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COMSPHERE 3800 P LUS MODEMS USER’S GUIDE Document No. 3980-A2-GB30-20 November 1996.
COMSPHERE 3800 Plus Modems A November 1996 3980-A2-GB30-20 COMSPHERE 3800 Plus Modems User ’ s Guide 3980-A2-GB30-20 3rd Edition (November 1996) 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-GB30-20 November 1996 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 November 1996 3980-A2-GB30-20 Notices .
Government Requirements D 3980-A2-GB30-20 November 1996 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 November 1996 3980-A2-GB30-20 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-GB30-20 November 1996 T able of Contents Preface Objectives and Reader Assumptions vii . . . . . . . . . . . . . . . . . . . . . . . . . . . How to Use This Manual vii . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Related Documents vii .
COMSPHERE 3800 Plus Modems ii November 1996 3980-A2-GB30-20 4. Front Panel Operation Overview 4-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Diagnostic Control Panels 4-1 . . . . . . . . . . . . . .
T able of Contents iii 3980-A2-GB30-20 November 1996 12. Fax Operation Overview 12-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fax Operation 12-1 . . . . . . . . . . . . . . . . . . . . . . . . . .
COMSPHERE 3800 Plus Modems iv November 1996 3980-A2-GB30-20 List of Figures Figure Page 2-1 3810 Plus and 3820 Plus Modem 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 3810 Plus Rear Panel 2-3 . . . . . . . . .
T able of Contents v 3980-A2-GB30-20 November 1996 List of T ables T able Page 4-1 3800 Plus DCP LEDs 4-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 SDCP LEDs 4-4 . . . . . . . . . . . . . . .
vii 3980-A2-GB30-20 November 1996 Preface Objectives and Reader Assumptions This manual describes how to install and operate the 3810 Plus , 3820 Plus (standalone), and 381 1 Plus (carrier-mounted) modems. The reader is assumed to have a basic understanding of modems and their operation.
1-1 3980-A2-GB30-20 November 1996 Introduction Overview 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Features 1-1 . . . . . . . . . . . . . . . .
COMSPHERE 3800 Plus Modems 1-2 November 1996 3980-A2-GB30-20 • Class 1 and Class 2 Group III Fax modulations: CCITT 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-GB30-20 November 1996 3810 Plus and 3820 Plus Installation Overview 2-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3810 Plus and 3820 Plus Modem Package 2-1 .
COMSPHERE 3800 Plus Modems 2-2 November 1996 3980-A2-GB30-20 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 and 3820 Plus Installation 2-3 3980-A2-GB30-20 November 1996 • An 8-pin modular keyed jack for 4-wire/2-wire leased lines (3810 Plus only). • An 6-pin modular keyed jack for dial (PSTN) lines (and, for 3820 Plus only , 2-wire leased lines).
COMSPHERE 3800 Plus Modems 2-4 November 1996 3980-A2-GB30-20 495-14680 DB-25-P CONNECTOR FOR D ATA TERMINAL EQUIPMENT OPERA TION SUB-MINIA TURE 4-POSITION PLUG FOR NETWORK MANAGEMENT SYSTEM OPERA TION POWER SUPPL Y 6-POSITION PLUG FOR PERMISSIVE DIAL NETWORK OPERA TION OR 2-WIRE LEASED LINE OFF DIAL LEASED (3820 Plus ) DTE 1 NMS PWR ON Figure 2-3.
3810 Plus and 3820 Plus Installation 2-5 3980-A2-GB30-20 November 1996 3820 Plus 2-Wire Leased-Line Network Connection Obtain a JM8 to RJ1 1 (8-position to 6-position) crossover modular cable. See the equipment list in Appendix H for part number information, and Appendix E for a wiring diagram.
COMSPHERE 3800 Plus Modems 2-6 November 1996 3980-A2-GB30-20 Modem Power-Up Once your modem is properly connected to the DTE, dial and/or leased lines, and ac outlet, press the modem’ s rear panel power switch to the ON position. The modem begins a power-up self-test.
3-1 3980-A2-GB30-20 November 1996 381 1 Plus Installation Overview 3-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3811 Plus Modem Package 3-1 . . .
COMSPHERE 3800 Plus Modems 3-2 November 1996 3980-A2-GB30-20 — 50-pin to modular cable (JM8) for leased line applications • One 6-position to 6-position modular cord (required for network management applications). • A Shared Diagnostic Control Panel (SDCP).
381 1 Plus Installation 3-3 3980-A2-GB30-20 November 1996 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 November 1996 3980-A2-GB30-20 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-GB30-20 November 1996 Front Panel Operation Overview 4-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Diagnostic Control Panels 4-1 . . .
COMSPHERE 3800 Plus Modems 4-2 November 1996 3980-A2-GB30-20 381 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.
Front Panel Operation 4-3 3980-A2-GB30-20 November 1996 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 November 1996 3980-A2-GB30-20 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-GB30-20 November 1996 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 November 1996 3980-A2-GB30-20 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.
Front Panel Operation 4-7 3980-A2-GB30-20 November 1996 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 November 1996 3980-A2-GB30-20 T able 4-3 (2 of 3) T op Level Menu Status Normal Call Setup Messages Indicates Off Hook The modem is of f-hook and waiting to dial a telephone number . Dialing The remote modem is being dialed.
Front Panel Operation 4-9 3980-A2-GB30-20 November 1996 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 November 1996 3980-A2-GB30-20 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-GB30-20 November 1996 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 November 1996 3980-A2-GB30-20 • 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-GB30-20 November 1996 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.
5-1 3980-A2-GB30-20 November 1996 Call Setup Branch Overview 5-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Call Setup Branch 5-2 . . . . . . . . .
COMSPHERE 3800 Plus Modems 5-2 November 1996 3980-A2-GB30-20 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-GB30-20 November 1996 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 November 1996 3980-A2-GB30-20 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-GB30-20 November 1996 To 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 November 1996 3980-A2-GB30-20 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-GB30-20 November 1996 Status Branch Overview 6-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Status Branch 6-1 . . . . . . . . . . . . .
COMSPHERE 3800 Plus Modems 6-2 November 1996 3980-A2-GB30-20 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-GB30-20 November 1996 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 November 1996 3980-A2-GB30-20 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-GB30-20 November 1996 To 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 To display sequence faults, select Display .
7-1 3980-A2-GB30-20 November 1996 T est Branch Overview 7-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T est Branch 7-2 . . . . . . . . . . . . . .
COMSPHERE 3800 Plus Modems 7-2 November 1996 3980-A2-GB30-20 T est Branch To 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-GB30-20 November 1996 Loc Analog Loop Loc Analog Loop performs a local analog loopback (CCITT 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 November 1996 3980-A2-GB30-20 Rem Digital Loop Rem Digital Loop performs a remote digital loopback (CCITT 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-GB30-20 November 1996 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 a CCITT V .54 Loop 2 except it is issued at your modem.
COMSPHERE 3800 Plus Modems 7-6 November 1996 3980-A2-GB30-20 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-GB30-20 November 1996 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.
8-1 3980-A2-GB30-20 November 1996 Configure Branch Overview 8-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Configure Branch 8-4 . . . . . . . . . .
COMSPHERE 3800 Plus Modems 8-2 November 1996 3980-A2-GB30-20 Figures 8-1 and 8-2 graphically display the interaction between the edit area and configuration areas as viewed from the perspective of the DCP and the A T command set.
Configure Branch 8-3 3980-A2-GB30-20 November 1996 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 TE.
COMSPHERE 3800 Plus Modems 8-4 November 1996 3980-A2-GB30-20 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-GB30-20 November 1996 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 November 1996 3980-A2-GB30-20 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-GB30-20 November 1996 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 November 1996 3980-A2-GB30-20 T able 8-1 (2 of 7) DTE Interface Configuration Options *Async #Data Bits: 8 Nxt 8 7 9(DirectMde) 6(DirectMde) Asynchronous Number of Data Bits. Determines if the asynchronous data length is composed of 6, 7, 8, or 9 data bits.
Configure Branch 8-9 3980-A2-GB30-20 November 1996 T able 8-1 (3 of 7) DTE Interface Configuration Options DTR Action: Ignore Nxt Stndrd_RS232 Ignore CntrlsOnHook Off=ReloadStrp Off=CmdMode Data T erminal Ready Action. DTR is a signal from the DTE to the modem indicating that the DTE is connected and ready for operation.
COMSPHERE 3800 Plus Modems 8-10 November 1996 3980-A2-GB30-20 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-GB30-20 November 1996 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 November 1996 3980-A2-GB30-20 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-GB30-20 November 1996 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 November 1996 3980-A2-GB30-20 DTE Dialer The DTE Dialer configuration options establish the DTE-to-modem protocol for call establishment and control.
Configure Branch 8-15 3980-A2-GB30-20 November 1996 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 November 1996 3980-A2-GB30-20 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-GB30-20 November 1996 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 November 1996 3980-A2-GB30-20 T able 8-2 (5 of 5) DTE Dialer Configuration Options V25bis IdleFill: Mark Nxt Mark Flag V .25bis Idle Fill. Determines whether a mark or flag is used as an idle fill character for the DTE.
Configure Branch 8-19 3980-A2-GB30-20 November 1996 Line Dialer The Line Dialer configuration options establish parameters used by the modem to answer or originate calls.
COMSPHERE 3800 Plus Modems 8-20 November 1996 3980-A2-GB30-20 T able 8-3 (2 of 4) 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-GB30-20 November 1996 T able 8-3 (3 of 4) 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 November 1996 3980-A2-GB30-20 T able 8-3 (4 of 4) Line Dialer Configuration Options MakeBusyViaDTR: Disable Nxt Disable Enable Make Busy Via DTR. Determines if the modem goes of f-hook when DTR is Off. Enable this setting if the DTE normally keeps DTR ON and turns DTR Off when the DTE cannot accept a call.
Configure Branch 8-23 3980-A2-GB30-20 November 1996 Dial Line The Dial Line configuration options are used to configure the modem for operation over dial lines.
COMSPHERE 3800 Plus Modems 8-24 November 1996 3980-A2-GB30-20 T able 8-4 (2 of 4) Dial Line Configuration Options Automode: Enable Nxt Enable Disable System 85 Automode.
Configure Branch 8-25 3980-A2-GB30-20 November 1996 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 dBm –1.
COMSPHERE 3800 Plus Modems 8-26 November 1996 3980-A2-GB30-20 T able 8-4 (4 of 4) Dial 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 8-27 3980-A2-GB30-20 November 1996 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.
COMSPHERE 3800 Plus Modems 8-28 November 1996 3980-A2-GB30-20 T able 8-5 (2 of 4) Leased Line Configuration Options *LeasedLine Rate: 28800(V34) Nxt 28800(V34) 33600 31200 26400(V34) 24000(V34) 21600(.
Configure Branch 8-29 3980-A2-GB30-20 November 1996 T able 8-5 (3 of 4) 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– 13 –1 4 – 15 Leased T ransmit Level. Selects the modem’ s transmit power level over leased lines.
COMSPHERE 3800 Plus Modems 8-30 November 1996 3980-A2-GB30-20 T able 8-5 (4 of 4) 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. W orks in conjunction with the Bad Lines Auto Originate and Rate Auto Originate options.
Configure Branch 8-31 3980-A2-GB30-20 November 1996 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 8-32 November 1996 3980-A2-GB30-20 T able 8-6 (2 of 6) V .42/MNP/Buffer Configuration Options *V42bis Compress: Enable Nxt Enable Disable V .42bis Compression. Enables or disables V .42bis data compression. Enable – Data compression operates in both the transmit and receive directions.
Configure Branch 8-33 3980-A2-GB30-20 November 1996 T able 8-6 (3 of 6) V .42/MNP/Buffer Configuration Options *EC Fallbck Char: 013 ASCI Nxt " 013 ASCI Error Control Fallback Character . This configuration option allows you to enter the ASCII value of the error control fallback character .
COMSPHERE 3800 Plus Modems 8-34 November 1996 3980-A2-GB30-20 T able 8-6 (4 of 6) V .42/MNP/Buffer Configuration Options *XON/XOFF Psthru: Disable Nxt Disable Enable XON/XOFF Passthrough. Considers an XON/XOFF character as data and passes it on to the remote modem.
Configure Branch 8-35 3980-A2-GB30-20 November 1996 T able 8-6 (5 of 6) V .42/MNP/Buffer Configuration Options *Send Break Cntl: Data-First Nxt Data-First Break-First Send Break Control. Determines what is sent from the modem first, data or break if a break sequence is sent from the DTE.
COMSPHERE 3800 Plus Modems 8-36 November 1996 3980-A2-GB30-20 T able 8-6 (6 of 6) V .42/MNP/Buffer Configuration Options *CellularEnhance: Disable End Disable Enable Enables or disables V .42 Cellular Enhancement mode. Disable – The modem uses standard techniques for V .
Configure Branch 8-37 3980-A2-GB30-20 November 1996 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 8-38 November 1996 3980-A2-GB30-20 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 8-39 3980-A2-GB30-20 November 1996 Misc The Miscellaneous configuration options determine specifics for various functions, including network management parameters and remote modem access.
COMSPHERE 3800 Plus Modems 8-40 November 1996 3980-A2-GB30-20 T able 8-8 (2 of 3) Miscellaneous Configuration Options Speaker V olume: Medium Nxt Medium Low High Speaker V olume.
Configure Branch 8-41 3980-A2-GB30-20 November 1996 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 8-42 November 1996 3980-A2-GB30-20 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 8-43 3980-A2-GB30-20 November 1996 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.
9-1 3980-A2-GB30-20 November 1996 Control Branch Overview 9-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Control Branch 9-1 . . . . . . . . . . . .
COMSPHERE 3800 Plus Modems 9-2 November 1996 3980-A2-GB30-20 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 7.
Control Branch 9-3 3980-A2-GB30-20 November 1996 Make Busy/Remove Make Busy The Make Busy function forces the modem of f-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 November 1996 3980-A2-GB30-20 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-GB30-20 November 1996 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 November 1996 3980-A2-GB30-20 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-GB30-20 November 1996 Remote Branch Overview 10-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Remote Branch 10-1 . . . . . . . . . . .
COMSPHERE 3800 Plus Modems 10-2 November 1996 3980-A2-GB30-20 Remote DCP access is accomplished using either the primary or secondary channel (if available) of the VF line.
Remote Branch 10-3 3980-A2-GB30-20 November 1996 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.
1 1-1 3980-A2-GB30-20 November 1996 Security Overview 1 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Originate Access Security 1 1-2 . . . . . .
COMSPHERE 3800 Plus Modems 1 1-2 November 1996 3980-A2-GB30-20 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-GB30-20 November 1996 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 November 1996 3980-A2-GB30-20 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-GB30-20 November 1996 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 ą Ą " 00000000 F2 F3 The Administrative Password appears.
COMSPHERE 3800 Plus Modems 1 1-6 November 1996 3980-A2-GB30-20 F1 Select Index Ent ą Ą " 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-GB30-20 November 1996 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 November 1996 3980-A2-GB30-20 Set Answer Sec Set Answer Security determines if dial access security is enabled or disabled.
Security 1 1-9 3980-A2-GB30-20 November 1996 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 November 1996 3980-A2-GB30-20 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-GB30-20 November 1996 F1 Reset Security < Erase_All_PassWd F2 F3 To 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 November 1996 3980-A2-GB30-20 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-GB30-20 November 1996 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 November 1996 3980-A2-GB30-20 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-GB30-20 November 1996 Fax Operation Overview 12-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fax Operation 12-1 . . . . . . . . . . . .
COMSPHERE 3800 Plus Modems 12-2 November 1996 3980-A2-GB30-20 There are no Diagnostic Control Panel (DCP) functions unique to fax operation. If your fax software requires that you change the configuration of your modem, see the appropriate sections of Chapter 8, Configur e Branch .
13-1 3980-A2-GB30-20 November 1996 A T Command Set and S-Registers Overview 13-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating Modes 13-1 .
COMSPHERE 3800 Plus Modems 13-2 November 1996 3980-A2-GB30-20 Use the O command to return to Data mode from online Command mode. Enter the following command: TYPE: AT O PRESS: Enter Command Guidelines Review the following guidelines before using any A T Commands.
A T Command Set and S-Registers 13-3 3980-A2-GB30-20 November 1996 T able 13-1 (1 of 1 1) 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 November 1996 3980-A2-GB30-20 T able 13-1 (2 of 1 1) 3800 Plus A T Commands A T Command Front Panel Branch Description D n (Cont’d) , – Pause. Causes the modem to pause before processing the next character in the dial string.
A T Command Set and S-Registers 13-5 3980-A2-GB30-20 November 1996 T able 13-1 (3 of 1 1) 3800 Plus A T Commands A T Command Front Panel Branch Description L n Speaker V olume L0 Selects low volume. L1 Selects low volume. L2 Selects medium volume L3 Selects high volume.
COMSPHERE 3800 Plus Modems 13-6 November 1996 3980-A2-GB30-20 T able 13-1 (4 of 1 1) 3800 Plus A T Commands A T Command Front Panel Branch Description X n Extended Result Code, Dial T one Detect, and .
A T Command Set and S-Registers 13-7 3980-A2-GB30-20 November 1996 T able 13-1 (5 of 1 1) 3800 Plus A T Commands A T Command Front Panel Branch Description &C n LSD Control &C0 Forced On. LSD on at all times. &C1 Standard RS232. LSD is on when the remote modem’ s carrier signal is detected.
COMSPHERE 3800 Plus Modems 13-8 November 1996 3980-A2-GB30-20 T able 13-1 (6 of 1 1) 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.
A T Command Set and S-Registers 13-9 3980-A2-GB30-20 November 1996 T able 13-1 (7 of 1 1) 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.
COMSPHERE 3800 Plus Modems 13-10 November 1996 3980-A2-GB30-20 T able 13-1 (8 of 1 1) 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.
A T Command Set and S-Registers 13-1 1 3980-A2-GB30-20 November 1996 T able 13-1 (9 of 1 1) 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.
COMSPHERE 3800 Plus Modems 13-12 November 1996 3980-A2-GB30-20 T able 13-1 (10 of 1 1) 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.
A T Command Set and S-Registers 13-13 3980-A2-GB30-20 November 1996 T able 13-1 (1 1 of 1 1) 3800 Plus A T Commands A T Command Front Panel Branch Description Q n Flow Control of DTE, Flow Control of .
COMSPHERE 3800 Plus Modems 13-14 November 1996 3980-A2-GB30-20 S-Register List S-registers affect 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 13-15 3980-A2-GB30-20 November 1996 T able 13-2 (2 of 13) 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 13-16 November 1996 3980-A2-GB30-20 T able 13-2 (3 of 13) 3800 Plus S-Registers A T Command Front Panel Branch Description S14 Asymmetric Rate Mode Register determines whether VF rates for transmitting and receiving are identical when using V .
A T Command Set and S-Registers 13-17 3980-A2-GB30-20 November 1996 T able 13-2 (4 of 13) 3800 Plus S-Registers A T Command Front Panel Branch Description S37 Auto Redial Auto Redial allows repeated automatic dial backup attempts by specifying the range of Directory Locations that can be tried.
COMSPHERE 3800 Plus Modems 13-18 November 1996 3980-A2-GB30-20 T able 13-2 (5 of 13) 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 13-19 3980-A2-GB30-20 November 1996 T able 13-2 (6 of 13) 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 13-20 November 1996 3980-A2-GB30-20 T able 13-2 (7 of 13) 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 13-21 3980-A2-GB30-20 November 1996 T able 13-2 (8 of 13) 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 13-22 November 1996 3980-A2-GB30-20 T able 13-2 (9 of 13) 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 .25bis mode.
A T Command Set and S-Registers 13-23 3980-A2-GB30-20 November 1996 T able 13-2 (10 of 13) 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 13-24 November 1996 3980-A2-GB30-20 T able 13-2 (1 1 of 13) 3800 Plus S-Registers A T Command Front Panel Branch Description S80 No Data Disconnect T rigger Signal Register .
A T Command Set and S-Registers 13-25 3980-A2-GB30-20 November 1996 T able 13-2 (12 of 13) 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 13-26 November 1996 3980-A2-GB30-20 T able 13-2 (13 of 13) 3800 Plus S-Registers A T Command Front Panel Branch Description S92 V .
A-1 3980-A2-GB30-20 November 1996 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 af fect what is actually displayed at each level of the menus.
COMSPHERE 3800 Plus Modems A-2 November 1996 3980-A2-GB30-20.
Menu T ree A-3 3980-A2-GB30-20 November 1996.
COMSPHERE 3800 Plus Modems A-4 November 1996 3980-A2-GB30-20.
B-1 3980-A2-GB30-20 November 1996 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 for more information.
COMSPHERE 3800 Plus Modems B-2 November 1996 3980-A2-GB30-20 T able B-1 (2 of 3) Result Codes Numbers (1) Description Word Numbers (2) 17 17 CONNECT 16800* Connection at 16,800 bps 19 1 CONNECT 300* C.
Result Codes B-3 3980-A2-GB30-20 November 1996 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 CO.
C-1 3980-A2-GB30-20 November 1996 T roubleshooting Overview C-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Overview Appendix B points out basic problems that can occur when operating a 3800 Plus modem.
COMSPHERE 3800 Plus Modems C-2 November 1996 3980-A2-GB30-20 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-GB30-20 November 1996 T able C-3 (2 of 2) Modem – VF Connection Symptom Action Modem goes of f-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 November 1996 3980-A2-GB30-20 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.
D-1 3980-A2-GB30-20 November 1996 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 November 1996 3980-A2-GB30-20 T able D-1 (2 of 3) T echnical Specifications for COMSPHERE 3800 Plus Modems Specifications Criteria COMP A TIBILITY DIAL-LINE MODULA TIONS Proprietary V .34 (33,600, 31,200 bps) ITU-T V .34 (28,800, 26,400, 24,000, 21,600, 19,200, 16,800, 14,400,12,000, 9600, 7200, 4800, 2400 bps) V .
T echnical Specifications D-3 3980-A2-GB30-20 November 1996 T able D-1 (3 of 3) T echnical Specifications for COMSPHERE 3800 Plus Modems Specifications Criteria AC POWER REQUIREMENTS 3810 Plus and 382.
E-1 3980-A2-GB30-20 November 1996 Pin Assignments EIA-232-D Pin Assignments E-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VF Connector Pin Assignments E-3 . . . . . . . . . . . .
COMSPHERE 3800 Plus Modems E-2 November 1996 3980-A2-GB30-20 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 Nam.
Pin Assignments E-3 3980-A2-GB30-20 November 1996 VF Connector Pin Assignments T able E-2 lists the connector pin assignments for 3810 Plus and 3820 Plus modular jacks and the pin assignments for the TELCO jacks (Figure E-1).
COMSPHERE 3800 Plus Modems E-4 November 1996 3980-A2-GB30-20 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 (se.
F-1 3980-A2-GB30-20 November 1996 CCITT V .25bis Dialing Commands and Responses Overview F-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Call Request Commands F-2 .
COMSPHERE 3800 Plus Modems F-2 November 1996 3980-A2-GB30-20 Call Request Commands Call Request commands are issued from the DTE to the modem and are responsible for initiating any dial calls. Call Request commands include Call Request with Number Provided (CRN) and Call Request with Stored Memory Address Provided (CRS).
CCITT V .25bis Dialing Commands and Responses F-3 3980-A2-GB30-20 November 1996 Call Answer Commands Call Answer commands disable or enable the modem’ s AutoAnswer function. These commands are issued from the DTE. Call Answer commands include Incoming Call (INC), Disregard Incoming Call (DIC) and Connect Incoming Call (CIC).
COMSPHERE 3800 Plus Modems F-4 November 1996 3980-A2-GB30-20 Command Response A Command Response indicates that the command entered was a valid or invalid entry . Command Response includes V alid (V AL) and Invalid (INV). V alid (V AL) The V AL response indicates that the modem has accepted the V .
CCITT V .25bis Dialing Commands and Responses F-5 3980-A2-GB30-20 November 1996 T able F-2 lists V .25bis response messages supported by 3800 Plus modems.
G-1 3980-A2-GB30-20 November 1996 Default Configuration Options Overview G-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Overview T able G-1 lists all default configuration options for the main four factory preset configurations.
COMSPHERE 3800 Plus Modems G-2 November 1996 3980-A2-GB30-20 T able G-1 (2 of 4) Factory Default Configuration Options Configuration Option Sync Leased Answer/ Originate Mode Default Settings Sync Dia.
Default Configuration Options G-3 3980-A2-GB30-20 November 1996 T able G-1 (3 of 4) 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 November 1996 3980-A2-GB30-20 T able G-1 (4 of 4) Factory Default Configuration Options Configuration Option Sync Leased Answer/ Originate Mode Default Settings Sync Dial Default Settings Async Dial and UNIX Dial Default Settings TESTS DTE RL (CT140) DTE LL (CT141) T est Timeout Receive Remote Loopback V .
H-1 3980-A2-GB30-20 November 1996 Equipment List Equipment Feature/Part Number Model 3810 Plus (1 10 v) 3980-A2-201 Model 381 1 Plus 3981-B1-001 Model 3820 Plus (1 10 v) 3982-A2-201 V .
Glossary-1 3980-A2-GB30-20 November 1996 Glossary Active (Operating) 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 November 1996 3980-A2-GB30-20 automatic dial backup When leased-line operation fails, this function forces the modem to dial the telephone number stored in directory location 1; communication over the dial network continues with the remote modem.
Glossary Glossary-3 3980-A2-GB30-20 November 1996 character A letter , figure, number , punctuation, or other symbols. character echo A way to check the accuracy of data transmission by sending (displaying) all the characters being transmitted to the monitor .
COMSPHERE 3800 Plus Modems Glossary-4 November 1996 3980-A2-GB30-20 DB-25 connector A 25-pin connector that is used to connect a cable which enables communications between two devices. dBm A decibel referenced to one milliwatt. This unit measures relative signal power .
Glossary Glossary-5 3980-A2-GB30-20 November 1996 error contr ol An algorithm used to correct data transmission errors. escape sequence Default setting is +++.
COMSPHERE 3800 Plus Modems Glossary-6 November 1996 3980-A2-GB30-20 LCD Liquid Crystal Display . A thin sandwich of two sealed glass plates containing liquid crystal material. When voltage is applied, the amount of light able to pass through the glass plates is altered so that messages may be ‘ ‘written” on the display .
Glossary Glossary-7 3980-A2-GB30-20 November 1996 Originate mode 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. In a leased-line network, it is one of two sides of the network that is selected to be the originating modem.
COMSPHERE 3800 Plus Modems Glossary-8 November 1996 3980-A2-GB30-20 SDCP Shared Diagnostic Control Panel. An optional user interface similar to the front panel of a 3810 Plus modem that attaches to the front of a COMSPHERE 3000 Series Carrier .
Glossary Glossary-9 3980-A2-GB30-20 November 1996 V .22 A standard for modems operating full-duplex with asynchronous or synchronous data at 1200 bps over the dial network (PSTN). V .22bis A standard for modems operating full-duplex with asynchronous or synchronous data at 1200 or 2400 bps over the dial network (PSTN).
Index-1 3980-A2-GB30-20 November 1996 Index A A/ (Repeat Last Command), 13-3 Abort (T est branch), 7-2 ac power connection, 2-5 requirements, D-3 Access from Remote, 8-40 Active (Operating) configurat.
COMSPHERE 3800 Plus Modems Index-2 November 1996 3980-A2-GB30-20 B Backspace Character, 8-16 Bad Lines Auto Originate, 8-29 Blind Dial Pause, 8-19 Break Buffer Control, 8-34 Break Forces Escape, 8-15 Busy T one Detect, 8-20 C cables auxiliary , E-4 crossover, E-4 Call Answer commands (V .
Index Index-3 3980-A2-GB30-20 November 1996 DSR Control (&S), 8-10, 13-10 DTE connection, 2-3 DTE Dialer T ype, 8-14 DTE Interface, 8-7, D-3 DTE LL (CT141), 13-20 DTE Local Loopback, 8-37 DTE Rate.
COMSPHERE 3800 Plus Modems Index-4 November 1996 3980-A2-GB30-20 M Make Busy , 9-3 Make Busy V ia DTR, 8-22, 13-22 Maximum Frame Size, 8-35 menu tree, A-1 overview , 4-6 remote, 10-3 messages, 4-7 MI/.
Index Index-5 3980-A2-GB30-20 November 1996 S18 (T est T imeout), 8-37, 13-16 S26 (R TS/CTS Delay), 8-12, 13-16 S36 (Rate Auto Originate), 8-29, 13-16 S37 (Auto Redial), 8-22, 8-30, 13-17 S38 (DTR Con.
COMSPHERE 3800 Plus Modems Index-6 November 1996 3980-A2-GB30-20 V V .22bis Guard T one, 8-25 V .25bis Coding, 8-17, 13-22 V .25bis commands, F-4 V .25bis dialing commands and responses, F-1 V .25bis Idle Character , 13-22 V .25bis Idle Fill, 8-18 V .
Ein wichtiger Punkt beim Kauf des Geräts Paradyne 3800PLUS (oder sogar vor seinem Kauf) ist das durchlesen seiner Bedienungsanleitung. Dies sollten wir wegen ein paar einfacher Gründe machen:
Wenn Sie Paradyne 3800PLUS noch nicht gekauft haben, ist jetzt ein guter Moment, um sich mit den grundliegenden Daten des Produkts bekannt zu machen. Schauen Sie zuerst die ersten Seiten der Anleitung durch, die Sie oben finden. Dort finden Sie die wichtigsten technischen Daten für Paradyne 3800PLUS - auf diese Weise prüfen Sie, ob das Gerät Ihren Wünschen entspricht. Wenn Sie tiefer in die Benutzeranleitung von Paradyne 3800PLUS reinschauen, lernen Sie alle zugänglichen Produktfunktionen kennen, sowie erhalten Informationen über die Nutzung. Die Informationen, die Sie über Paradyne 3800PLUS erhalten, werden Ihnen bestimmt bei der Kaufentscheidung helfen.
Wenn Sie aber schon Paradyne 3800PLUS besitzen, und noch keine Gelegenheit dazu hatten, die Bedienungsanleitung zu lesen, sollten Sie es aufgrund der oben beschriebenen Gründe machen. Sie erfahren dann, ob Sie die zugänglichen Funktionen richtig genutzt haben, aber auch, ob Sie keine Fehler begangen haben, die den Nutzungszeitraum von Paradyne 3800PLUS verkürzen könnten.
Jedoch ist die eine der wichtigsten Rollen, die eine Bedienungsanleitung für den Nutzer spielt, die Hilfe bei der Lösung von Problemen mit Paradyne 3800PLUS. Sie finden dort fast immer Troubleshooting, also die am häufigsten auftauchenden Störungen und Mängel bei Paradyne 3800PLUS gemeinsam mit Hinweisen bezüglich der Arten ihrer Lösung. Sogar wenn es Ihnen nicht gelingen sollte das Problem alleine zu bewältigen, die Anleitung zeigt Ihnen die weitere Vorgehensweise – den Kontakt zur Kundenberatung oder dem naheliegenden Service.
