancements to the product and to the information herein will be documented and issued as a new release to this manual.
Safety Instructions B 3980-A2-GB30-40 October 1998 Important Safety Instructions 1. Read and follow all warning notices and instructions marked on the product or included in the manual. 2. Slots and openings in the cabinet are provided for ventilation.
COMSPHERE 3800 Plus Modems C October 1998 3980-A2-GB30-40 Notices .
Government Requirements D 3980-A2-GB30-40 October 1998 3. The Ringer Equivalence (REN) is used to determine the quantity of devices which may be connected to the telephone line. Excessive RENs on the telephone line may result in the devices not ringing in response to an incoming call.
COMSPHERE 3800 Plus Modems E October 1998 3980-A2-GB30-40 Canada Notice to Users of the Canadian Public Switched T elephone Network The Canadian Department of Communications label identifies certified equipment. This certification means that the equipment meets certain telecommunications network protective, operational and safety requirements.
i 3980-A2-GB30-40 October 1998 T able of Contents Preface Objectives and Reader Assumptions vii . . . . . . . . . . . . . . . . . . . . . . . . . . . How to Use This Manual vii . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Related Documents viii .
COMSPHERE 3800 Plus Modems ii October 1998 3980-A2-GB30-40 4. Front Panel Operation Overview 4-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Diagnostic Control Panels 4-1 . . . . . . . . . . . . . . .
T able of Contents iii 3980-A2-GB30-40 October 1998 12. Fax Operation Overview 12-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fax Operation 12-1 . . . . . . . . . . . . . . . . . . . . . . . . . . .
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T able of Contents v 3980-A2-GB30-40 October 1998 List of Figures Figure Page 2-1 3810 Plus Modem 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 3810 Plus Rear Panel 2-3 . . . . . . . . .
COMSPHERE 3800 Plus Modems vi October 1998 3980-A2-GB30-40 List of T ables T able Page 4-1 3800 Plus DCP LEDs 4-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 SDCP LEDs 4-4 . . . . . . . . . . .
vii 3980-A2-GB30-40 October 1998 Preface Objectives and Reader Assumptions This manual describes how to install and operate the 3810 Plus (standalone) and 381 1 Plus (carrier -mounted) modems. The reader is assumed to have a basic understanding of modems and their operation.
COMSPHERE 3800 Plus Modems viii October 1998 3980-A2-GB30-40 Related Documents 3000-A2-GA31 COMSPHERE 3000 Series Carrier , Installation Manual 3610-A2-GZ45 3600 Hubbing Device, Featur e Number 3600-F.
1-1 3980-A2-GB30-40 October 1998 Introduction Overview The COMSPHERE r 3810 Plus and 381 1 Plus modems, extensions of the award-winning COMSPHERE 3800 Series, are a new generation of full-feature, high-speed dial modems that offer reliable asynchronous and synchronous operation over dial- or leased-lines networks.
COMSPHERE 3800 Plus Modems 1-2 October 1998 3980-A2-GB30-40 • Class 1 and Class 2 Group III Fax modulations: ITU-T V .17 (14,400, 12,000, 9600, and 7200 bps), V .29 (9600 and 7200 bps), and V .27ter (4800 and 2400 bps). • Convenient migration to new or optional features through software downloading.
2-1 3980-A2-GB30-4 1 February 2002 3810 Plus Installation Overview The standalone 3810 Plus modem ( Figure 2-1 ) is capable of either dial or 4-wire/2-wire leased-line operation. It is controlled using A T commands or the diagnostic control panel (DCP).
COMSPHERE 3800 Plus Modems 2-2 October 1998 3980-A2-GB30-40 DIAGNOSTIC CONTROL LCD AND ST A TUS POWER SUPPL Y 496-14678-01 POWER ON/OFF LEASED (3810 Plus ONL Y) DIAL (OR LEASED FOR 3820 Plus ) DTE 1 NMS POWER IN Figure 2-1.
3810 Plus Installation 2-3 3980-A2-GB30-40 October 1998 • An 6-pin modular keyed jack for dial (PSTN) lines. • A 4-pin modular jack for network management system (NMS) connection.
COMSPHERE 3800 Plus Modems 2-4 October 1998 3980-A2-GB30-40 Dial-Line Connection Use the following procedure to connect the 3810 Plus modem to the dial network interface: 1. Insert the 6-position, 4-conductor modular plug into the jack labeled DIAL/LEASED ( Figure 2-2 ).
3810 Plus Installation 2-5 3980-A2-GB30-40 October 1998 Network Management System Connection For the 3810 Plus modem, use the following procedure to connect the modem to the network management system interface: 1.
COMSPHERE 3800 Plus Modems 2-6 October 1998 3980-A2-GB30-40 Removing and Replacing 3810 Plus Modems T o remove and replace a 3810 Plus modem, perform the following steps: 1. Make sure the modem is offline, and toggle the modem’ s rear panel power switch to the Off position.
3-1 3980-A2-GB30-40 October 1998 381 1 Plus Installation Overview The carrier-mounted 381 1 Plus modem ( Figure 3-1 ) is capable of dial or 4-wire/2-wire leased-line operation and resides in a COMSPHERE 3000 Series Carrier .
COMSPHERE 3800 Plus Modems 3-2 October 1998 3980-A2-GB30-40 If the modem is to be managed by a network management system, an SDU must be supplied and properly connected to the network management controller . For proper network management connection to the SDU, refer to the appropriate network management system user ’ s guide.
381 1 Plus Installation 3-3 3980-A2-GB30-40 October 1998 The installation of a 381 1 Plus varies slightly if an SDCP is installed on the front of the carrier .
COMSPHERE 3800 Plus Modems 3-4 October 1998 3980-A2-GB30-40 If the modem is to communicate with an installed SDCP , install the modem as described above and perform the following steps: 1. Press the Select key on the SDCP . The cursor appears in the carrier selection entry .
4-1 3980-A2-GB30-40 October 1998 Front Panel Operation Overview This chapter describes how to use the diagnostic control panel (DCP) of the 3800 Plus modem.
COMSPHERE 3800 Plus Modems 4-2 October 1998 3980-A2-GB30-40 381 1 Plus Faceplate and Shared Diagnostic Control Panel (SDCP) The shared diagnostic control panel (SDCP) is used to manage carrier-mounted 381 1 Plus modems. Use the SDCP to issue commands to view and select configuration options on, or to monitor tests for , a specific 381 1 Plus modem.
Front Panel Operation 4-3 3980-A2-GB30-40 October 1998 T able 4-1 3800 Plus DCP LEDs Label Color Indicates Pwr green ON – Power is on and the modem is capable of operating. Alrm red Flashing – A malfunction has been detected in either the modem or COMSPHERE 3000 Series Carrier .
COMSPHERE 3800 Plus Modems 4-4 October 1998 3980-A2-GB30-40 The SDCP LEDs are listed and described in T able 4-2. T able 4-2 SDCP LEDs Label Color Indicates OK green Power is ON and the modem is capable of operating. Alarm red The modem has detected a problem with its operation.
Front Panel Operation 4-5 3980-A2-GB30-40 October 1998 Left/Right Scroll Indicato r The left/right scroll indicator displays when more choices are available to the left and right of what is currently displayed on the LCD.
COMSPHERE 3800 Plus Modems 4-6 October 1998 3980-A2-GB30-40 Menu Structure The menu tree is a hierarchical structure used to display functions that configure and control local and remote 3800 Plus modems. It is accessed via the DCP and is shown in Appendix A, Menu T ree .
Front Panel Operation 4-7 3980-A2-GB30-40 October 1998 T op-Level Menu Status and Operational Messages Access to all menu tree branches from the DCP begins at the T op-Level menu, the head of the menu hierarchy .
COMSPHERE 3800 Plus Modems 4-8 October 1998 3980-A2-GB30-40 T able 4-3 (2 of 3) T op Level Menu Status Normal Call Setup Messages Indicates Off Hook The modem is off-hook and waiting to dial a telephone number . Dialing The remote modem is being dialed.
Front Panel Operation 4-9 3980-A2-GB30-40 October 1998 T able 4-3 (3 of 3) T op Level Menu Status Dial Backup Messages Indicates Dial Standby The modem is operating in Dial Standby mode. DialBckUp: MR* The modem is operating in a Dial Backup mode at the displayed data rate and is configured for Direct mode.
COMSPHERE 3800 Plus Modems 4-10 October 1998 3980-A2-GB30-40 T able 4-4 Common Operational Messages Common Operational Messages Indicates Please W ait... Appears when a command to a local device takes more than two seconds to complete. Command Sent...
Front Panel Operation 4-1 1 3980-A2-GB30-40 October 1998 Selecting Factory Configuration Options After the modem passes the power-up self-test, configure it for operation using one of the factory preset configurations.
COMSPHERE 3800 Plus Modems 4-12 October 1998 3980-A2-GB30-40 • On initial power-up, the modem is in Command mode. T o verify that the modem is connected and functioning properly , enter the following: TYPE: AT PRESS: Return (Enter) The screen displays OK.
Front Panel Operation 4-13 3980-A2-GB30-40 October 1998 Diagnostic Control Panel Security Access NOTE This page of the manual is self-supporting and can be removed to prevent unwanted knowledge of the DCP security access selections.
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5-1 3980-A2-GB30-40 October 1998 Call Setup Branch Overview The Call Setup branch of the T op-Level menu allows you to dial, disconnect, and answer telephone calls. It also allows you to create and store up to 10 telephone numbers to directory locations.
COMSPHERE 3800 Plus Modems 5-2 October 1998 3980-A2-GB30-40 Call Setup Branch In the following descriptions, the shaded key indicates what key to press to perform the described operation. T o access the Call Setup branch from the T op-Level menu, select Call Setup: F1 Idle: 28.
Call Setup Branch 5-3 3980-A2-GB30-40 October 1998 Select Disconnect. F1 Disconnect Command Complete F2 F3 The modem goes on-hook (hangs up) and the call is disconnected. This includes any calls being used for dial backup of leased lines. The Command Complete status message is displayed.
COMSPHERE 3800 Plus Modems 5-4 October 1998 3980-A2-GB30-40 For example, under normal dial backup conditions, when a problem occurs on the leased line, the modems establish a connection over the dial network using a telephone number stored in directory location 1.
Call Setup Branch 5-5 3980-A2-GB30-40 October 1998 T o access Change Directory from the Call Setup branch, make the following selections: F1 Call Setup: > Change_Directory F2 F3 Press the key until Change Directory is displayed. Press any function key to select Change Directory .
COMSPHERE 3800 Plus Modems 5-6 October 1998 3980-A2-GB30-40 T able 5-1 V alid Dial Command Modifier Dial Command modifiers are parameters entered in the dial command string which specify how , when, and what number to dial. The following is a list of parameters the 3800 Plus modems recognize: T – T one (DTMF) dial.
6-1 3980-A2-GB30-40 October 1998 Status Branch Overview The Status branch of the T op-Level menu allows you to view the current status of the dial or leased-line connection, the DTE interface, and the identity (for example, serial number and model number) of your equipment.
COMSPHERE 3800 Plus Modems 6-2 October 1998 3980-A2-GB30-40 VF VF displays the condition of the dial or leased-line connection. T o access VF from the Status branch, make the following selection: F1 Status: VF Identity F2 F3 Select VF .
Status Branch 6-3 3980-A2-GB30-40 October 1998 Identity Identity displays the modem’ s serial number, model number , firmware revision level, hardware part number and firmware part number . Retrieval of this information is useful if you are purchasing additional or replacement modems and/or making firmware upgrades.
COMSPHERE 3800 Plus Modems 6-4 October 1998 3980-A2-GB30-40 DTE DTE displays the state and/or activity of the EIA-232-D interface leads: LSD, DTR, DSR, T st, TXD, RXD, R TS, and CTS signals are monitored. The interface leads status is updated every 5 seconds.
Status Branch 6-5 3980-A2-GB30-40 October 1998 T o access Record from the Status branch, make the following selections: F1 Status < Options Record F2 F3 Press the key until Record appears. Select Record. F1 Record Status Display Clear F2 F3 T o display sequence faults, select Display .
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7-1 3980-A2-GB30-40 October 1998 T est Branch Overview The T est branch of the T op-Level menu allows you to initiate various modem tests. Use these tests if you are having data communication problems, such as periodic character loss, random errors, or constant format errors.
COMSPHERE 3800 Plus Modems 7-2 October 1998 3980-A2-GB30-40 T est Branch T o access the T est branch from the T op-Level menu, make the following selections: F1 Idle : 28.8 Status T est F2 F3 Press the key until T est appears. Select T est. Abort Abort ends any test that is in progress and brings the modem back to the normal mode of operation.
T est Branch 7-3 3980-A2-GB30-40 October 1998 Loc Analog Loop Loc Analog Loop performs a local analog loopback (ITU-T V .54 Loop 3), Figure 7-1 , that verifies modem operation as well as the connection between the DTE and modem.
COMSPHERE 3800 Plus Modems 7-4 October 1998 3980-A2-GB30-40 Rem Digital Loop Rem Digital Loop performs a remote digital loopback (ITU-T V .54 Loop 2), Figure 7-2. This test can verify the integrity of the local modem, the communications link, and the remote modem.
T est Branch 7-5 3980-A2-GB30-40 October 1998 Loc Digital Loop Loc Digital Loop is issued by a local modem and forces it to loopback any data received from the remote modem (Figure 7-3). (This test operates the same as an ITU-T V .54 Loop 2 except it is issued at your modem.
COMSPHERE 3800 Plus Modems 7-6 October 1998 3980-A2-GB30-40 Pattern Pattern can transmit and receive a 51 1 bit error rate test pattern. It can also be used with a local analog loopback or a remote digital loopback to simulate data passing through the modem.
T est Branch 7-7 3980-A2-GB30-40 October 1998 T o access Pattern from the T est branch, make the following selections: F1 T est : > Pattern F2 F3 Press the key until Pattern appears.
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8-1 3980-A2-GB30-40 October 1998 Configure Branch Overview After installing a 3800 Plus modem, you set its software configuration options using either the diagnostic control panel (DCP) or the A T command set. This chapter describes how to access and use the Configure branch of the T op-Level menu via the DCP .
COMSPHERE 3800 Plus Modems 8-2 October 1998 3980-A2-GB30-40 CONTENTS OF Active (Saved) ARE AUTOMA TICALL Y COPIED TO Active (Operating) WHEN A SA VE IS COMMANDED VIA THE DCP , ON A RESET , OR ON POWER.
Configure Branch 8-3 3980-A2-GB30-40 October 1998 Active (Saved) (A TZ0, A TZ3) LOAD Active (Operating) USING AT Z OR A T&F COMMAND Active (Operating) CHANGES MADE USING ANY AT COMMAND IMMEDIA TEL.
COMSPHERE 3800 Plus Modems 8-4 October 1998 3980-A2-GB30-40 Configure Branch The Configure branch of the T op-Level menu contains all of the modem’ s configuration options (straps) which determine how the modem operates. These configuration options are accessed by scrolling down and across various levels of the Configure branch.
Configure Branch 8-5 3980-A2-GB30-40 October 1998 Editing and Saving a Configuration Option The following example shows how to change the Remote Access Password using the DCP . (If you ever intend to access another 3800 Plus Series modem via the Remote branch of the T op-Level menu, the Remote Access Password must be the same for both modems.
COMSPHERE 3800 Plus Modems 8-6 October 1998 3980-A2-GB30-40 Select the F2 ( ) key to increment password values. F1 RemAccssPasswrd Nxt ąĄ 0 0000000 F2 F3 Press the key to move the cursor to the next position. F1 RemAccssPasswrd Nxt ąĄ 12345678 F2 F3 Continue this sequence until you have entered the new password value.
Configure Branch 8-7 3980-A2-GB30-40 October 1998 Configuration T ables The modem’ s configuration options are arranged into eight groups based upon functionality: DTE Interface (T able 8-1), DTE Dialer (T able 8-2), Line Dialer (T able 8-3), Dial Line (T able 8-4), Leased Line (T able 8-5), V .
COMSPHERE 3800 Plus Modems 8-8 October 1998 3980-A2-GB30-40 T able 8-1 (2 of 7) DTE Interface Configuration Options Sync DTE Rate:128000 Nxt 128000 1 15200 1 12000 96000 76800 72000 64000 57600 56000 48000 38400 28800 19200 14400 9600 4800 2400 1200 This configuration option only appears if SDC is enabled.
Configure Branch 8-9 3980-A2-GB30-40 October 1998 T able 8-1 (3 of 7) DTE Interface Configuration Options # Stop Bits: 1 Nxt 1 2 Number of Stop Bits. Selects 1 or 2 bits to signal the end of an asynchronous character . The factory default is 1. There is no A T command equivalent; A T prefix determines the number of stop bits via autobauding.
COMSPHERE 3800 Plus Modems 8-10 October 1998 3980-A2-GB30-40 T able 8-1 (4 of 7) DTE Interface Configuration Options DSR Control: Forced_On Nxt Forced_On Stndrd_RS232 WinkWhenDisc Follows_DTR On_Early Delay_T oData DialBkT oggle Data Data Set Ready Control.
Configure Branch 8-1 1 3980-A2-GB30-40 October 1998 T able 8-1 (5 of 7) DTE Interface Configuration Options RTS Action: Ignore Nxt Ignore Stndrd_RS232 Sim_Cntl_Car Cntl_Car Request-to-Send Action. RTS is a signal from the DTE to the modem indicating the DTE has data to send to the modem.
COMSPHERE 3800 Plus Modems 8-12 October 1998 3980-A2-GB30-40 T able 8-1 (6 of 7) DTE Interface Configuration Options RTS/CTS Delay: 0 msec Nxt 0msec 10msec 50msec 150msec 600msec Request-to-Send/Clear-to-Send Delay . RTS/CTS Delay sets the delay time between the modem receiving R TS from the DTE and the modem sending CTS to the DTE.
Configure Branch 8-13 3980-A2-GB30-40 October 1998 T able 8-1 (7 of 7) DTE Interface Configuration Options TX Clock Source: Internal Nxt Internal External RXC_Loop T ransmit Clock Source. Determines the source of timing for synchronous data transmitted from the DTE.
COMSPHERE 3800 Plus Modems 8-14 October 1998 3980-A2-GB30-40 DTE Dialer The DTE Dialer configuration options establish the DTE-to-modem protocol for call establishment and control.
Configure Branch 8-15 3980-A2-GB30-40 October 1998 T able 8-2 (2 of 5) DTE Dialer Configuration Options *A T Escape Char: 043 ASCI Nxt 043 ASCI A T Escape Character . The escape sequence (+++) allows you to move back and forth between Command mode and Data mode.
COMSPHERE 3800 Plus Modems 8-16 October 1998 3980-A2-GB30-40 T able 8-2 (3 of 5) DTE Dialer Configuration Options *Backspace Char: 008 ASCI Nxt ↑ 008 ASCI Backspace Character . Sets the character used to perform a backspace in Command mode. The factory default is 08 (ASCII backspace character).
Configure Branch 8-17 3980-A2-GB30-40 October 1998 T able 8-2 (4 of 5) DTE Dialer Configuration Options *ResultCode Form: Words Nxt Words Numbers (1) Numbers (2) Result Codes Format. Controls whether or not result codes appear as words or as numeric codes.
COMSPHERE 3800 Plus Modems 8-18 October 1998 3980-A2-GB30-40 T able 8-2 (5 of 5) DTE Dialer Configuration Options *A T Cmnd Mode: Normal Nxt Normal No_ERROR NoStrapOrERR A T Command Mode. Determines how the modem responds to valid and invalid A T commands.
Configure Branch 8-19 3980-A2-GB30-40 October 1998 Line Dialer The Line Dialer configuration options establish parameters used by the modem to answer or originate calls.
COMSPHERE 3800 Plus Modems 8-20 October 1998 3980-A2-GB30-40 T able 8-3 (2 of 5) Line Dialer Configuration Options BusyT one Detect: Enable Nxt Enable Disable Busy T one Detect. Sets the modem to monitor for Busy T one (Enable) or ignore Busy T one (Disable).
Configure Branch 8-21 3980-A2-GB30-40 October 1998 T able 8-3 (3 of 5) Line Dialer Configuration Options Long Space Disc: Enable Nxt Enable Disable Long Space Disconnect. Determines the modem’s response to a continuous spacing condition sent from the remote modem when it goes on-hook.
COMSPHERE 3800 Plus Modems 8-22 October 1998 3980-A2-GB30-40 T able 8-3 (4 of 5) Line Dialer Configuration Options NoDataDiscT rig: TXD and RXD Nxt TXD and RXD TXD Only RXD Only TXD or RXD No Data Disconnect T rigger Signal.
Configure Branch 8-23 3980-A2-GB30-40 October 1998 T able 8-3 (5 of 5) Line Dialer Configuration Options DTR Auto Redial: Dir 1 Nxt Dir 1 Dirs1-2 Dirs 1-3 Dirs 1-4 Dirs 1-5 Dirs 1-6 Dirs 1-7 Dirs 1-8 Dirs 1-9 Dirs 1-10 DTR Auto Redial. Defines the number of directory locations the modem may access when prior dialing attempts fail.
COMSPHERE 3800 Plus Modems 8-24 October 1998 3980-A2-GB30-40 Dial Line The Dial Line configuration options are used to configure the modem for operation over dial lines.
Configure Branch 8-25 3980-A2-GB30-40 October 1998 T able 8-4 (2 of 4) Dial Line Configuration Options Automode: Enable Nxt Enable Disable System 85 Automode.
COMSPHERE 3800 Plus Modems 8-26 October 1998 3980-A2-GB30-40 T able 8-4 (3 of 4) Dial Line Configuration Options Dial TX Level: Permissv(– 9) Nxt Permissv(– 9) –10 dBm –1 1 dBm –12 dBm –13.
Configure Branch 8-27 3980-A2-GB30-40 October 1998 T able 8-4 (4 of 4) Dial Line Configuration Options Proactive Retrain: Enable Nxt Enable Disable Proactive Retrain. When enabled, the dial line connection is monitored, and if the Signal to Noise Ratio drops 1.
COMSPHERE 3800 Plus Modems 8-28 October 1998 3980-A2-GB30-40 Leased Line The Leased Line configuration options are used to configure the modem for operation over leased lines. NOTE The Leased Line configuration group only appears if the modem is configured with the Sync Leased factory preset template.
Configure Branch 8-29 3980-A2-GB30-40 October 1998 T able 8-5 (2 of 5) Leased Line Configuration Options *LeasedLine Rate: 33600(V34) Nxt 33600(V34) 31200(V34) 28800(V34) 26400(V34) 24000(V34) 21600(V.
COMSPHERE 3800 Plus Modems 8-30 October 1998 3980-A2-GB30-40 T able 8-5 (3 of 5) Leased Line Configuration Options *Leased TX Level: 0 N x t0– 1– 2– 3– 4– 5– 6– 7– 8– 9– 1 0– 1 1– 1 2– 1 3 – 1 4 – 1 5 Leased T ransmit Level.
Configure Branch 8-31 3980-A2-GB30-40 October 1998 T able 8-5 (4 of 5) Leased Line Configuration Options *Auto Redial Nxt Dir_1 Dirs_1-2 Dirs_1-3 Dirs_1-4 Dirs_1-5 Dirs_1-6 Dirs_1-7 Dirs_1-8 Dirs_1-9 Dirs_1-10 Auto Redial. Works in conjunction with the Bad Lines Auto Originate and Rate Auto Originate options.
COMSPHERE 3800 Plus Modems 8-32 October 1998 3980-A2-GB30-40 T able 8-5 (5 of 5) Leased Line Configuration Options Asymmetric Rate: Enable Nxt Enable Disable Asymmetric Rate. Controls rate symmetry when running V .34 modulation. (This configuration option does not appear unless V .
Configure Branch 8-33 3980-A2-GB30-40 October 1998 V .42/MNP/Buffer V .42/MNP/Buf fer configuration options determine the type of error correction and flow control used by the modems and attached DTEs. Some choices within this group may not appear depending upon how previous configuration options have been selected.
COMSPHERE 3800 Plus Modems 8-34 October 1998 3980-A2-GB30-40 T able 8-6 (2 of 8) V .42/MNP/Buffer Configuration Options Sync Comp Mode: DirectMode Nxt DirectMode HDLC/SDLC This configuration option only appears if Async/Sync Mode is configured for Sync.
Configure Branch 8-35 3980-A2-GB30-40 October 1998 T able 8-6 (3 of 8) V .42/MNP/Buffer Configuration Options SyncDTE CRC: Ignore Nxt Ignore CRC16 This configuration option only appears when the Async/Sync Mode configuration option is set to Sync, and Sync Comp Mode configuration option is not set to DirectMode.
COMSPHERE 3800 Plus Modems 8-36 October 1998 3980-A2-GB30-40 T able 8-6 (4 of 8) V .42/MNP/Buffer Configuration Options V42bis Compress: Enable Nxt Enable Disable This configuration option only appears when Async/Sync Mode is configured for Async. V .
Configure Branch 8-37 3980-A2-GB30-40 October 1998 T able 8-6 (5 of 8) V .42/MNP/Buffer Configuration Options EC Fallbck Char: 013 ASCI Nxt 013 ASCI This configuration option only appears when Async/Sync Mode is configured for Async. Error Control Fallback Character .
COMSPHERE 3800 Plus Modems 8-38 October 1998 3980-A2-GB30-40 T able 8-6 (6 of 8) V .42/MNP/Buffer Configuration Options XON/XOFF Psthru: Disable Nxt Disable Enable This configuration option only appears when Async/Sync Mode is configured for Async. XON/XOFF Passthrough.
Configure Branch 8-39 3980-A2-GB30-40 October 1998 T able 8-6 (7 of 8) V .42/MNP/Buffer Configuration Options Send Break Cntl: Data-First Nxt Data-First Break-First This configuration option only appears when Async/Sync Mode is configured for Async. Send Break Control.
COMSPHERE 3800 Plus Modems 8-40 October 1998 3980-A2-GB30-40 T able 8-6 (8 of 8) V .42/MNP/Buffer Configuration Options Max Frame Size: 256 Nxt 256 192 128 64 32 16 This configuration option only appe.
Configure Branch 8-41 3980-A2-GB30-40 October 1998 T est The T est configuration options determine specifics, such as the duration of a test, for the various diagnostic tests available to the modem.
COMSPHERE 3800 Plus Modems 8-42 October 1998 3980-A2-GB30-40 T able 8-7 (2 of 2) T est Configuration Options V54 Address: Disable Nxt Disable (Address V alues) V .54 Address. Determines which remote 3800 Plus modem is placed into a remote loopback test.
Configure Branch 8-43 3980-A2-GB30-40 October 1998 Misc The Miscellaneous configuration options determine specifics for various functions, including network management parameters and remote modem access.
COMSPHERE 3800 Plus Modems 8-44 October 1998 3980-A2-GB30-40 T able 8-8 (2 of 3) Miscellaneous Configuration Options Speaker V olume: Medium Nxt Medium Low High Speaker V olume.
Configure Branch 8-45 3980-A2-GB30-40 October 1998 T able 8-8 (3 of 3) Miscellaneous Configuration Options NMS_Call_Msgs: CallCnct&Prg Nxt CallCnct&Prg Disable CallCnctOnly CallProgOnly NMS Call Messages. Determines if modem status and/or call summary information is sent to the 6700 Series NMS.
COMSPHERE 3800 Plus Modems 8-46 October 1998 3980-A2-GB30-40 Security Configuration Options The Security Configuration Options group allows you to view and set dial access security parameters. This group appears only if the dial access security feature has been installed.
Configure Branch 8-47 3980-A2-GB30-40 October 1998 T able 8-9 (2 of 2) Security Configuration Options *DTE_PW_BkSpChar: 008 Nxt 008 DTE Password Backspace Character . Sets the character that is used to perform a backspace in security mode. This character can be set to any ASCII value from 0 to 127.
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9-1 3980-A2-GB30-40 October 1998 Control Branch Overview The Control branch of the T op-Level menu allows you to manage hardware and software functions, such as speaker volume, reset, busy out, and firmware download. The 381 1 Plus modem has the additional hardware function, Service Line.
COMSPHERE 3800 Plus Modems 9-2 October 1998 3980-A2-GB30-40 Speaker Speaker allows you to make temporary adjustments to the modem’ s speaker volume. Upon a reset, speaker volume returns to its configured setting. For more information on speaker settings, refer to the Misc section in Chapter 8, Configur e Branch .
Control Branch 9-3 3980-A2-GB30-40 October 1998 Make Busy/Remove Make Busy The Make Busy function forces the modem off-hook so it cannot answer a call. This is often used with PBX systems to permit the busy out of a PBX port for rotary or hunt groups.
COMSPHERE 3800 Plus Modems 9-4 October 1998 3980-A2-GB30-40 Download Code The Download Code function sets parameters within the modem when transferring firmware to a remote modem or when receiving firmware upgrades from a locally attached PC-based controller .
Control Branch 9-5 3980-A2-GB30-40 October 1998 W ARNING Pressing any function key now begins the transfer to the remote modem. This process takes the communications link out of service for several minutes depending upon the data rate of the link (28,800 bps = 5 minutes; 14,400 bps = 10 minutes; 9600 bps = 15 minutes; 4800 bps = 30 minutes).
COMSPHERE 3800 Plus Modems 9-6 October 1998 3980-A2-GB30-40 As data banks are transferred, the local and remote LCD’ s bottom line displays the status of the download process, and the number of records sent versus the total number of records for that bank.
10-1 3980-A2-GB30-40 October 1998 Remote Branch Overview The Remote branch of the T op-Level menu allows you to control the remote modem’ s DCP using the local modem’ s DCP . This allows you to change configuration options and control test functions in a remote modem.
COMSPHERE 3800 Plus Modems 10-2 October 1998 3980-A2-GB30-40 Remote DCP access is accomplished using either the primary or secondary channel (if available) of the VF line.
Remote Branch 10-3 3980-A2-GB30-40 October 1998 The T op-Level menu of the remote 3800 Plus modem is similar to the local 3800 Plus modem with the following exceptions: • Change Directory is the only function available under the Call Setup branch.
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1 1-1 3980-A2-GB30-40 October 1998 Security Overview NOTE This chapter supports the operation of dial access security for COMSPHERE 3800 Plus modems. This chapter is self-supporting and can be removed to prevent unwanted knowledge of dial access security operation.
COMSPHERE 3800 Plus Modems 1 1-2 October 1998 3980-A2-GB30-40 Originate Access Security Originate Access lets you control who can originate a call from a local modem via the A T command set. This is useful in LAN and modem pooling applications. W ith Originate Access security , a local user ’ s password is embedded in the A T dial command.
Security 1 1-3 3980-A2-GB30-40 October 1998 NOTE While pulse dial can be used to originate the call, DTMF tones must be used for the password. This can be accomplished by using the P and T modifiers appropriately . Refer to the Dial command in Chapter 13, AT Command Set and S-Registers , for more on modifiers.
COMSPHERE 3800 Plus Modems 1 1-4 October 1998 3980-A2-GB30-40 Security Branch The Security branch of the T op-Level menu allows you to change and save parameters that are critical to the dial access security password database.
Security 1 1-5 3980-A2-GB30-40 October 1998 T o enter your Administrative Password from Set_Access_Ctrl, make the following selections: F1 Security > Set_Access_Ctrl F2 F3 Select Set_Access_Ctrl from the Security branch. F1 Admin Password? Ent ąĄ 0 0000000 F2 F3 The Administrative Password appears.
COMSPHERE 3800 Plus Modems 1 1-6 October 1998 3980-A2-GB30-40 F1 Select Index Ent ąĄ " 0 001 F2 F3 Select Index appears. Press the F2 ( " ) key to increment index values. Press the key to move the cursor to the next position. Continue this sequence until the desired index appears, and then press Ent.
Security 1 1-7 3980-A2-GB30-40 October 1998 T able 1 1-1 Edit Password T able Group Options PsWdT ype xxxx Nxt Cleared DTE Entry VF_Entry VF_plus_DTE Password T ype. Indicates whether this index location is configured for VF-side password, DTE-side password, or both.
COMSPHERE 3800 Plus Modems 1 1-8 October 1998 3980-A2-GB30-40 Set Answer Sec Set Answer Security determines if dial access security is enabled or disabled.
Security 1 1-9 3980-A2-GB30-40 October 1998 Set Orig Sec Set Originate Security controls whether or not the modem can originate a call using A T commands when the dial access security feature is installed. This method of outbound security only applies to modems originating a call.
COMSPHERE 3800 Plus Modems 1 1-10 October 1998 3980-A2-GB30-40 Set Admin PsWd Set Administrative Password is used to change the Administrative Password value. The Administrative Password is an 8-digit decimal number that allows authorized users to enter the Access Security Control function.
Security 1 1-1 1 3980-A2-GB30-40 October 1998 F1 Reset Security < Erase_All_PassWd F2 F3 T o reset security , press until Erase_All_PassWd appears on the LCD. Select Erase_All_PassWd. The entire security database is erased and the Administrative Password defaults to the Reset Default password value.
COMSPHERE 3800 Plus Modems 1 1-12 October 1998 3980-A2-GB30-40 Some experimentation may be necessary to determine the number of pauses necessary for your call. A DTE-side password is entered after the modems have trained, but before a normal connection is established.
Security 1 1-13 3980-A2-GB30-40 October 1998 T able 1 1-5 is an example of a database table with passwords configured for DTE Entry only . This type of password is entered via the originating user ’ s DTE.
COMSPHERE 3800 Plus Modems 1 1-14 October 1998 3980-A2-GB30-40 T able 1 1-7 is an example of a security database table that uses paired VF and DTE passwords for use in VF_w/_DTE answer security mode.
12-1 3980-A2-GB30-40 October 1998 Fax Operation Overview The procedures for sending and receiving facsimile documents with your modem depend on the fax software you use. This chapter does not contain specific procedures, but rather information that may make it easier for you to use the documentation that came with your fax software.
COMSPHERE 3800 Plus Modems 12-2 October 1998 3980-A2-GB30-40 Y our fax software uses A T commands to tell the modem what to do. These commands, and the replies your modem makes (such as “OK”) may be displayed on your computer terminal during fax operation, but this depends on your software.
13-1 3980-A2-GB30-40 October 1998 A T Command Set and S-Registers Overview The A T command set provides an alternative method to the front panel for entering commands that control the operation and configuration of the 3800 Plus modems. A T commands are issued from an asynchronous DTE (such as a personal computer).
COMSPHERE 3800 Plus Modems 13-2 October 1998 3980-A2-GB30-40 • All commands (except A/ (repeat last command) and +++) must begin with the characters A T and end by pressing the Enter key . The A T (or at) prefix clears the command buffer and matches the modem speed and parity to that of the DTE.
A T Command Set and S-Registers 13-3 3980-A2-GB30-40 October 1998 T able 13-1 (1 of 15) 3800 Plus A T Commands A T Command Description Front Panel Branch A/ Repeat Last Command Re-executes last command string. (Not to be preceded with A T or followed by pressing the Return key .
COMSPHERE 3800 Plus Modems 13-4 October 1998 3980-A2-GB30-40 T able 13-1 (2 of 15) 3800 Plus A T Commands A T Command Front Panel Branch Description D n Dial Begins the dialing sequence. The dial string n (modifiers and telephone number) is entered after the D command.
A T Command Set and S-Registers 13-5 3980-A2-GB30-40 October 1998 T able 13-1 (3 of 15) 3800 Plus A T Commands A T Command Front Panel Branch Description DS= n Dial Stored Number Dials the number stored in Location n (1–10). (T o store a telephone number , refer to the &Z n=x command.
COMSPHERE 3800 Plus Modems 13-6 October 1998 3980-A2-GB30-40 T able 13-1 (4 of 15) 3800 Plus A T Commands A T Command Front Panel Branch Description P Pulse Dial Sets the modem for pulse dial mode. See the D n command. ConfigureEdit Line Dialer Q n Result Codes Q0 Enables modem to send result codes to the DTE.
A T Command Set and S-Registers 13-7 3980-A2-GB30-40 October 1998 T able 13-1 (5 of 15) 3800 Plus A T Commands A T Command Front Panel Branch Description X n Extended Result Code, Dial T one Detect, a.
COMSPHERE 3800 Plus Modems 13-8 October 1998 3980-A2-GB30-40 T able 13-1 (6 of 15) 3800 Plus A T Commands A T Command Front Panel Branch Description +FCLASS= n Service Class Selection Normally set by fax software, Service Class Selection determines the fax protocol.
A T Command Set and S-Registers 13-9 3980-A2-GB30-40 October 1998 T able 13-1 (7 of 15) 3800 Plus A T Commands A T Command Front Panel Branch Description &F n Select Factory Default Configuration Options Loads factory configuration options into Active (Operating) area.
COMSPHERE 3800 Plus Modems 13-10 October 1998 3980-A2-GB30-40 T able 13-1 (8 of 15) 3800 Plus A T Commands A T Command Front Panel Branch Description & I Dial T ransmit Level When Dial T ransmit Level T ype is set to Permissive, & I n sets Dial T ransmit Level to a value between –10 and –32 dBm.
A T Command Set and S-Registers 13-1 1 3980-A2-GB30-40 October 1998 T able 13-1 (9 of 15) 3800 Plus A T Commands A T Command Front Panel Branch Description &M n and &Q n Async/Sync Mode and DTE Dialer T ype &M0, &Q0 Modem operates in Asynchronous mode and uses A T Command protocol.
COMSPHERE 3800 Plus Modems 13-12 October 1998 3980-A2-GB30-40 T able 13-1 (10 of 15) 3800 Plus A T Commands A T Command Front Panel Branch Description &T n T ests &T0 Abort. Stops any test in progress. &T1 Local Analog Loop. &T2 Pattern.
A T Command Set and S-Registers 13-13 3980-A2-GB30-40 October 1998 T able 13-1 (1 1 of 15) 3800 Plus A T Commands A T Command Front Panel Branch Description A n Error Control Maximum Frame Size A0 64 A1 128 A2 192 A3 256 A4 32 A5 16 ConfigureEdit V42/MNP/Buffer C n Error Control Negotiate Buffer C0 Disable.
COMSPHERE 3800 Plus Modems 13-14 October 1998 3980-A2-GB30-40 T able 13-1 (12 of 15) 3800 Plus A T Commands A T Command Front Panel Branch Description Q n Flow Control of DTE, Flow Control of Modem Fl.
A T Command Set and S-Registers 13-15 3980-A2-GB30-40 October 1998 T able 13-1 (13 of 15) 3800 Plus A T Commands A T Command Front Panel Branch Description %B n , %BL n Modulation/Data Rate Sets the modulation and maximum dial VF rate.
COMSPHERE 3800 Plus Modems 13-16 October 1998 3980-A2-GB30-40 T able 13-1 (14 of 15) 3800 Plus A T Commands A T Command Front Panel Branch Description %R Async DTE Rate Sets the DTE rate for Asynchronous mode. This configuration option has no effect in Sync or Async Direct modes, where the DTE rate always equals the VF rate.
A T Command Set and S-Registers 13-17 3980-A2-GB30-40 October 1998 T able 13-1 (15 of 15) 3800 Plus A T Commands A T Command Front Panel Branch Description #SC n Sync Comp Mode Enables and disables synchronous data compression. #SC0 Disable Synchronous Data Compression mode.
COMSPHERE 3800 Plus Modems 13-18 October 1998 3980-A2-GB30-40 S-Register List S-registers af fect the operating parameters of 3800 Plus modems. S-registers are only applicable when the DTE Dialer T ype configuration option is set for A T . (See &M n command.
A T Command Set and S-Registers 13-19 3980-A2-GB30-40 October 1998 T able 13-2 (2 of 15) 3800 Plus S-Registers A T Command Front Panel Branch Description S4 Line Feed Character Register determines ASCII value used as the line feed character . Enter a value from 0–127 for the line feed character .
COMSPHERE 3800 Plus Modems 13-20 October 1998 3980-A2-GB30-40 T able 13-2 (3 of 15) 3800 Plus S-Registers A T Command Front Panel Branch Description S14 Asymmetric Rate Mode – Dial Line Register determines whether VF rates for transmitting and receiving are identical when using V .
A T Command Set and S-Registers 13-21 3980-A2-GB30-40 October 1998 T able 13-2 (4 of 15) 3800 Plus S-Registers A T Command Front Panel Branch Description S28 SDC Negotiation Controls negotiation between two modems attempting to connect using SDC. Register has the following values: 0 = LAPM_Buffer 1 = LAPM_Discon The factory setting is LAPM_Buffer .
COMSPHERE 3800 Plus Modems 13-22 October 1998 3980-A2-GB30-40 T able 13-2 (5 of 15) 3800 Plus S-Registers A T Command Front Panel Branch Description S32 SyncDTE CRC Determines whether the CRC of the DTE frame is transmitted from modem to modem. Register has the following values: 0 = Ignore 1 = CRC16 The factory setting is Ignore.
A T Command Set and S-Registers 13-23 3980-A2-GB30-40 October 1998 T able 13-2 (6 of 15) 3800 Plus S-Registers A T Command Front Panel Branch Description S37 DTR Auto Redial DTR Auto Redial allows repeated automatic dial backup attempts by specifying the range of Directory Locations that can be tried.
COMSPHERE 3800 Plus Modems 13-24 October 1998 3980-A2-GB30-40 T able 13-2 (7 of 15) 3800 Plus S-Registers A T Command Front Panel Branch Description S41 Dial-Line Rate Register determines the modem’s data rate and modulation scheme for operation on dial lines.
A T Command Set and S-Registers 13-25 3980-A2-GB30-40 October 1998 T able 13-2 (8 of 15) 3800 Plus S-Registers A T Command Front Panel Branch Description S44 Leased-Line Rate Register determines the modem’s data rate and modulation scheme for operation on either 2-wire or 4-wire leased lines in either Answer or Originate mode.
COMSPHERE 3800 Plus Modems 13-26 October 1998 3980-A2-GB30-40 T able 13-2 (9 of 15) 3800 Plus S-Registers A T Command Front Panel Branch Description S47 Auto Dial Standby Register determines if the modem performs an automatic dial standby if in Dial Backup mode.
A T Command Set and S-Registers 13-27 3980-A2-GB30-40 October 1998 T able 13-2 (10 of 15) 3800 Plus S-Registers A T Command Front Panel Branch Description S53 V .54 Address Identifies the address of the modem to be placed in a loopback test. Register has the following values: 0 =Disable 1–34 =Modem address Factory setting is Disable.
COMSPHERE 3800 Plus Modems 13-28 October 1998 3980-A2-GB30-40 T able 13-2 (1 1 of 15) 3800 Plus S-Registers A T Command Front Panel Branch Description S62 V .25bis Coding Register identifies to the modem the type of coding used by the DTE while in V .
A T Command Set and S-Registers 13-29 3980-A2-GB30-40 October 1998 T able 13-2 (12 of 15) 3800 Plus S-Registers A T Command Front Panel Branch Description S74 Network Position Identification Register identifies each modem as either a control or tributary modem.
COMSPHERE 3800 Plus Modems 13-30 October 1998 3980-A2-GB30-40 T able 13-2 (13 of 15) 3800 Plus S-Registers A T Command Front Panel Branch Description S80 No Data Disconnect T rigger Signal Register de.
A T Command Set and S-Registers 13-31 3980-A2-GB30-40 October 1998 T able 13-2 (14 of 15) 3800 Plus S-Registers A T Command Front Panel Branch Description S88 Straps When Disconnected Register determines whether the Active(Operating) area is reloaded upon a disconnect.
COMSPHERE 3800 Plus Modems 13-32 October 1998 3980-A2-GB30-40 T able 13-2 (15 of 15) 3800 Plus S-Registers A T Command Front Panel Branch Description S92 V .
A-1 3980-A2-GB30-40 October 1998 Menu T ree Overview The following pages hold graphic representations of the general menu structure of the front panel or SDCP displays. The model, installed features, and configuration options all may affect what is actually displayed at each level of the menus.
COMSPHERE 3800 Plus Modems A-2 October 1998 3980-A2-GB30-40 Call_Setup Status T est “Status” Dial Disconnect Answer Dial_Standby or Return_to_Dial Change_Directory Directory Locations 1 – 10 Abo.
Menu T ree A-3 3980-A2-GB30-40 October 1998 Configure Ld EditArea frm: Edit Save Choose Function Active (Sav ed) Customer1 Customer2 V42/MNP/Buffer Err Contrl Mode Sync Comp Mode SDC Negotiation SDC I.
COMSPHERE 3800 Plus Modems A-4 October 1998 3980-A2-GB30-40 Control Remote Speaker Reset Make_Busy or RemoveMakeBusy Service_Line or DiscServLine Download Code Secondary Prim (data blc kd) ( ExitRem appears instead of Remote when using Remote Mode) Does not appear in Remote Mode.
B-1 3980-A2-GB30-40 October 1998 Result Codes Overview T able B-1 lists all the result codes 3800 Plus modems may send to the DTE. Result codes can be numeric or verbal, terse or extended. See the Q n , V n , and X n commands in Chapter 13, A T Command Set and S-Registers for more information.
COMSPHERE 3800 Plus Modems B-2 October 1998 3980-A2-GB30-40 T able B-1 (2 of 3) Result Codes Numbers (1) Description Word Numbers (2) *Appears when the Extended Result Codes configuration option is enabled. ** Appears when the Extended Result Codes configuration option is set for Use_DTE_Rate.
Result Codes B-3 3980-A2-GB30-40 October 1998 T able B-1 (3 of 3) Result Codes Numbers (1) Description Word Numbers (2) 43 43 CONNECT 21600/ EC*** Connection at 21,600 bps with error control 44 44 CON.
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C-1 3980-A2-GB30-40 October 1998 T roubleshooting Overview Appendix B, Result Codes , points out basic problems that can occur when operating a 3800 Plus modem.
COMSPHERE 3800 Plus Modems C-2 October 1998 3980-A2-GB30-40 T able C-2 Modem – DTE Connection Symptom Action Modem does not accept or echo back A T commands V erify that the cable between the Async port of the DTE and the modem is a standard RS-232 cable.
T roubleshooting C-3 3980-A2-GB30-40 October 1998 T able C-3 (2 of 2) Modem – VF Connection Symptom Action Modem goes off-hook, answers, but does not connect Perform a Local Analog Loopback test and verify that data entered at the DTE is echoed back to the DTE.
COMSPHERE 3800 Plus Modems C-4 October 1998 3980-A2-GB30-40 T able C-4 Online Operation Symptom Action Data scrambled V erify that the character format (data bits, parity , and stop bits) is set to the same value in both modems. Missing data during a transfer V erify that you are using the same method of flow control for both the modem and the DTE.
D-1 3980-A2-GB30-40 October 1998 T echnical Specifications T able D-1 shows the technical specifications for 3800 Plus modems. T able D-1 (1 of 3) T echnical Specifications for COMSPHERE 3800 Plus Modems Specifications Criteria APPROV ALS (1 10 V ac, 60 Hz only) FCC Part 15 Class A FCC Part 68 Registration Number: (See label on modem.
COMSPHERE 3800 Plus Modems D-2 October 1998 3980-A2-GB30-40 T able D-1 (2 of 3) T echnical Specifications for COMSPHERE 3800 Plus Modems Specifications Criteria COMP A TIBILITY DIAL-LINE MODULA TIONS ITU-T V .34 (33,600, 31,200, 28,800, 26,400, 24,000, 21,600, 19,200, 16,800, 14,400,12,000, 9600, 7200, 4800, 2400 bps) Proprietary V .
T echnical Specifications D-3 3980-A2-GB30-40 October 1998 T able D-1 (3 of 3) T echnical Specifications for COMSPHERE 3800 Plus Modems Specifications Criteria AC POWER REQUIREMENTS 3810 Plus 1 10 V a.
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E-1 3980-A2-GB30-40 October 1998 Pin Assignments Appendix E lists the pin assignments for EIA-232-D and VF TELCO interfaces, and shows the wiring diagram for an 8-position to 6-position cable.
COMSPHERE 3800 Plus Modems E-2 October 1998 3980-A2-GB30-40 EIA-232-D Pin Assignments T able E-1 lists the EIA-232-D pin assignments for the modem. T able E-1 EIA-232-D Pin Assignments RS-232 Pin Name.
Pin Assignments E-3 3980-A2-GB30-40 October 1998 VF Connector Pin Assignments T able E-2 lists the connector pin assignments for 3810 Plus modular jacks and the pin assignments for the TELCO jacks (Figure E-1).
COMSPHERE 3800 Plus Modems E-4 October 1998 3980-A2-GB30-40 JM8 to RJ1 1 Crossover Cable For 2-wire leased-line connections to a JM8 network interface, an 8-position to 6-position crossover cable (see.
F-1 3980-A2-GB30-40 October 1998 ITU-T V .25bis Dialing Commands and Responses Overview ITU-T V .25bis is an international dialing protocol that permits direct and stored number dialing using DTEs in either Asynchronous, Bisynchronous, or HDLC operating mode.
COMSPHERE 3800 Plus Modems F-2 October 1998 3980-A2-GB30-40 Call Response Call Failure Indication (CFI) The CFI response is issued to the DTE if the modem fails a CRN or CRS command. CFI is similar to the A T result codes BUSY , NO ANSWER, NO CARRIER, NO DIAL TONE, and ERROR.
ITU-T V .25bis Dialing Commands and Responses F-3 3980-A2-GB30-40 October 1998 Program Normal (PRN) The Program Normal (PRN) command allows the DTE to enter and store a telephone number to a specific directory location. PRN is similar to the A T&Z command.
COMSPHERE 3800 Plus Modems F-4 October 1998 3980-A2-GB30-40 T able F-1 V .25bis Commands V .25bis Command Description A T Command/ S-Register Equivalent CALL REQUEST COMMANDS CRN Call Request with Num.
G-1 3980-A2-GB30-40 October 1998 Default Configuration Options Overview T able G-1 lists all default configuration options for the main four factory preset configurations.
COMSPHERE 3800 Plus Modems G-2 October 1998 3980-A2-GB30-40 T able G-1 (2 of 5) Factory Default Configuration Options Configuration Option Sync Leased Answer/ Originate Mode Default Settings Sync Dial.
Default Configuration Options G-3 3980-A2-GB30-40 October 1998 T able G-1 (3 of 5) Factory Default Configuration Options Configuration Option Sync Leased Answer/ Originate Mode Default Settings Sync Dial Default Settings Async Dial and UNIX Dial Default Settings DIAL LINE Modulation Dial Line Rate Automode Autorate Dial T ransmit Level V .
COMSPHERE 3800 Plus Modems G-4 October 1998 3980-A2-GB30-40 T able G-1 (4 of 5) Factory Default Configuration Options Configuration Option Sync Leased Answer/ Originate Mode Default Settings Sync Dial Default Settings Async Dial and UNIX Dial Default Settings V .
Default Configuration Options G-5 3980-A2-GB30-40 October 1998 T able G-1 (5 of 5) Factory Default Configuration Options Configuration Option Sync Leased Answer/ Originate Mode Default Settings Sync D.
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H-1 3980-A2-GB30-40 October 1998 Equipment List Equipment Feature/Part Number Model 3810 Plus (1 10 v) 3980-A2-201 Model 381 1 Plus 3981-B1-001 V .29 Feature 3980-C1-002 V .
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I-1 3980-A2-GB30-40 October 1998 Synchronous Data Compression Overview The Paradyne proprietary Synchronous Data Compression (SDC) feature allows an increase of throughput in data transmission, and has an error correcting procedure so that transmitted data is less sensitive to channel disturbances.
COMSPHERE 3800 Plus Modems I-2 October 1998 3980-A2-GB30-40 When the transmit clock is provided by the DTE, the receive clock is set by the modem equal to the DTE clock. When SDC is in use, the Tx Clock Source configuration option cannot be set to Receiver Clock Loop.
Synchronous Data Compr ession I-3 3980-A2-GB30-40 October 1998 T able I-1 SDC Negotiation Configuration Scenarios Originating Modem Answering Modem Negotiation Results SDC enabled with LAPM_Buffer negotiation. SDC enabled. SDC connection. SDC enabled with LAPM_Discon negotiation.
COMSPHERE 3800 Plus Modems I-4 October 1998 3980-A2-GB30-40 T uning SDC Efficiency SDC efficiency is dependent on the configuration parameters of the DTE and the modem. DTE Configuration The way DTE parameters are changed, and whether they can be changed, depends on your DTE.
Glossary-1 3980-A2-GB30-40 October 1998 Glossary A configuration area containing configuration options currently in use by the modem. When a power cycle occurs, a reset is performed, or a save is issued using the DCP , this area is updated with the contents of Active (Saved).
COMSPHERE 3800 Plus Modems Glossary-2 October 1998 3980-A2-GB30-40 T o adjust to varying VF line conditions by changing the data rate to a higher or lower rate after connection. The lowest rate the modem autorates to is 4800 bps; the highest possible rate depends on the modulation the modems connected with.
Glossary Glossary-3 3980-A2-GB30-40 October 1998 An outlet on equipment and cables that provides a connection. Central Processing Unit. The main or only computing device in a data processing system. Canadian Standards Association. Clear T o Send. A signal indicating that the device is ready for the DTE to transmit data.
COMSPHERE 3800 Plus Modems Glossary-4 October 1998 3980-A2-GB30-40 Data T erminal Ready . A signal from the DTE to the modem, sent via Pin 20 of the EIA-232 interface (V .24 circuit 108/1, /2), that indicates the DTE is turned ON and connected to the modem.
Glossary Glossary-5 3980-A2-GB30-40 October 1998 T he T elecommunications Standardization Sector of the International T elecommunications Union, an advisory committee established by the United Nations to recommend communications standards and policies.
COMSPHERE 3800 Plus Modems Glossary-6 October 1998 3980-A2-GB30-40 The state of a modem that is connected to and communicating with another modem. The modem is in a state where it is ready to transmit a call. In a dial network, it is the modem that makes the call.
Glossary Glossary-7 3980-A2-GB30-40 October 1998 Shared Diagnostic Control Panel. A feature that allows carrier-mounted devices to share the same diagnostic control panel.
COMSPHERE 3800 Plus Modems Glossary-8 October 1998 3980-A2-GB30-40 An ITU-T standard for modems operating full-duplex with asynchronous or synchronous data over dial networks (PSTN) or leased lines at 14,400, 12,000, 9600, 7200, or 4800 bps. A modulation that adds the 19,200 bps and 16,800 bps data rates to the V .
Index-1 3980-A2-GB30-40 October 1998 Index A A/ (Repeat Last Command), 13-3 Abort (T est branch), 7-2 ac power connection, 2-4 requirements, D-3 Access from Remote, 8-44 Active (Operating) configurati.
COMSPHERE 3800 Plus Modems Index-2 October 1998 3980-A2-GB30-40 B Backspace Character, 8-16 Bad Lines Auto Originate, 8-30 Bell Mode, 13-3 Blind Dial Pause, 8-19 Break Buffer Control, 8-38 Break Forces Escape, 8-15 Buffer Size in Buf fer Mode, 8-40 Busy T one Detect, 8-20 C cables auxiliary , E-4 crossover, E-4 Call Answer commands (V .
Index Index-3 3980-A2-GB30-40 October 1998 DTE Rate Async, 8-7 Sync, 8-8 DTE Rate=VF Rate, 8-13 DTE rates supported, D-2 DTE Remote Loopback, 8-41 DTE RL (CT140), 13-26 DTE status, 6-4 DTE-side passwo.
COMSPHERE 3800 Plus Modems Index-4 October 1998 3980-A2-GB30-40 messages, 4-7 MI/MIC Dialing, 8-23 MNP5 Compression, 8-36 models, 1-2 carrier-mounted, 3-1 standalone, 2-1 Modem-to-Modem Flow Control, .
Index Index-5 3980-A2-GB30-40 October 1998 S14 (Asymmetric Rate Mode), 13-20 S15 (Asymmetric Rate Mode), 13-20 S18 (T est T imeout), 8-41, 13-20 S23 (Proactive Retrain), 13-20 S26 (R TS/CTS Delay), 8-.
COMSPHERE 3800 Plus Modems Index-6 October 1998 3980-A2-GB30-40 V .25bis response messages, F-3 V .29 Train On Data, 8-31, 13-32 V .42 ARQ WIndow Size, 13-31 V .
00282600 – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –.
Een belangrijk punt na aankoop van elk apparaat Paradyne 3800PLUS (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
Als u nog geen Paradyne 3800PLUS heb gekocht dan nu is een goed moment om kennis te maken met de basisgegevens van het product. Eerst kijk dan naar de eerste pagina\'s van de handleiding, die je hierboven vindt. Je moet daar de belangrijkste technische gegevens Paradyne 3800PLUS vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding Paradyne 3800PLUS leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over Paradyne 3800PLUS krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van Paradyne 3800PLUS bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de Paradyne 3800PLUS kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met Paradyne 3800PLUS . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
