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Paradyne manual Model 3830 S-Registers S84  AT Command Mode, S85  Fast Disconnect

Models: 3830

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4. AT Command Set and S-Registers

Table 4-3

(18 of 20)

Model 3830 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.

Factory setting is Normal.

S85  Fast Disconnect

Allows the modem to disconnect immediately after receiving a disconnect command from a local DTE or its own diagnostic control panel.

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

Factory setting is No Change.

3830-A2-GB91-30

August 1998

4-47

Image 83

Paradyne manual Model 3830 S-Registers S84  AT Command Mode, S85  Fast Disconnect, S88  Straps When Disconnected

Contents

Comsphere 3800 Series Modems Model Series Modems Model ComsphereTrademarks Warranty, Sales, and Service InformationImportant Safety Instructions Safety Instructions F FC FC F CCC C FC CC FC C C United States Government Requirements and Equipment ReturnComsphere 3800 Series Modems ± Model Canada Switched Telephone NetworkComsphere 3800 Series Modems ± Model Table of Contents Appendices AT Command Set and S-RegistersFigures List of FiguresTables List of TablesObjectives and Reader Assumptions How to Use this ManualPreface Related Documents Overview IntroductionFeatures Model 3830 Front Panel Status Indicators LEDsLabel Color Indicates Model 3830 LEDsRate Model 3830 LEDs Label Color IndicatesComsphere 3800 Series Modems ± Model August Model 3830 Modem Package Model 3830 Modem InstallationCustomer- Supplied Equipment Model 3830 InstallationModel 3830 Rear Panel Dial-Line Connection DTE ConnectionTelephone Connection Wire Leased-Line ConnectionAC Power Transformer Connection Modem Power-Up Communications Software InstallationSelecting Factory Configuration Options Type AT&Fy&Wn Recovering AT Commands Press Enter 25bis Applications Initialization StringsAT&T Exclusive Dialing for Datakit Applications Synchronous Leased-Line ApplicationsFax Operation Fax OperationComsphere 3800 Series Modems ± Model Operating Modes AT Command Set and S-RegistersEscape Sequence and Escape Guard Time Switching Between Data Mode and Online Command ModeCommand Guidelines Result Codes Result CodesConnection at 7200 bps Connection at 16,800 bps AT Command List  ITU-T/Bell Mode Model 3830 AT Commands  AT Command Recovery Mode Repeat Last Command  Answer ModeATD9,5551234 Model 3830 AT Commands Dn  DialDS=n  Dial Stored Number Model 3830 AT CommandsEn  Command Character Echo Hn  Hook Switch ControlMn  Speaker On/Off Model 3830 AT Commands  IdentificationLn  Speaker Volume  Return to Online or Data Mode Tone Dial Model 3830 AT Commands Qn  Result CodesSn=r  Change S-Register Sn?  Display S-RegisterExtended Result Code Yn  Long Space Disconnect Zn  Reset and Load ActiveModel 3830 AT Commands Cn  LSD Control Fn  Select Factory Default Configuration Options Model 3830 AT Commands Dn  DTR ActionGn  V.22bis Guard Tone G0 DisableOption Value Jn  Dial Transmit Type Ln  Leased ModeComsphere 3800 Series Modems ± Model Model 3830 AT Commands Model 3830 AT Commands Sn  DSR Control Model 3830 AT Commands Tn  Tests Xn  Transmit Clock Source Model 3830 AT Commands Vn  View Configuration OptionsWn  Write Save to Memory \A3 Model 3830 AT Commands Zn=x  Store Telephone Numbers\An  Maximum Frame Size \Gn Modem to Modem Flow Control Model 3830 AT Commands \Cn  Error Control Negotiate Buffer\Dn  CTS Control Break Buffer Control \Q2 Model 3830 AT Commands Nn  Error Control Mode\ Xn  XON/XOFF Passthrough Flow Control Model 3830 AT Commands \Tn  No Data Disconnect TimerAn  Error Control Fallback Character Model 3830 AT Commands Bn  Modulation and Data Rate ″ Hn  V.42bis Compression Model 3830 AT Commands Cn  MNP5 Data CompressionRn  DTE Rate Model 3830 S-Registers S0  Auto-Answer Ring Number Register ListS5  Backspace Character Model 3830 S-Registers S2  AT Escape CharacterS3  Carriage Return Character S4  Line Feed CharacterS10  No Carrier Disconnect S7  No Answer TimeoutModel 3830 S-Registers S6  Blind Dial Pause S8  ``,º Pause Time for the Dial ModifierS34  1800 Hz Training Tone Model 3830 S-Registers S18  Test TimeoutS26  RTS-to-CTS Delay S36  Rate Auto Originate Model 3830 S-Registers S35  Auto Redial Leased LineS38  DTR Cont Repeat Model 3830 S-Registers S37  Auto RedialS41  Dial-Line Rate Model 3830 S-Registers S39  Receive Buffer Disconnect DelayS45  Leased Line Transmit Level Model 3830 S-Registers S43  V.32bis TrainS44  Leased-Line Rate S47  Auto Dial Standby Model 3830 S-Registers S46  Bad Lines Auto OriginateS51  DTE Remote Loopback CT140 S49  Transmit Buffer Disconnect DelayModel 3830 S-Registers S48  Leased Line Carrier On Level S53  V.54 Address S55  Access from RemoteS56  Remote Access Password Model 3830 S-Registers S52  DTE Local Loopback CT141S61  CT111 Rate Control Model 3830 S-Registers S57  Remote Access PasswordS58  Remote Access Password S59  Remote Access PasswordS64  V.25bis New Line Character Model 3830 S-Registers S62  V.25bis CodingS63  V.25bis Idle Character S67  Directory Location 1 Callback Model 3830 S-Registers S65  Line Current DisconnectS66  NMS Call Messages S76  V.32bis Autorate Dial Line Model 3830 S-Registers S69  Make Busy Via DTRS74  Network Position Identification S75  Network Management AddressS78  V.32bis Automode Dial Line Model 3830 S-Registers S77  DTR Alarm ReportingS82  V.32bis Autorate Leased Line S81  Leased Line Signal Quality RetrainS85  Fast Disconnect Model 3830 S-Registers S84  AT Command ModeS88  Straps When Disconnected S90  DTE Rate = VF Rate Model 3830 S-Registers S89  V.42 ARQ Window Size IncreaseS93  RJ11 Cellular Adapt Model 3830 S-Registers S91  Cellular EnhancementsComsphere 3800 Series Modems ± Model August Troubleshooting a Modem Health Symptom ActionTable A-1 Modem ± DTE Connection Table A-2Table A-3 Modem ± VF Connection Symptom Action Modem Ð DTE Connection Modem ± VF Connection Online Operation Table A-4Leased-Line Operation Table A-5Technical Specifications Technical Specifications BCompatibility Table B-1 Model 3830 Technical Specifications DescriptionPower Error Control Table C-1 EIA-232-D Pin Assignments RS-232 Name Signal Circuit Pin Source FunctionPin Assignments C EIA-232-D Pin AssignmentsSignal Source Circuit Function VF Connector Pin Assignments Comsphere 3800 Series Modems ± Model Leased CenterComsphere 3800 Series Modems ± Model ITU-T V.25bis Dialing Commands Response D Call Request Commands Call Request with Stored Memory Address Provided CRS Call ResponseCall Request with Number Provided CRN Call Failure Indication CFI Call Connecting CNXConnect Incoming Call CIC Call Answer CommandsIncoming Call INC Disregard Incoming Call DICList Stored Number Response LSN Program Normal PRNRequest List of Stored Numbers RLN Invalid INV Command ResponseValid VAL Call Request Commands List Response Comsphere 3800 Series Modems ± Model Active Operating GlossaryAsynchronous CSA DCE DOC FCC ITU-T JM8 PBX Pstn Xoff Comsphere 3800 Series Modems ± Model Glossary-12 Index SymbolsIndex-2 Index Index-4 DTR Index-6 Index-7 Index-8 Index-9 Index-10 Index-11 Index-12