Document No -A2-GN32-41
Trademarks
Warranty, Sales, and Service Information
Important Safety Instructions
3910-A2-GN32-40
Table of Contents
Status Branch
Remote Branch
Glossary Index
List of Figures
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List of Tables
Viii
Preface
How to Use this Manual
Objectives and Reader Assumptions
Related Documents
Introduction
Features
Overview
Multipoint Applications
Leased Backup Applications
Comsphere 391x Series Models
Model
Standalone Model 3910 4-Wire/2-Wire Modem
Carrier-Mounted Model 3911 4-Wire/2-Wire Modem
United States
Government Requirements and Equipment Return
Comsphere 3900 Series Modems
Canada
Leased-Line Modulations
Technical Specifications
Technical Specifications for 391x Series Modems Description
Model Certification Number See label on modem
100 to 250 Vac, 50 to 60 Hz
Technical Specifications for 391x Series Modems
Specifications Description
Pin D-subminiature connector EIA-232-D/ITU-T
MNP Class
ITU-T
MNP
ITU-T V.42bis
391x Series Modem Package
Modem Installation
Customer-Supplied Equipment
Model 3910 Modem Installation
Model 3910 Rear Panel and Power Supply
Connecting Cables to the Model 3910 Modems
DTE Connection
Model 3910 4-Wire/2-Wire Leased-Line Connection
Model 3910 Dial Backup Connection
Model 3910 Leased Backup Connection
Network Management System Connection
Power Supply Connection
Modem Power-Up
Power On Selftst Passed
Using the Diagnostic Control Panel DCP
Selecting Factory Configuration Options
Type AT
Using AT Commands
Type AT&Fy&Wn
Removing and Replacing Model 3910 Modems
Model 3911 Modem Installation
Installing a Model 3911 Modem
Circuit Pack Lock
Removing and Replacing Model 3911 Modems
DCP Operation
Diagnostic Control Panels
Model 3910 DCP
Model 3910 Diagnostic Control Panel
Optional SDCP, Model 3911 Faceplate, and Optional SDU
Status Indicators
Diag
Model 3910 and Model 3911 DCP LEDs
Label Color Indicates Pwr
Alrm
Diagnostic Control Panel Operation
LCD Display
Key
Keypad
Top-Level Menu Status and Operational Messages
Menu Structure
Top-Level Menu Status
Call Setup
Dial Backup or
Leased Backup
Status Message Indicates Call Failure
Firmware
AT Command
Reset
Status Message Indicates Call Disconnect
Common Indicates Operational Message
Dial Access Security Messages
Dial Access Security Indicates Message
Common Operational Messages
Leased19.2 Status Configure
Quick Configuration Display
Leased19.2 abbb cdd ee ffff
Comsphere 3900 Series Modems
DTE
Status Branch
Status DeviceHS VF
Device Health and Status DeviceHS
Device HS Major Minor
Status
Health and Status Messages
Type Message Indicates Major
Minor
Port
Type Message Indicates Dial
Thresh
Security
NrEchLvl
SigQual
RcvLevel
Sig/Noise
Identity
Status Identity DTE
Backup
LSD DTR DSR Tst
Status
Backup
StatusBackup Line=Pri 4w APL
StatusBackup Bkup2wAPL=Good
Backup Status Screens
OptionsStatus 29V.33
Options
Record
Options
Record Number Modem O.K
Record Status Display Clear
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DCP Configuration
DCP Configuration Process
AT Command Configuration Process
Choose Function
Configure Branch
LdEditAreafrm ActivOperating
Editing and Saving a Configuration Option
LdEditAreafrm Factory
Edit StrapGroup DTEInterface
Ld Fact Preset SyncLeased
Choose Mode Answer Originate
Choose Function EditSave
RemAccssPasswrd Nxt
StrapsWhenDisc Nxt NoChange
Choose Function Edit Save
Summary
Sav EditArea to ActiveSaved
DTE Interface
Configuration Tables
DTE 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 Enable
Primary 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 Options
Blind 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 Options
V32bis Automode Enable Nxt Enable Disable System
V22b Guard Tone Disable Nxt Disable 550Hz 1800Hz
Leased Line
Leased Line Configuration Options
Leased 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/XOFF
XON/XOFF Psthru Disable Nxt Disable Enable
Break Buffr Ctl KeepData Nxt KeepData DiscardData
BuffrDiscDelay 10sec Nxt 10sec Disable 60sec
Test
Test Configuration Options
Test Configuration Options
Misc
Miscellaneous Configuration Options
Miscellaneous Configuration Options
Miscellaneous Configuration Options
Security
Diag Connection ModemDC Nxt ModemDC Nmscc Disable
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Poll List Branch
Leased19.2 PList Control
Display
Poll List Display Clear
Change function does not appear in Remote
Clear function does not appear in Remote mode
Clear
Change
Poll Listyyyyyy Ent
Poll ListChang Active Delete
Add
Acquire function does not appear in Remote mode
Acquire
Poll ListAcquir Num Acquired yyy
Poll ListAcquir Abort xxx yyy
Control Branch
Speaker Control Off Low Med
Control Speaker Reset
Speaker
Leased19.2 Control Test
Data Stream
Reset
Data Stream function is not available in Async mode
Data Stream Port1 Disable
Control EIALEDs
Data Stream Port1 Enable
Eialed Command Complete
EIA LEDs
Make Busy/Remove Make Busy
Make Busy Command Complete
Control MakeBusy
Control ServiceLine
Service Line/Disconnect Service Line
Control RemoveMakeBusy
DwnLoadSoftware CloneRemote
Download Software
Selecting Clone Remote
Control DownloadCode
Choose DLL Type SCClone
Clone Remote in Point-to-Point Configurations
Clone Remote in Broadcast Configurations
Cloning DC Broadcast Remote
DC Clone Results Nxt xxx Pass
Clone Remote in Multipoint Configurations
Viewing DC Broadcast Clone Results
Choose DLL Type DCCloneResults
Choose Address Ent
Choose Password Ent yyyyyyyy
Cloning a Single TMp Remote
Choose DLL Type Single Multiple
MPtCloneResults Nxt xxx Pass
Cloning a Multiple TMp Remote
Viewing Multiple TMp Clone Results
Choose DLL Type MPtCloneResults
Incompat Modulat
Implementing a Clone Remote Operation
No Response
No Circuit
VF Thresholds Update
Access Disabled
Password Invalid
RSL High dBm Nxt
VF Thresholds Edit Save Reset
Save VF Thresh Thd Out of Range
If you want to modify additional VF thresholds, select Nxt
Valid Ranges for VF Thresholds Default Values
Test Branch
Abort
TestAbort Command Complete
Test Abort Self
Self
Test LocAnalogLoop
Loc Analog Loop
TestLocal Loop Started
Test RemDigitalLoop
Rem Digital Loop
TestRemote Loop Started
Loc Digital Loop
Test LocDigitalLoop
Pattern
TestDigitl Loop Started
TestPattern BlksErrd=xxxxxxx
Test Pattern
Test Branch
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Leased19.2 TestSubHS
Sub-Network Health Status Branch
Press the key until SubHS appears. Select SubHS
Call Setup function is not available in TMp Control mode
Call Setup Branch10
DialDirectory Nxt
Leased19.2 CallSetup
Call Setup Dial Disconnect
Dial
Disconnect
Disconnect Command Complete
DialDirectory01 Off Hook
Answer Command Complete
Call Setup Answer
Answer
Call Setup ReturntoDial
Call Setup Dial Standby
Dial Standby/Return to Dial
Call Setup ChangeDirectory
Dial Standby Command Complete
Change Directory
02 z Nxt
01 551234 z Nxt
019W5556789z Nxt
Valid Dial Command Modifiers
Directory Status Does Not Appear in North America
Call Setup DirectoryStatus
Number Status Nxt 01Allowed
10-10
Talk/Data Branch11
Talk/Data function is not available in TMp Control mode
Model 3911 modems
Idle19.2 Tlk/Data
Online19.2 CallSetup
Talk/Data Branch
11-4
Dial Access Security12
Answer Access Security
Originate Access Security
DTE-Side Passwords
Leased19.2 Security Remote
Security Branch
Security SetAcessCtrl
Set Access Ctrl
Admin Password? Ent
Set Access Ctrl EditPassWdTable
Select Index Ent
EditPasswdTable
Edit Password Table Group Options
12-8
Set Answer Security Group Options
Set Access Ctrl SetAnswerSec
Set Originate Security Group Options
Set Access Ctrl SetOrigSec
Set Admin PsWd Ent
Set Access Ctrl SetAdminPsWd
Reset Security EraseAllPasswd
Reset Security
Security ResetSecurity
Reset Security AbortSecReset
Security Configuration Options
Security Configuration Options
EntryWaitTime 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 Techniques
Originate Access Password
Assigned to column is not stored in the modem
Database Table Examples
12-19
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 modems
Online14.4 Control ExitRem
Frnt Panl Acces GrantDeny
Diagnostic Control Panel Access
13-6
Switching Between Data Mode and Online Command Mode
AT Command Set and S-Registers14
Operating Modes
Command Guidelines
Result Codes
Result Codes
Numbers Word Description
Result Codes Numbers Word Description
AT Command List
AT Command Format
Delayed number
Command
391x Series AT Commands Description
ATD9W5551234
14-6
Sn=r
Only displays OK, CONNECT, RING, no Carrier
Dial Tone
Detect
Busy Tone
14-9
14-10
Bert
\C0
\A3
\G0
\D0
\N5
\X0
42bis Compression Configure\Edit\
Disable V42/MNP/Buffer
Register List
391x Series S-Registers Description
Register Format
14-16
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
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Modem Health
Troubleshooting B
Symptom Action
Table B-1
Table B-3
Dial Backup Operation
Table B-2
Leased-Line Operation
Modem DTE Connection
Table B-4
Verify that the DTE is providing DTR to the modem
Modem VF Connection
If 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 Source
Table C-1 EIA-232-D Pin Assignments Name
Pin
VF Connector Pin Assignments
Table C-2 VF Connector Pin Assignments Type of Telco Jack
Leased Dial RJ11
Auxiliary Cables Not Supplied
Figure C-2. Wiring Diagram Y Cable for External Telephone
Position Plug PIN no
Figure C-4. Wiring Diagram 25-Pin Crossover Cable
Call Request Commands
ITU-T V.25bis Dialing Commands D and Responses
Call Request with Number Provided CRN
Call Failure Indication CFI
Call Connecting CNX
Call Response
Call Request with Stored Memory Address Provided CRS
Disregard Incoming Call DIC
Call Answer Commands
Delayed Call Indicator
Incoming Call INC
Request List of Stored Numbers RLN
Request List of Delayed Numbers RLD
Program Normal PRN
Request List of Forbidden Numbers RLF
List Stored Numbers Response LSN
List Delayed Numbers Response LSD
Command Response
List Forbidden Numbers Response LSF
List Request
Call Answer Commands
Program Command
Invalid INV
Call Failure Indication
Call Connecting Indication
Command Response
Valid Command
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Table E-1 Ascii Characters Hexadecimal Decimal Control Key
Ascii Character Table E
Character
028
025
026
027
Ascii Character Table
Table E-1 Ascii Characters Hexadecimal Decimal Control Key
Default Configuration Options F
DTE Interface
Table F-1 Factory Default Configuration Options
DTE Dialer
Line Dialer
Leased Line
Default
Straps When Disconnected
Entry Wait Time VF Prompt Type
Sample Configurations G
Point-to-Point
Configuration Options
Cables
Multipoint
Figure G-2. Sample Configuration Multipoint
Auto Dial Back Set to Enable
Point-to-Point with Automatic Dial Backup
Point-to-Point with Network Management
Carrier with Network Management
Extended Multipoint
Figure G-6. Sample Configuration Extended Multipoint
Rate at 19.2K Set ports 1, 2, 3, and 4 to
Extended Diagnostics
3910 E,G
Adapter
871A
Equipment List H
Equipment Feature Part Number
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Glossary
Connector
Command mode
Configuration area
Configuration option
Dial backup
Mode Control Channel
Data mode
Diagnostic Channel
Downstream device
Error control
Indicator
Download
Leased line
Interface
Kbps
Keypad
Quick Configuration
Originate mode
Phase jitter
Power-up self-test
Secondary channel
Return to Dial
RJ11
RJ21
32bis
22bis
25bis
27bis
Index
DTE
MNP
RTS
VF Thresholds Update
Comsphere 3900 Series Modems Index-6