S84 ± AT Command Mode, S85 ± Fast Disconnect | Paradyne 3821PLUS

COMSPHERE 3821Plus Modem

Table 4-2

(9 of 10)

3821Plus S-Registers

S84 ± AT Command Mode

Determines how the modem responds to valid and invalid AT commands. The selections No ERROR and No Strap or ERROR permit installation into applications that are customized for a different modem.

Register has the following values:

0 = Normal.

1 = No ERROR. The modem executes all valid commands, ignores invalid commands, and never issues an ERROR message.

2 = No Strap or ERROR. The modem ignores all configuration commands, but always issues an OK response message.

The value of S84 is Normal when the modem is shipped. The value of S84 is not affected by factory default templates.

S85 ± Fast Disconnect

Allows the modem to disconnect immediately after receiving a disconnect command.

Register has the following values:

0 = Disable

1 = Enable

Factory setting is Disable.

S88 ± Straps When Disconnected

Determines if configuration options in the Active (Saved) configuration area are loaded to Active (Operating) when the modem disconnects.

Register has the following values:

0 or 231 = No Change

1 or 232 = Reload

The value of S88 is No Change when the modem is shipped. The value of S88 is not affected by factory default templates.

S89 ± V.42 ARQ Window Size Increase

Register allows the V.42 Automatic Request for Transmission (ARQ) window size to be set to a value from 6 to 15 frames to accommodate satellite delays.

Register has the following values:

0 = Automatic Adjust (6±15 frames)

1 = 7 frames

2 = 8 frames

3 = 9 frames

D D

D D

9 = 15 frames

This command applies only to connections made using V.42bis data compression or V.42 error control.

Factory setting is Automatic Adjust.

S90 ± DTE Rate = VF Rate

Register forces the DTE (computer) data rate to be equal to the VF (telephone line) data rate.

Register has the following values:

0 = Disable

1 = Enable

Factory setting is Disable.

4-24

January 1999

3821-A2-GB20-40

Image 100

Paradyne 3821PLUS S84 ± AT Command Mode, S85 ± Fast Disconnect, S88 ± Straps When Disconnected, S90 ± DTE Rate = VF Rate

Contents

Comsphere 3821PLUS Modem Trademarks Warranty, Sales, and Service InformationCopyright 1999 Paradyne Corporation. All rights reserved Important Safety Instructions DG CD Government Requirements and Equipment Return United States United Kingdom Ringer Equivalence Number CanadaConnection to Leased Lines Japan All European Countries Safety NoticeRestrictions Comsphere 3821Plus Modem Table of Contents Fax Operation Technical Specifications Pin Assignments Comsphere 3821Plus Modem Preface How to Use This ManualObjectives and Reader Assumptions Related Documents Introduction FeaturesOverview Status Indicators Optional SDCP, 3821Plus Faceplate, and Optional SDU 3821Plus LEDs Label Color Indicates Sdcp Operation Keypad 3821Plus Installation 3821Plus Modem InstallationInstall the Carrier Procedure Install the NIMCable the NIM Attach the DTE Interface Assembly DTE Interface Assembly Install the Circuit Card Connect the DTE Select Factory Configuration Options Install Communications SoftwareSelecting Configurations Using the Sdcp Selecting Configurations Using AT Commands Type AT Type AT&Fy&Wn Comsphere 3821Plus Modem January Sdcp Menus Menu Structure Modem Select Alarm Status Indicates Message Modem Status MessagesTop-Level Menu Status Status Message Setup Messages MessagesCall Disconnect Indicates Messages Normal Call AT Command Indicates Reset Message Download ResultCommon Operational Messages Common Indicates Dial Access Security Messages Dial Access Indicates Security Messages Quick Configuration Display Modem Select Branch Comsphere 3821Plus Modem Call Setup Branch CallSetupDial Disconnect Change Directory 02 Nxt # Status Branch StatusIdentity Options Record Options IdentityRecord Test Branch AbortSelf Local Analog Loop Local Digital Loop Remote Digital LoopPattern Configure Branch Sync Leased Answer/Originate, Unix Dial Editing and Saving a Configuration Option Configure Edit StrapGroup Test Misc StrapsWhenDisc Nxt NoChange DTE Interface DTE Interface Configuration Options Async/Sync Mode Async Nxt Async Sync DTE Interface Configuration Options DTE Interface Configuration Options RTS Action Ignore Nxt Ignore StndrdRS232 SimCntlCar RTS/CTS Delay 0 msec Nxt 0msec 10msec 50msec 150msec 600msec DTE Rate=VF Disable End Disable Enable DTE Dialer DTE Dialer Configuration OptionsAT Escape Char 043 Asci Nxt 043 Asci BreakForceEscap Disable Nxt Disable Enable CommandCharEcho Enable Nxt Enable DisableCarriageRtn Char 013 Asci Nxt ↑ 013 Asci Backspace Char 008 Asci Nxt ↑ 008 Asci Result Codes Enable Nxt Enable Disable EnableInOrig Linefeed Char 010 Asci Nxt ↑ 010 Asci ResultCode Form Words Nxt Words Numbers 1 Numbers AT Cmnd Mode Normal Nxt Normal NoERROR NoStrapOrERRV25bis Coding Ascii Nxt Ascii Ebcdic V25bis IdleFill Mark Nxt Mark Flag DTR Cont Repeat Disable End Disable Enable25b NewLineChr CR+LF Nxt CR+LF CR LF Line Dialer Configuration Options Line Dialer BusyTone Detect Enable Nxt Enable Disable Fast Disconnect Disable Nxt Disable Enable``,º Pause Time 2sec Nxt 2sec 4sec 6sec 8sec 10sec 20sec NoAnswer Timout 45sec Nxt 45sec 30sec 60sec 120sec No Carrier Disc 2sec Nxt 2sec 5sec Disable 10sec 20sec Long Space Disc Enable Nxt Enable DisableNo Data Disc Disable Nxt Disable 10min 30min 60min Auto Make Busy Disable Nxt Disable Enable MakeBusyViaDTR Disable End Disable Enable Dial Line Dial Line Configuration OptionsModulation Nxt V34 V32bis/terbo V21/V22/BELL Automode Enable Nxt Enable Disable System Autorate Enable Nxt Enable Disable StartAt48 StartAt96 Asymmetric Rate Enable End Enable Disable V22b Guard Tone Disable Nxt Disable 550Hz 1800HzTrain Time Long Nxt Long Short Leased Line Configuration Options Leased Mode 2WLL-Orig Nxt 2WLL-Orig 2WLL-AnsLeased Line Modulation Nxt V34 V32bis/terbo V22bis Autorate Enable Nxt Enable Disable CarrierOn Level ± 43dbm Nxt ± 43dbm ± 33dbm ± 26dbm 42/MNP/Buffer Configuration Options 42/MNP/Buffer Factory default is AT command equivalent is %An 42/MNP/Buffer Configuration Options 42/MNP/Buffer Configuration Options 42/MNP/Buffer Configuration Options Test Configuration Options Test Timeout Disable Nxt Disable 30sec 60sec 240secRcv Remote Loop Enable Nxt Enable Disable Test Miscellaneous Configuration Options Access frm Remt Enable Nxt Enable DisableMisc StrapsWhenDisc NoChange Nxt NoChange Reload RelodNoATChg NetMngmtAddress Nxt NMS DTR Alarm Disable Nxt Disable EnableNetworkPosition Tributary Nxt Tributary Control Security Configuration Options ResetService Line or Disconnect Service Line Control Branch Download Code Clone To Remote Automatic Firmware Download Remote BranchSecurity Branch Download Failure Comsphere 3821Plus Modem January Switching Between Data Mode and Online Command Mode AT Commands and S-RegistersOperating Modes Command Guidelines AT Command List 3821Plus AT Commands En ± Command Character Echo Hn ± Hook Switch Control± Return to Online or Data Mode DS=n ± Dial Stored Number ± Pulse Dial Qn ± Result CodesSn =r ± Change S-Register Sn? ± Display S-Register Zn ± Reset and Load Active Yn ± Long Space Disconnect ″ F ± Clear Error Buffer ″ Hn ± V.42bis CompressionP1 ± Clone Remote Cn ± LSD Control Fn ± Select Factory Default Configuration Options DisableDn ± DTR Action Gn ± V.22bis Guard Tone ± Dial Transmit Level for Cellular Auto Ln ± Leased ModeJn ± Dial Transmit Type M0, &Q, &Q0 Mn or &Qn ± Async/Sync Mode and DTE Dialer TypeRn ± RTS Action Vn ± View Configuration Options Sn ± DSR ControlTn ± Tests Wn ± Write Save to Memory An ± Error Control Fallback Character Xn ± Transmit Clock SourceZn =x ± Store Telephone Numbers Bn, %BLn ± Modulation/Data Rate +FCLASS=n ± Service Class Selection \Cn ± Error Control Negotiate BufferCn ± MNP5 Data Compression \ An ± Maximum Frame Size \Nn ± Error Control Mode Break Buffer Control \ Xn ± XON/XOFF Passthrough \Tn ± No Data Disconnect Timer\X, \ Register List 3821Plus S-RegistersS0 ± Auto-Answer Ring Number S2 ± AT Escape Character S7 ± No Answer Timeout S4 ± Line Feed CharacterS5 ± Backspace Character S6 ± Blind Dial Pause S14 ± Asymmetric Rate Mode S18 ± Test TimeoutS26 ± RTS-to-CTS Delay S39 ± Receive Buffer Disconnect Delay S41 ± Dial-Line Rate S40 ± Auto Make BusyS43 ± Train Time S45 ± Leased Line Transmit Level S44 ± Leased Line RateS48 ± Leased Line Carrier On Level S49 ± Transmit Buffer Disconnect Delay S55 ± Access from RemoteS56 ± Remote Access Password Part S57 ± Remote Access Password Part S63 ± V.25bis Idle Character S64 ± V.25bis New Line CharacterS66 ± NMS Call Messages S69 ± Make Busy Via DTR S77 ± DTR Alarm Reporting S80 ± No Data Disconnect Trigger SignalS76 ± Autorate Dial Line S78 ± Automode Dial Line S84 ± AT Command Mode S88 ± Straps When DisconnectedS85 ± Fast Disconnect S89 ± V.42 ARQ Window Size Increase S91 ± Cellular Enhancement S93 ± RJ11 Cellular Adapt Recovering AT Commands Type T Initialization Strings 25bis ApplicationsSynchronous Leased-Line Applications AT&T Exclusive Dialing for Datakit Applications Comsphere 3821Plus Modem January Fax Operation Fax Operation Comsphere 3821Plus Modem January Remote Access Remote Access Online Control ExitRem Administration Password Password TypesSecurity VF Passwords DTE PasswordsOriginate Security Answer Security SetAccessCtrl ResetSecurity Set Access CtrlCallback Security Edit Password Table Group Options PsWdType Nxt Cleared DTE Entry VFEntry VFplusDTE Edit PsWd Nxt yyyyyyyy or zzzzzz Save Edit? Edit Save Yes No Set Answer Security Group Option Set Answer Sec NoAnswSec NoAnswSec DTEOnly VF&DTE VFw/DTE Set Originate Security Group Option Set Callback Security Group OptionSet Orig Secur NoOrigSec NoOrigSec EnaOrigSec Set CallBack Sec NoCallBack NoCallBack EnaCallBack Reset Security Set Admin PsWd Security Configuration Options Security Configuration OptionsEntryWaitTime 20 sec Nxt 20 sec 10 sec 40 sec 60 sec VFPromptType 2ndDialTone Nxt 2ndDialTone QuietAnswer GetUserID Disable Nxt Disable Enable DTEPWTermChar NxtDTEPWBkSpChar Nxt NMSReporting Nxt CallBackSecur Disable End Disable Enable OriginateSecur NoOrigSec Nxt NoOrigSec EnaOrigSec Comsphere 3821Plus Modem January Sdcp Menu Tree a CallSetup Dial Answer Disconnect ChangeDirectory Status Test Configure Control Remote Security Secondary Prim data blckd Result Codes B Table B-1 Result Codes Numbers Word Description Connect Connection at 19,200 bps Forbidden Comsphere 3821Plus Modem Troubleshooting C Symptom ActionTable C-1 Modem Health Table C-2 Online OperationTable C-3 Leased-Line Operation Modem ± VF Connection Table C-5 Table C-6 Fax Operation Automatic Firmware Download Comsphere 3821Plus Modem Model 3821Plus Technical Specifications Technical Specifications DSpecifications Description Environment Modem Card Signal Circuit Function Pin Source Pin Assignments EEIA-232-E Pin Assignments Table E-1 EIA-232-E Pin Assignments Name JM8 to RJ11 Crossover Cable NIM Cable Pin Assignments Comsphere 3821Plus Modem ITU-T V.25bis Dialing Commands F and Responses Call Request Commands Call Response Call Answer Commands Program Normal PRNRequest List of Stored Numbers RLN List Stored Number Response LSN Valid VAL Command ResponseInvalid INV List Response Comsphere 3821Plus Modem Equipment Order Number Part Number Equipment List GOptional Equipment Comsphere 3821Plus Modem Country-Specific ConfigurationOptions H Configuration Options by Country Code Table H-1 Configuration Options by Country a through M Strap Description Pause Time S8 No Answer Timeout Line Crnt Disc S65 No Data Disc \T2 \Tn \T3 Permissv ±9 Leased TX Level DBm S45=0 Table H-2 Configuration Options by Country N through Z Pause Time S8 Answer Timeout Line Crnt Disc S65 No Data Disc \Tn = Valid = Invalid = Factory Default ETC1.1 I100 Disable 550Hz ±43 dBm S48=0 Comsphere 3821Plus Modem Glossary Active Operating Ccitt CSA DOC ISO PBX 32terbo Xoff Symbols Index Index-2 DTR Datakit Index-5 Index-6 00282600