Zhone 3810Plus User's Guide

COMSPHERE3800PLUS MODEMSUSER’S GUIDEDocument No. 3980-A2-GB30-41February 2002

COMSPHERE 3800Plus Modemsiv October 1998 3980-A2-GB30-40This page intentionally left blank.

COMSPHERE 3800Plus Modems8-40 October 1998 3980-A2-GB30-40Table 8-6(8 of 8)V.42/MNP/Buffer Configuration OptionsMax Frame Size: 256Nxt 256 192 1

Configure Branch8-413980-A2-GB30-40 October 1998TestThe Test configuration options determine specifics,such as the duration of a test, for the various

COMSPHERE 3800Plus Modems8-42 October 1998 3980-A2-GB30-40Table 8-7(2 of 2)Test Configuration OptionsV54 Address: DisableNxt Disable (Address Values)V

Configure Branch8-433980-A2-GB30-40 October 1998MiscThe Miscellaneous configuration options determinespecifics for various functions, including networ

COMSPHERE 3800Plus Modems8-44 October 1998 3980-A2-GB30-40Table 8-8(2 of 3)Miscellaneous Configuration OptionsSpeaker Volume: MediumNxt Medium Low Hig

Configure Branch8-453980-A2-GB30-40 October 1998Table 8-8(3 of 3)Miscellaneous Configuration OptionsNMS_Call_Msgs: CallCnct&PrgNxt CallCnct&Pr

COMSPHERE 3800Plus Modems8-46 October 1998 3980-A2-GB30-40Security ConfigurationOptionsThe Security Configuration Options group allows youto view and

Configure Branch8-473980-A2-GB30-40 October 1998Table 8-9(2 of 2)Security Configuration Options*DTE_PW_BkSpChar: 008Nxt  008DTE Password Backspace Ch

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9-13980-A2-GB30-40 October 1998Control BranchOverviewThe Control branch of the Top-Level menu allows youto manage hardware and software functions, suc

Table of Contentsv3980-A2-GB30-40 October 1998List of FiguresFigure Page2-1 3810Plus Modem 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . .

COMSPHERE 3800Plus Modems9-2 October 1998 3980-A2-GB30-40SpeakerSpeaker allows you to make temporary adjustments tothe modem’s speaker volume. Upon a

Control Branch9-33980-A2-GB30-40 October 1998Make Busy/Remove Make BusyThe Make Busy function forces the modem off-hook soit cannot answer a call. Thi

COMSPHERE 3800Plus Modems9-4 October 1998 3980-A2-GB30-40Download CodeThe Download Code function sets parameters withinthe modem when transferring fir

Control Branch9-53980-A2-GB30-40 October 1998WARNINGPressing any function keynow begins the transfer to theremote modem. This processtakes the communi

COMSPHERE 3800Plus Modems9-6 October 1998 3980-A2-GB30-40As data banks are transferred, the local and remoteLCD’s bottom line displays the status of t

10-13980-A2-GB30-40 October 1998Remote BranchOverviewThe Remote branch of the Top-Level menu allows youto control the remote modem’s DCP using the loc

COMSPHERE 3800Plus Modems10-2 October 1998 3980-A2-GB30-40Remote DCP access is accomplished using either theprimary or secondary channel (if available

Remote Branch10-33980-A2-GB30-40 October 1998The Top-Level menu of the remote 3800Plus modem issimilar to the local 3800Plus modem with the followinge

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11-13980-A2-GB30-40 October 1998SecurityOverviewNOTEThis chapter supports theoperation of dial access securityfor COMSPHERE 3800Plusmodems. This chapt

COMSPHERE 3800Plus Modemsvi October 1998 3980-A2-GB30-40List of TablesTable Page4-1 3800Plus DCP LEDs 4-3. . . . . . . . . . . . . . . . . . . . . . .

COMSPHERE 3800Plus Modems11-2 October 1998 3980-A2-GB30-40Originate Access SecurityOriginate Access lets you control who can originate acall from a lo

Security11-33980-A2-GB30-40 October 1998NOTEWhile pulse dial can be used tooriginate the call, DTMF tonesmust be used for the password.This can be acc

COMSPHERE 3800Plus Modems11-4 October 1998 3980-A2-GB30-40Security BranchThe Security branch of the Top-Level menu allows youto change and save parame

Security11-53980-A2-GB30-40 October 1998To enter your Administrative Password fromSet_Access_Ctrl, make the following selections:F1Security

COMSPHERE 3800Plus Modems11-6 October 1998 3980-A2-GB30-40F1Select IndexEntąĄ"0001F2F3Select Index appears.Press the F2 (") key to increment

Security11-73980-A2-GB30-40 October 1998Table 11-1Edit Password Table Group OptionsPsWdType xxxxNxt Cleared DTE Entry VF_Entry VF_plus_DTEPassword Typ

COMSPHERE 3800Plus Modems11-8 October 1998 3980-A2-GB30-40Set Answer SecSet Answer Security determines if dial access securityis enabled or disabled.

Security11-93980-A2-GB30-40 October 1998Set Orig SecSet Originate Security controls whether or not themodem can originate a call using AT commands whe

COMSPHERE 3800Plus Modems11-10 October 1998 3980-A2-GB30-40Set Admin PsWdSet Administrative Password is used to change theAdministrative Password valu

Security11-113980-A2-GB30-40 October 1998F1Reset Security <Erase_All_PassWdF2F3To reset security, press until Erase_All_PassWdappears on

vii3980-A2-GB30-40 October 1998PrefaceObjectives and ReaderAssumptionsThis manual describes how to install and operate the3810Plus (standalone) and 38

COMSPHERE 3800Plus Modems11-12 October 1998 3980-A2-GB30-40Some experimentation may be necessary to determinethe number of pauses necessary for your c

Security11-133980-A2-GB30-40 October 1998Table 11-5 is an example of a database table withpasswords configured for DTE Entry only. This type ofpasswor

COMSPHERE 3800Plus Modems11-14 October 1998 3980-A2-GB30-40Table 11-7 is an example of a security database tablethat uses paired VF and DTE passwords

12-13980-A2-GB30-40 October 1998Fax OperationOverviewThe procedures for sending and receiving facsimiledocuments with your modem depend on the fax sof

COMSPHERE 3800Plus Modems12-2 October 1998 3980-A2-GB30-40Your fax software uses AT commands to tell themodem what to do. These commands, and the repl

13-13980-A2-GB30-40 October 1998AT Command Set andS-RegistersOverviewThe AT command set provides an alternative method tothe front panel for entering

COMSPHERE 3800Plus Modems13-2 October 1998 3980-A2-GB30-40• All commands (except A/ (repeat last command)and +++) must begin with the characters AT an

AT Command Set and S-Registers13-33980-A2-GB30-40 October 1998Table 13-1(1 of 15)3800Plus AT CommandsAT CommandDescription Front Panel BranchA/ Repeat

COMSPHERE 3800Plus Modems13-4 October 1998 3980-A2-GB30-40Table 13-1(2 of 15)3800Plus AT CommandsAT Command Front Panel BranchDescriptionDnDial Begins

AT Command Set and S-Registers13-53980-A2-GB30-40 October 1998Table 13-1(3 of 15)3800Plus AT CommandsAT Command Front Panel BranchDescriptionDS=nDial

COMSPHERE 3800Plus Modemsviii October 1998 3980-A2-GB30-40Related Documents3000-A2-GA31 COMSPHERE 3000 SeriesCarrier, Installation Manual3610-A2-GZ45

COMSPHERE 3800Plus Modems13-6 October 1998 3980-A2-GB30-40Table 13-1(4 of 15)3800Plus AT CommandsAT Command Front Panel BranchDescriptionP Pulse Dial

AT Command Set and S-Registers13-73980-A2-GB30-40 October 1998Table 13-1(5 of 15)3800Plus AT CommandsAT Command Front Panel BranchDescriptionXnExtende

COMSPHERE 3800Plus Modems13-8 October 1998 3980-A2-GB30-40Table 13-1(6 of 15)3800Plus AT CommandsAT Command Front Panel BranchDescription+FCLASS=nServ

AT Command Set and S-Registers13-93980-A2-GB30-40 October 1998Table 13-1(7 of 15)3800Plus AT CommandsAT Command Front Panel BranchDescription&FnSe

COMSPHERE 3800Plus Modems13-10 October 1998 3980-A2-GB30-40Table 13-1(8 of 15)3800Plus AT CommandsAT Command Front Panel BranchDescription&I Dial

AT Command Set and S-Registers13-113980-A2-GB30-40 October 1998Table 13-1(9 of 15)3800Plus AT CommandsAT Command Front Panel BranchDescription&Mn

COMSPHERE 3800Plus Modems13-12 October 1998 3980-A2-GB30-40Table 13-1(10 of 15)3800Plus AT CommandsAT Command Front Panel BranchDescription&TnTest

AT Command Set and S-Registers13-133980-A2-GB30-40 October 1998Table 13-1(11 of 15)3800Plus AT CommandsAT Command Front Panel BranchDescription\AnErro

COMSPHERE 3800Plus Modems13-14 October 1998 3980-A2-GB30-40Table 13-1(12 of 15)3800Plus AT CommandsAT Command Front Panel BranchDescription\QnFlow Con

AT Command Set and S-Registers13-153980-A2-GB30-40 October 1998Table 13-1(13 of 15)3800Plus AT CommandsAT Command Front Panel BranchDescription%Bn, %B

1-13980-A2-GB30-40 October 1998IntroductionOverviewThe COMSPHEREr 3810Plus and 3811Plus modems,extensions of the award-winning COMSPHERE 3800Series, a

COMSPHERE 3800Plus Modems13-16 October 1998 3980-A2-GB30-40Table 13-1(14 of 15)3800Plus AT CommandsAT Command Front Panel BranchDescription%RAsync DTE

AT Command Set and S-Registers13-173980-A2-GB30-40 October 1998Table 13-1(15 of 15)3800Plus AT CommandsAT Command Front Panel BranchDescription#SCnSyn

COMSPHERE 3800Plus Modems13-18 October 1998 3980-A2-GB30-40S-Register ListS-registers affect the operating parameters of 3800Plusmodems. S-registers a

AT Command Set and S-Registers13-193980-A2-GB30-40 October 1998Table 13-2(2 of 15)3800Plus S-RegistersAT Command Front Panel BranchDescriptionS4 Line

COMSPHERE 3800Plus Modems13-20 October 1998 3980-A2-GB30-40Table 13-2(3 of 15)3800Plus S-RegistersAT Command Front Panel BranchDescriptionS14 Asymmetr

AT Command Set and S-Registers13-213980-A2-GB30-40 October 1998Table 13-2(4 of 15)3800Plus S-RegistersAT Command Front Panel BranchDescriptionS28 SDC

COMSPHERE 3800Plus Modems13-22 October 1998 3980-A2-GB30-40Table 13-2(5 of 15)3800Plus S-RegistersAT Command Front Panel BranchDescriptionS32 SyncDTE

AT Command Set and S-Registers13-233980-A2-GB30-40 October 1998Table 13-2(6 of 15)3800Plus S-RegistersAT Command Front Panel BranchDescriptionS37 DTR

COMSPHERE 3800Plus Modems13-24 October 1998 3980-A2-GB30-40Table 13-2(7 of 15)3800Plus S-RegistersAT Command Front Panel BranchDescriptionS41 Dial-Lin

AT Command Set and S-Registers13-253980-A2-GB30-40 October 1998Table 13-2(8 of 15)3800Plus S-RegistersAT Command Front Panel BranchDescriptionS44 Leas

COMSPHERE 3800Plus Modems1-2 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 bp

COMSPHERE 3800Plus Modems13-26 October 1998 3980-A2-GB30-40Table 13-2(9 of 15)3800Plus S-RegistersAT Command Front Panel BranchDescriptionS47 Auto Dia

AT Command Set and S-Registers13-273980-A2-GB30-40 October 1998Table 13-2(10 of 15)3800Plus S-RegistersAT Command Front Panel BranchDescriptionS53 V.5

COMSPHERE 3800Plus Modems13-28 October 1998 3980-A2-GB30-40Table 13-2(11 of 15)3800Plus S-RegistersAT Command Front Panel BranchDescriptionS62 V.25bis

AT Command Set and S-Registers13-293980-A2-GB30-40 October 1998Table 13-2(12 of 15)3800Plus S-RegistersAT Command Front Panel BranchDescriptionS74 Net

COMSPHERE 3800Plus Modems13-30 October 1998 3980-A2-GB30-40Table 13-2(13 of 15)3800Plus S-RegistersAT Command Front Panel BranchDescriptionS80 No Data

AT Command Set and S-Registers13-313980-A2-GB30-40 October 1998Table 13-2(14 of 15)3800Plus S-RegistersAT Command Front Panel BranchDescriptionS88 Str

COMSPHERE 3800Plus Modems13-32 October 1998 3980-A2-GB30-40Table 13-2(15 of 15)3800Plus S-RegistersAT Command Front Panel BranchDescriptionS92V.29 Tra

A-13980-A2-GB30-40 October 1998Menu TreeOverviewThe following pages hold graphic representations ofthe general menu structure of the front panel or SD

COMSPHERE 3800Plus ModemsA-2 October 1998 3980-A2-GB30-40Call_Setup Status Test“Status”DialDisconnectAnswerDial_StandbyorReturn_to_DialChange_Director

Menu TreeA-33980-A2-GB30-40 October 1998ConfigureLd EditArea frm:Edit SaveChoose FunctionActive (Saved) Customer1 Customer2V42/MNP/BufferErr Contrl Mo

2-13980-A2-GB30-41 February 20023810Plus InstallationOverviewThe standalone 3810Plus modem (Figure 2-1) iscapable of either dial or 4-wire/2-wire leas

COMSPHERE 3800Plus ModemsA-4 October 1998 3980-A2-GB30-40Control RemoteSpeakerResetMake_BusyorRemoveMakeBusyService_LineorDiscServLineDownload CodeSec

B-13980-A2-GB30-40 October 1998Result CodesOverviewTable B-1 lists all the result codes 3800Plus modemsmay send to the DTE. Result codes can be numeri

COMSPHERE 3800Plus ModemsB-2 October 1998 3980-A2-GB30-40Table B-1(2 of 3)Result CodesNumbers (1) DescriptionWordNumbers (2)*Appears when the Extended

Result CodesB-33980-A2-GB30-40 October 1998Table B-1(3 of 3)Result CodesNumbers (1) DescriptionWordNumbers (2)43 43 CONNECT 21600/ EC*** Connection at

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C-13980-A2-GB30-40 October 1998TroubleshootingOverviewAppendix B, Result Codes, points out basic problemsthat can occur when operating a 3800Plus mode

COMSPHERE 3800Plus ModemsC-2 October 1998 3980-A2-GB30-40Table C-2Modem – DTE ConnectionSymptom ActionModem does not accept or echo back AT commandsVe

TroubleshootingC-33980-A2-GB30-40 October 1998Table C-3(2 of 2)Modem – VF ConnectionSymptom ActionModem goes off-hook, answers, but doesnot connectPer

COMSPHERE 3800Plus ModemsC-4 October 1998 3980-A2-GB30-40Table C-4Online OperationSymptom ActionData scrambled Verify that the character format (data

D-13980-A2-GB30-40 October 1998Technical SpecificationsTable D-1 shows the technical specifications for3800Plus modems.Table D-1(1 of 3)Technical Spec

COMSPHERE 3800Plus Modems2-2 October 1998 3980-A2-GB30-40DIAGNOSTICCONTROLLCD ANDSTATUSPOWERSUPPLY496-14678-01POWERON/OFFLEASED(3810Plus ONLY)DIAL(OR

COMSPHERE 3800Plus ModemsD-2 October 1998 3980-A2-GB30-40Table D-1(2 of 3)Technical Specifications for COMSPHERE 3800Plus ModemsSpecifications Criteri

Technical SpecificationsD-33980-A2-GB30-40 October 1998Table D-1(3 of 3)Technical Specifications for COMSPHERE 3800Plus ModemsSpecifications CriteriaA

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E-13980-A2-GB30-40 October 1998Pin AssignmentsAppendix E lists the pin assignments for EIA-232-Dand VF TELCO interfaces, and shows the wiring diagramf

COMSPHERE 3800Plus ModemsE-2 October 1998 3980-A2-GB30-40EIA-232-D Pin AssignmentsTable E-1 lists the EIA-232-D pin assignments for themodem.Table E-1

Pin AssignmentsE-33980-A2-GB30-40 October 1998VF Connector PinAssignmentsTable E-2 lists the connector pin assignments for3810Plus modular jacks and t

COMSPHERE 3800Plus ModemsE-4 October 1998 3980-A2-GB30-40JM8 to RJ11 Crossover CableFor 2-wire leased-line connections to a JM8 networkinterface, an 8

F-13980-A2-GB30-40 October 1998ITU-T V.25bis Dialing Commandsand ResponsesOverviewITU-T V.25bis is an international dialing protocol thatpermits direc

COMSPHERE 3800Plus ModemsF-2 October 1998 3980-A2-GB30-40Call ResponseCall Failure Indication (CFI)The CFI response is issued to the DTE if the modemf

ITU-T V.25bis Dialing Commands and ResponsesF-33980-A2-GB30-40 October 1998Program Normal (PRN)The Program Normal (PRN) command allows the DTEto enter

3810Plus Installation2-33980-A2-GB30-40 October 1998• An 6-pin modular keyed jack for dial (PSTN) lines.• A 4-pin modular jack for network managements

COMSPHERE 3800Plus ModemsF-4 October 1998 3980-A2-GB30-40Table F-1V.25bis CommandsV.25bisCommandDescriptionAT Command/S-Register EquivalentCALL REQUES

G-13980-A2-GB30-40 October 1998Default Configuration OptionsOverviewTable G-1 lists all default configuration options for themain four factory preset

COMSPHERE 3800Plus ModemsG-2 October 1998 3980-A2-GB30-40Table G-1(2 of 5)Factory Default Configuration OptionsConfiguration OptionSync Leased Answer/

Default Configuration OptionsG-33980-A2-GB30-40 October 1998Table G-1(3 of 5)Factory Default Configuration OptionsConfiguration OptionSync Leased Answ

COMSPHERE 3800Plus ModemsG-4 October 1998 3980-A2-GB30-40Table G-1(4 of 5)Factory Default Configuration OptionsConfiguration OptionSync Leased Answer/

Default Configuration OptionsG-53980-A2-GB30-40 October 1998Table G-1(5 of 5)Factory Default Configuration OptionsConfiguration OptionSync Leased Answ

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H-13980-A2-GB30-40 October 1998Equipment ListEquipment Feature/Part NumberModel 3810Plus (110 v) 3980-A2-201Model 3811Plus3981-B1-001V.29 Feature 3980

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I-13980-A2-GB30-40 October 1998Synchronous Data CompressionOverviewThe Paradyne proprietary Synchronous DataCompression (SDC) feature allows an increa

COMSPHERE 3800Plus ModemsA February 2002 3980-A2-GB30-41COMSPHERE 3800Plus Mod

COMSPHERE 3800Plus Modems2-4 October 1998 3980-A2-GB30-40Dial-Line ConnectionUse the following procedure to connect the 3810Plusmodem to the dial netw

COMSPHERE 3800Plus ModemsI-2 October 1998 3980-A2-GB30-40When the transmit clock is provided by the DTE, thereceive clock is set by the modem equal to

Synchronous Data CompressionI-33980-A2-GB30-40 October 1998Table I-1SDC Negotiation Configuration ScenariosOriginating ModemAnswering Modem Negotiatio

COMSPHERE 3800Plus ModemsI-4 October 1998 3980-A2-GB30-40Tuning SDC EfficiencySDC efficiency is dependent on the configurationparameters of the DTE an

Glossary-13980-A2-GB30-40 October 1998GlossaryA configuration area containing configuration options currently in use by the modem. When apower cycle o

COMSPHERE 3800Plus ModemsGlossary-2 October 1998 3980-A2-GB30-40To adjust to varying VF line conditions by changing the data rate to a higher or lower

GlossaryGlossary-33980-A2-GB30-40 October 1998An outlet on equipment and cables that provides a connection.Central Processing Unit. The main or only c

COMSPHERE 3800Plus ModemsGlossary-4 October 1998 3980-A2-GB30-40Data Terminal Ready. A signal from the DTE to the modem, sent via Pin 20 of theEIA-232

GlossaryGlossary-53980-A2-GB30-40 October 1998The Telecommunications Standardization Sector of the International Telecommunications Union,an advisory

COMSPHERE 3800Plus ModemsGlossary-6 October 1998 3980-A2-GB30-40The state of a modem that is connected to and communicating with another modem.The mod

GlossaryGlossary-73980-A2-GB30-40 October 1998Shared Diagnostic Control Panel. A feature that allows carrier-mounted devices to share thesame diagnost

3810Plus Installation2-53980-A2-GB30-40 October 1998Network Management System ConnectionFor the 3810Plus modem, use the following procedureto connect

COMSPHERE 3800Plus ModemsGlossary-8 October 1998 3980-A2-GB30-40An ITU-T standard for modems operating full-duplex with asynchronous or synchronous da

Index-13980-A2-GB30-40 October 1998IndexAA/ (Repeat Last Command), 13-3Abort (Test branch), 7-2ac powerconnection, 2-4requirements, D-3Access from Rem

COMSPHERE 3800Plus ModemsIndex-2 October 1998 3980-A2-GB30-40BBackspace Character, 8-16Bad Lines Auto Originate, 8-30Bell Mode, 13-3Blind Dial Pause,

IndexIndex-33980-A2-GB30-40 October 1998DTE RateAsync, 8-7Sync, 8-8DTE Rate=VF Rate, 8-13DTE rates supported, D-2DTE Remote Loopback, 8-41DTE RL (CT14

COMSPHERE 3800Plus ModemsIndex-4 October 1998 3980-A2-GB30-40messages, 4-7MI/MIC Dialing, 8-23MNP5 Compression, 8-36models, 1-2carrier-mounted, 3-1sta

IndexIndex-53980-A2-GB30-40 October 1998S14 (Asymmetric Rate Mode), 13-20S15 (Asymmetric Rate Mode), 13-20S18 (Test Timeout), 8-41, 13-20S23 (Proactiv

COMSPHERE 3800Plus ModemsIndex-6 October 1998 3980-A2-GB30-40V.25bis response messages, F-3V.29 Train On Data, 8-31, 13-32V.42 ARQ WIndow Size, 13-31V

00282600– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

COMSPHERE 3800Plus Modems2-6 October 1998 3980-A2-GB30-40Removing and Replacing3810Plus ModemsTo remove and replace a 3810Plus modem, performthe follo

3-13980-A2-GB30-40 October 19983811Plus InstallationOverviewThe carrier-mounted 3811Plus modem (Figure 3-1) iscapable of dial or 4-wire/2-wire leased-

COMSPHERE 3800Plus Modems3-2 October 1998 3980-A2-GB30-40If the modem is to be managed by a networkmanagement system, an SDU must be supplied andprope

3811Plus Installation3-33980-A2-GB30-40 October 1998The installation of a 3811Plus varies slightly if anSDCP is installed on the front of the carrier.

COMSPHERE 3800Plus Modems3-4 October 1998 3980-A2-GB30-40If the modem is to communicate with an installedSDCP, install the modem as described above an

4-13980-A2-GB30-40 October 1998Front Panel OperationOverviewThis chapter describes how to use the diagnosticcontrol panel (DCP) of the 3800Plus modem.

COMSPHERE 3800Plus Modems4-2 October 1998 3980-A2-GB30-403811Plus Faceplate and Shared DiagnosticControl Panel (SDCP)The shared diagnostic control pan

Front Panel Operation4-33980-A2-GB30-40 October 1998Table 4-13800Plus DCP LEDsLabel Color IndicatesPwr green ON – Power is on and the modem is capable

Safety InstructionsB3980-A2-GB30-40 October 1998Important Safety Instructions1. Read and follow all warning notices and instructions marked on the pro

COMSPHERE 3800Plus Modems4-4 October 1998 3980-A2-GB30-40The SDCP LEDs are listed and described in Table 4-2.Table 4-2SDCP LEDsLabelColor IndicatesOK

Front Panel Operation4-53980-A2-GB30-40 October 1998Left/Right Scroll Indicator The left/right scroll indicator displays when morechoices are availab

COMSPHERE 3800Plus Modems4-6 October 1998 3980-A2-GB30-40Menu StructureThe menu tree is a hierarchical structure used todisplay functions that configu

Front Panel Operation4-73980-A2-GB30-40 October 1998Top-Level Menu Status and Operational MessagesAccess to all menu tree branches from the DCP begins

COMSPHERE 3800Plus Modems4-8 October 1998 3980-A2-GB30-40Table 4-3(2 of 3)Top Level Menu StatusNormal CallSetup MessagesIndicatesOff Hook The modem is

Front Panel Operation4-93980-A2-GB30-40 October 1998Table 4-3(3 of 3)Top Level Menu StatusDial Backup MessagesIndicatesDial Standby The modem is opera

COMSPHERE 3800Plus Modems4-10 October 1998 3980-A2-GB30-40Table 4-4Common Operational MessagesCommon Operational MessagesIndicatesPlease Wait... Appea

Front Panel Operation4-113980-A2-GB30-40 October 1998Selecting FactoryConfiguration OptionsAfter the modem passes the power-up self-test,configure it

COMSPHERE 3800Plus Modems4-12 October 1998 3980-A2-GB30-40• On initial power-up, the modem is in Commandmode. To verify that the modem is connected an

Front Panel Operation4-133980-A2-GB30-40 October 1998Diagnostic Control Panel Security AccessNOTEThis page of the manual isself-supporting and can ber

COMSPHERE 3800Plus ModemsC October 1998 3980-A2-GB30-40Notices                

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5-13980-A2-GB30-40 October 1998Call Setup BranchOverviewThe Call Setup branch of the Top-Level menu allowsyou to dial, disconnect, and answer telephon

COMSPHERE 3800Plus Modems5-2 October 1998 3980-A2-GB30-40Call Setup BranchIn the following descriptions, the shaded key indicateswhat key to press to

Call Setup Branch5-33980-A2-GB30-40 October 1998Select Disconnect.F1DisconnectCommand CompleteF2F3The modem goes on-hook (hangs up) and the call isdis

COMSPHERE 3800Plus Modems5-4 October 1998 3980-A2-GB30-40For example, under normal dial backup conditions,when a problem occurs on the leased line, th

Call Setup Branch5-53980-A2-GB30-40 October 1998To access Change Directory from the Call Setupbranch, make the following selections:F1Call Setup: >

COMSPHERE 3800Plus Modems5-6 October 1998 3980-A2-GB30-40Table 5-1Valid Dial Command ModifierDial Command modifiers are parameters entered in the dial

6-13980-A2-GB30-40 October 1998Status BranchOverviewThe Status branch of the Top-Level menu allows youto view the current status of the dial or leased

COMSPHERE 3800Plus Modems6-2 October 1998 3980-A2-GB30-40VFVF displays the condition of the dial or leased-lineconnection.To access VF from the Status

Status Branch6-33980-A2-GB30-40 October 1998IdentityIdentity displays the modem’s serial number, modelnumber, firmware revision level, hardware part n

Government RequirementsD3980-A2-GB30-40 October 19983. The Ringer Equivalence (REN) is used to determine the quantity of devices which may beconnected

COMSPHERE 3800Plus Modems6-4 October 1998 3980-A2-GB30-40DTEDTE displays the state and/or activity of theEIA-232-D interface leads: LSD, DTR, DSR, Tst

Status Branch6-53980-A2-GB30-40 October 1998To access Record from the Status branch, make thefollowing selections:F1Status <Options

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7-13980-A2-GB30-40 October 1998Test BranchOverviewThe Test branch of the Top-Level menu allows you toinitiate various modem tests. Use these tests if

COMSPHERE 3800Plus Modems7-2 October 1998 3980-A2-GB30-40Test BranchTo access the Test branch from the Top-Level menu,make the following selections:F1

Test Branch7-33980-A2-GB30-40 October 1998Loc Analog LoopLoc Analog Loop performs a local analog loopback(ITU-T V.54 Loop 3), Figure 7-1, that verifie

COMSPHERE 3800Plus Modems7-4 October 1998 3980-A2-GB30-40Rem Digital LoopRem Digital Loop performs a remote digital loopback(ITU-T V.54 Loop 2), Figur

Test Branch7-53980-A2-GB30-40 October 1998Loc Digital LoopLoc Digital Loop is issued by a local modem andforces it to loopback any data received from

COMSPHERE 3800Plus Modems7-6 October 1998 3980-A2-GB30-40PatternPattern can transmit and receive a 511 bit error rate testpattern. It can also be used

Test Branch7-73980-A2-GB30-40 October 1998To access Pattern from the Test branch, make thefollowing selections:F1Test : >PatternF2

COMSPHERE 3800Plus ModemsE October 1998 3980-A2-GB30-40CanadaNotice to Users of the Canadian Public Switched Telephone NetworkThe Canadian Department

COMSPHERE 3800Plus Modems7-8 October 1998 3980-A2-GB30-40This page intentionally left blank.

8-13980-A2-GB30-40 October 1998Configure BranchOverviewAfter installing a 3800Plus modem, you set itssoftware configuration options using either the d

COMSPHERE 3800Plus Modems8-2 October 1998 3980-A2-GB30-40CONTENTS OF Active (Saved) ARE AUTOMATICALLY COPIED TO Active (Operating) WHEN A SAVE IS COMM

Configure Branch8-33980-A2-GB30-40 October 1998Active (Saved)(ATZ0, ATZ3)LOAD Active (Operating) USING ATZ OR AT&F COMMANDActive (Operating)CHANGE

COMSPHERE 3800Plus Modems8-4 October 1998 3980-A2-GB30-40Configure BranchThe Configure branch of the Top-Level menu containsall of the modem’s configu

Configure Branch8-53980-A2-GB30-40 October 1998Editing and Saving a Configuration OptionThe following example shows how to change theRemote Access Pas

COMSPHERE 3800Plus Modems8-6 October 1998 3980-A2-GB30-40Select the F2 () key to increment password values.F1RemAccssPasswrdNxtąĄ00000000F2F3Press t

Configure Branch8-73980-A2-GB30-40 October 1998Configuration TablesThe modem’s configuration options are arranged intoeight groups based upon function

COMSPHERE 3800Plus Modems8-8 October 1998 3980-A2-GB30-40Table 8-1(2 of 7)DTE Interface Configuration OptionsSync DTE Rate:128000Nxt 128000 115200

Configure Branch8-93980-A2-GB30-40 October 1998Table 8-1(3 of 7)DTE Interface Configuration Options# Stop Bits: 1Nxt 1 2Number of Stop Bits. Selects 1

i3980-A2-GB30-40 October 1998Table of ContentsPrefaceObjectives and Reader Assumptions vii. . . . . . . . . . . . . . . . . . . . . . . . . . . How to

COMSPHERE 3800Plus Modems8-10 October 1998 3980-A2-GB30-40Table 8-1(4 of 7)DTE Interface Configuration OptionsDSR Control: Forced_OnNxt Forced_On Stnd

Configure Branch8-113980-A2-GB30-40 October 1998Table 8-1(5 of 7)DTE Interface Configuration OptionsRTS Action: IgnoreNxt Ignore Stndrd_RS232 Sim_Cntl

COMSPHERE 3800Plus Modems8-12 October 1998 3980-A2-GB30-40Table 8-1(6 of 7)DTE Interface Configuration OptionsRTS/CTS Delay: 0 msecNxt 0msec 10mse

Configure Branch8-133980-A2-GB30-40 October 1998Table 8-1(7 of 7)DTE Interface Configuration OptionsTX Clock Source: InternalNxt Internal External RXC

COMSPHERE 3800Plus Modems8-14 October 1998 3980-A2-GB30-40DTE DialerThe DTE Dialer configuration options establish theDTE-to-modem protocol for call e

Configure Branch8-153980-A2-GB30-40 October 1998Table 8-2(2 of 5)DTE Dialer Configuration Options*AT Escape Char: 043 ASCINxt  043 ASCIAT Escape Char

COMSPHERE 3800Plus Modems8-16 October 1998 3980-A2-GB30-40Table 8-2(3 of 5)DTE Dialer Configuration Options*Backspace Char: 008 ASCINxt ↑ 008 ASCIBack

Configure Branch8-173980-A2-GB30-40 October 1998Table 8-2(4 of 5)DTE Dialer Configuration Options*ResultCode Form: WordsNxt Words Numbers (1) Numbers

COMSPHERE 3800Plus Modems8-18 October 1998 3980-A2-GB30-40Table 8-2(5 of 5)DTE Dialer Configuration Options*AT Cmnd Mode: NormalNxt Normal No_ERROR No

Configure Branch8-193980-A2-GB30-40 October 1998Line DialerThe Line Dialer configuration options establishparameters used by the modem to answer or or

COMSPHERE 3800Plus Modemsii October 1998 3980-A2-GB30-404. Front Panel OperationOverview 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

COMSPHERE 3800Plus Modems8-20 October 1998 3980-A2-GB30-40Table 8-3(2 of 5)Line Dialer Configuration OptionsBusyTone Detect: EnableNxt Enable DisableB

Configure Branch8-213980-A2-GB30-40 October 1998Table 8-3(3 of 5)Line Dialer Configuration OptionsLong Space Disc: EnableNxt Enable DisableLong Space

COMSPHERE 3800Plus Modems8-22 October 1998 3980-A2-GB30-40Table 8-3(4 of 5)Line Dialer Configuration OptionsNoDataDiscTrig: TXD and RXDNxt TXD and RXD

Configure Branch8-233980-A2-GB30-40 October 1998Table 8-3(5 of 5)Line Dialer Configuration OptionsDTR Auto Redial: Dir 1Nxt Dir 1 Dirs1-2 Dirs 1-3 Dir

COMSPHERE 3800Plus Modems8-24 October 1998 3980-A2-GB30-40Dial LineThe Dial Line configuration options are used toconfigure the modem for operation ov

Configure Branch8-253980-A2-GB30-40 October 1998Table 8-4(2 of 4)Dial Line Configuration OptionsAutomode: EnableNxt Enable Disable System 85Automode

COMSPHERE 3800Plus Modems8-26 October 1998 3980-A2-GB30-40Table 8-4(3 of 4)Dial Line Configuration OptionsDial TX Level: Permissv(–9)Nxt Permissv(–9)

Configure Branch8-273980-A2-GB30-40 October 1998Table 8-4(4 of 4)Dial Line Configuration OptionsProactive Retrain: EnableNxt Enable DisableProacti

COMSPHERE 3800Plus Modems8-28 October 1998 3980-A2-GB30-40Leased LineThe Leased Line configuration options are used toconfigure the modem for operatio

Configure Branch8-293980-A2-GB30-40 October 1998Table 8-5(2 of 5)Leased Line Configuration Options*LeasedLine Rate: 33600(V34)Nxt 33600(V34) 31200

Table of Contentsiii3980-A2-GB30-40 October 199812. Fax OperationOverview 12-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

COMSPHERE 3800Plus Modems8-30 October 1998 3980-A2-GB30-40Table 8-5(3 of 5)Leased Line Configuration Options*Leased TX Level: 0Nxt0–1–2–3–4–5–6–7–8–9–

Configure Branch8-313980-A2-GB30-40 October 1998Table 8-5(4 of 5)Leased Line Configuration Options*Auto RedialNxt Dir_1 Dirs_1-2 Dirs_1-3 Dirs

COMSPHERE 3800Plus Modems8-32 October 1998 3980-A2-GB30-40Table 8-5(5 of 5)Leased Line Configuration OptionsAsymmetric Rate: EnableNxt Enable Disa

Configure Branch8-333980-A2-GB30-40 October 1998V.42/MNP/BufferV.42/MNP/Buffer configuration options determine thetype of error correction and flow co

COMSPHERE 3800Plus Modems8-34 October 1998 3980-A2-GB30-40Table 8-6(2 of 8)V.42/MNP/Buffer Configuration OptionsSync Comp Mode: DirectModeNxt Direc

Configure Branch8-353980-A2-GB30-40 October 1998Table 8-6(3 of 8)V.42/MNP/Buffer Configuration OptionsSyncDTE CRC: IgnoreNxt Ignore CRC16This con

COMSPHERE 3800Plus Modems8-36 October 1998 3980-A2-GB30-40Table 8-6(4 of 8)V.42/MNP/Buffer Configuration OptionsV42bis Compress: EnableNxt Enable

Configure Branch8-373980-A2-GB30-40 October 1998Table 8-6(5 of 8)V.42/MNP/Buffer Configuration OptionsEC Fallbck Char: 013 ASCINxt  013 ASCIThis conf

COMSPHERE 3800Plus Modems8-38 October 1998 3980-A2-GB30-40Table 8-6(6 of 8)V.42/MNP/Buffer Configuration OptionsXON/XOFF Psthru: DisableNxt Disable En

Configure Branch8-393980-A2-GB30-40 October 1998Table 8-6(7 of 8)V.42/MNP/Buffer Configuration OptionsSend Break Cntl: Data-FirstNxt Data-First Break-