Manuals / Digicom / Computer Equipment / Modem

Digicom 3910, 3911 operation manual Remote Branch

Models: 3910 3911

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Table of Contents

10. Call Setup Branch

Overview	10-1
Dial	10-2
Disconnect	10-3
Answer	10-4
Dial Standby/Return to Dial	10-5
Change Directory	10-6
Directory Status (Does Not Appear in North America)	10-9

11. Talk/Data Branch

Overview	11-1
Manual Dialing When the Remote Modem is
Configured for Auto-Answer	11-2
Manual Dialing When the Remote Modem is
Configured for Manual Answer	11-3

12. Dial Access Security

Overview	12-1
Security Branch	12-4
Security Configuration Options	12-13
Security Password Entry Techniques	12-16
Database Table Examples	12-18

13. Remote Branch

Overview

13-1

14. AT Command Set and S-Registers

Overview	14-1
Operating Modes	14-1
Command Guidelines	14-2
AT Command List	14-4
S-Register List	14-14

3910-A2-GN32-40

September 1998

iii

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Digicom 3910, 3911 operation manual Remote Branch

Contents

Document No -A2-GN32-41 Trademarks Warranty, Sales, and Service InformationImportant Safety Instructions 3910-A2-GN32-40 Table of Contents Status Branch Remote Branch Glossary Index List of Figures This page intentionally left blank List of Tables Viii Preface How to Use this ManualObjectives and Reader Assumptions Related Documents Introduction FeaturesOverview Multipoint Applications Leased Backup ApplicationsComsphere 391x Series Models Model Standalone Model 3910 4-Wire/2-Wire ModemCarrier-Mounted Model 3911 4-Wire/2-Wire Modem United States Government Requirements and Equipment ReturnComsphere 3900 Series Modems Canada Leased-Line Modulations Technical SpecificationsTechnical Specifications for 391x Series Modems Description Model Certification Number See label on modem100 to 250 Vac, 50 to 60 Hz Technical Specifications for 391x Series ModemsSpecifications Description Pin D-subminiature connector EIA-232-D/ITU-TMNP Class ITU-TMNP ITU-T V.42bis391x Series Modem Package Modem InstallationCustomer-Supplied Equipment Model 3910 Modem InstallationModel 3910 Rear Panel and Power Supply Connecting Cables to the Model 3910 ModemsDTE Connection Model 3910 4-Wire/2-Wire Leased-Line ConnectionModel 3910 Dial Backup Connection Model 3910 Leased Backup ConnectionNetwork Management System Connection Power Supply ConnectionModem Power-Up Power On Selftst PassedUsing the Diagnostic Control Panel DCP Selecting Factory Configuration OptionsType AT Using AT CommandsType AT&Fy&Wn Removing and Replacing Model 3910 Modems Model 3911 Modem InstallationInstalling a Model 3911 Modem Circuit Pack Lock Removing and Replacing Model 3911 Modems DCP Operation Diagnostic Control PanelsModel 3910 DCP Model 3910 Diagnostic Control PanelOptional SDCP, Model 3911 Faceplate, and Optional SDU Status IndicatorsDiag Model 3910 and Model 3911 DCP LEDsLabel Color Indicates Pwr AlrmDiagnostic Control Panel Operation LCD Display Key KeypadTop-Level Menu Status and Operational Messages Menu StructureTop-Level Menu Status Call SetupDial Backup or Leased BackupStatus Message Indicates Call Failure Firmware AT CommandReset Status Message Indicates Call DisconnectCommon Indicates Operational Message Dial Access Security MessagesDial Access Security Indicates Message Common Operational MessagesLeased19.2 Status Configure Quick Configuration DisplayLeased19.2 abbb cdd ee ffff Comsphere 3900 Series Modems DTE Status BranchStatus DeviceHS VF Device Health and Status DeviceHSDevice HS Major Minor Status Health and Status MessagesType Message Indicates Major MinorPort Type Message Indicates DialThresh SecurityNrEchLvl SigQualRcvLevel Sig/NoiseIdentity Status Identity DTE BackupLSD DTR DSR Tst Status BackupStatusBackup Line=Pri 4w APL StatusBackup Bkup2wAPL=GoodBackup Status Screens OptionsStatus 29V.33 OptionsRecord OptionsRecord Number Modem O.K Record Status Display ClearThis page intentionally left blank DCP Configuration DCP Configuration Process AT Command Configuration Process Choose Function Configure BranchLdEditAreafrm ActivOperating Editing and Saving a Configuration OptionLdEditAreafrm Factory Edit StrapGroup DTEInterface Ld Fact Preset SyncLeasedChoose Mode Answer Originate Choose Function EditSaveRemAccssPasswrd Nxt StrapsWhenDisc Nxt NoChangeChoose Function Edit Save SummarySav EditArea to ActiveSaved DTE Interface Configuration TablesDTE Interface Configuration Options Asyn Parity Bit None Nxt None Even Odd Mark Space DTE Interface Configuration Options DTE Interface Configuration Options DTE Interface Configuration Options DTE Interface Configuration Options DTE Interface Configuration Options TX Clock Source Internal Nxt Internal External RXCLoop Fallback2 Not available for TMp tributaries DTE Dialer Extend Main Ch. Disable Nxt Disable EnablePrimary data can only be extended one link DTE Dialer Configuration Options AT Escape Char 043 Asci Nxt 043 Asci CarriageRtn Char 013 Asci Nxt 013 Asci AT Commands and S-Registers AT Cmnd Mode Normal Nxt Normal NoERROR NoStrapOrERR Line Dialer Line Dialer Configuration OptionsBlind Dial Pause 2sec Nxt 2sec 4sec 6sec 8sec 10sec 20sec Line Dialer Configuration Options Line Dialer Configuration Options Line Dialer Configuration Options Dial Line Dial Line Configuration OptionsV32bis Automode Enable Nxt Enable Disable System V22b Guard Tone Disable Nxt Disable 550Hz 1800Hz Leased Line Leased Line Configuration OptionsLeased Line Configuration Options V32bis Autorate Enable Nxt Enable Disable Leased Line Configuration Options V27bis Train Short Nxt Short Long 42/MNP/Buffer 42/MNP/Buffer Configuration Options 42/MNP/Buffer Configuration Options EC Negotiat Bfr Disable Nxt Disable Enable Disab&Switch XON/XOFF Flw Cntl of DTE CTStoDTE Nxt CTStoDTE Disable XON/XOFFXON/XOFF Psthru Disable Nxt Disable Enable Break Buffr Ctl KeepData Nxt KeepData DiscardData BuffrDiscDelay 10sec Nxt 10sec Disable 60sec Test Test Configuration OptionsTest Configuration Options Misc Miscellaneous Configuration OptionsMiscellaneous Configuration Options Miscellaneous Configuration Options Security Diag Connection ModemDC Nxt ModemDC Nmscc DisableThis page intentionally left blank Poll List Branch Leased19.2 PList Control DisplayPoll List Display Clear Change function does not appear in Remote Clear function does not appear in Remote modeClear ChangePoll Listyyyyyy Ent Poll ListChang Active DeleteAdd Acquire function does not appear in Remote modeAcquire Poll ListAcquir Num Acquired yyy Poll ListAcquir Abort xxx yyyControl Branch Speaker Control Off Low Med Control Speaker ResetSpeaker Leased19.2 Control TestData Stream ResetData Stream function is not available in Async mode Data Stream Port1 DisableControl EIALEDs Data Stream Port1 EnableEialed Command Complete EIA LEDsMake Busy/Remove Make Busy Make Busy Command CompleteControl MakeBusy Control ServiceLine Service Line/Disconnect Service LineControl RemoveMakeBusy DwnLoadSoftware CloneRemote Download SoftwareSelecting Clone Remote Control DownloadCodeChoose DLL Type SCClone Clone Remote in Point-to-Point ConfigurationsClone Remote in Broadcast Configurations Cloning DC Broadcast RemoteDC Clone Results Nxt xxx Pass Clone Remote in Multipoint ConfigurationsViewing DC Broadcast Clone Results Choose DLL Type DCCloneResultsChoose Address Ent Choose Password Ent yyyyyyyyCloning a Single TMp Remote Choose DLL Type Single MultipleMPtCloneResults Nxt xxx Pass Cloning a Multiple TMp RemoteViewing Multiple TMp Clone Results Choose DLL Type MPtCloneResultsIncompat Modulat Implementing a Clone Remote OperationNo Response No Circuit VF Thresholds UpdateAccess Disabled Password InvalidRSL High dBm Nxt VF Thresholds Edit Save ResetSave VF Thresh Thd Out of Range If you want to modify additional VF thresholds, select NxtValid Ranges for VF Thresholds Default Values Test Branch Abort TestAbort Command CompleteTest Abort Self Self Test LocAnalogLoop Loc Analog LoopTestLocal Loop Started Test RemDigitalLoop Rem Digital LoopTestRemote Loop Started Loc Digital LoopTest LocDigitalLoop PatternTestDigitl Loop Started TestPattern BlksErrd=xxxxxxx Test PatternTest Branch This page intentionally left blank Leased19.2 TestSubHS Sub-Network Health Status BranchPress the key until SubHS appears. Select SubHS Call Setup function is not available in TMp Control mode Call Setup Branch10DialDirectory Nxt Leased19.2 CallSetupCall Setup Dial Disconnect DialDisconnect Disconnect Command CompleteDialDirectory01 Off Hook Answer Command Complete Call Setup AnswerAnswer Call Setup ReturntoDial Call Setup Dial StandbyDial Standby/Return to Dial Call Setup ChangeDirectory Dial Standby Command CompleteChange Directory 02 z Nxt 01 551234 z Nxt019W5556789z Nxt Valid Dial Command Modifiers Directory Status Does Not Appear in North America Call Setup DirectoryStatusNumber Status Nxt 01Allowed 10-10 Talk/Data Branch11 Talk/Data function is not available in TMp Control modeModel 3911 modems Idle19.2 Tlk/Data Online19.2 CallSetupTalk/Data Branch 11-4 Dial Access Security12 Answer Access Security Originate Access SecurityDTE-Side Passwords Leased19.2 Security Remote Security BranchSecurity SetAcessCtrl Set Access CtrlAdmin Password? Ent Set Access Ctrl EditPassWdTableSelect Index Ent EditPasswdTableEdit Password Table Group Options 12-8 Set Answer Security Group Options Set Access Ctrl SetAnswerSecSet Originate Security Group Options Set Access Ctrl SetOrigSecSet Admin PsWd Ent Set Access Ctrl SetAdminPsWdReset Security EraseAllPasswd Reset SecuritySecurity ResetSecurity Reset Security AbortSecResetSecurity Configuration Options Security Configuration OptionsEntryWaitTime 20 sec Nxt 20 sec 10 sec 40 sec 60 sec 12-14 12-15 Answer Access Password VF-Side and DTE-Side Entry Techniques Security Password Entry TechniquesOriginate Access Password Assigned to column is not stored in the modem Database Table Examples12-19 12-20 Dial Access Security 12-22 Remote Branch13 To access the Remote branch, make the following selections Select Channel Secondary Prim Data blckd Trellis Multipoint tributary modemsOnline14.4 Control ExitRem Frnt Panl Acces GrantDeny Diagnostic Control Panel Access13-6 Switching Between Data Mode and Online Command Mode AT Command Set and S-Registers14Operating Modes Command Guidelines Result Codes Result CodesNumbers Word Description Result Codes Numbers Word Description AT Command ListAT Command Format Delayed numberCommand 391x Series AT Commands DescriptionATD9W5551234 14-6 Sn=r Only displays OK, CONNECT, RING, no Carrier Dial ToneDetect Busy Tone14-9 14-10 Bert \C0 \A3\G0 \D0\N5 \X0 42bis Compression Configure\Edit\Disable V42/MNP/Buffer Register List391x Series S-Registers Description Register Format14-16 14-17 14-18 14-19 14-20 = Ascii = Ebcdic 14-22 14-23 14-24 14-25 14-26 14-27 14-28 Menu Tree a DTE Eialeds This page intentionally left blank Modem Health Troubleshooting BSymptom Action Table B-1Table B-3 Dial Backup OperationTable B-2 Leased-Line OperationModem DTE Connection Table B-4Verify that the DTE is providing DTR to the modem Modem VF ConnectionIf the DTE does not provide DTR to the modem, verify that Branch Table B-6 Pin Assignments C EIA-232-D Pin Assignments Signal Circuit Function SourceTable C-1 EIA-232-D Pin Assignments Name Pin VF Connector Pin AssignmentsTable C-2 VF Connector Pin Assignments Type of Telco Jack Leased Dial RJ11Auxiliary Cables Not Supplied Figure C-2. Wiring Diagram Y Cable for External TelephonePosition Plug PIN no Figure C-4. Wiring Diagram 25-Pin Crossover Cable Call Request Commands ITU-T V.25bis Dialing Commands D and ResponsesCall Request with Number Provided CRN Call Failure Indication CFI Call Connecting CNXCall Response Call Request with Stored Memory Address Provided CRSDisregard Incoming Call DIC Call Answer CommandsDelayed Call Indicator Incoming Call INCRequest List of Stored Numbers RLN Request List of Delayed Numbers RLDProgram Normal PRN Request List of Forbidden Numbers RLFList Stored Numbers Response LSN List Delayed Numbers Response LSDCommand Response List Forbidden Numbers Response LSFList Request Call Answer CommandsProgram Command Invalid INVCall Failure Indication Call Connecting IndicationCommand Response Valid CommandThis page intentionally left blank Table E-1 Ascii Characters Hexadecimal Decimal Control Key Ascii Character Table ECharacter 028 025026 027Ascii Character Table Table E-1 Ascii Characters Hexadecimal Decimal Control Key Default Configuration Options F DTE Interface Table F-1 Factory Default Configuration OptionsDTE Dialer Line Dialer Leased Line Default Straps When Disconnected Entry Wait Time VF Prompt Type Sample Configurations G Point-to-Point Configuration OptionsCables Multipoint Figure G-2. Sample Configuration MultipointAuto Dial Back Set to Enable Point-to-Point with Automatic Dial BackupPoint-to-Point with Network Management Carrier with Network Management Extended Multipoint Figure G-6. Sample Configuration Extended MultipointRate at 19.2K Set ports 1, 2, 3, and 4 to Extended Diagnostics 3910 E,G Adapter871A Equipment List H Equipment Feature Part NumberThis page intentionally left blank Glossary Connector Command modeConfiguration area Configuration optionDial backup Mode Control ChannelData mode Diagnostic ChannelDownstream device Error controlIndicator DownloadLeased line InterfaceKbps KeypadQuick Configuration Originate modePhase jitter Power-up self-testSecondary channel Return to DialRJ11 RJ2132bis 22bis25bis 27bisIndex DTE MNP RTS VF Thresholds Update Comsphere 3900 Series Modems Index-6