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Paradyne 3830 manual JM8

Models: 3830

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COMSPHERE 3800 Series Modems ± Model 3830

ITU-T V.42

ITU-T V.42 bis

ITU-T V.54

JM8

leased line

LED

local analog loopback

long space disconnect

loopback test

LSD

MNP

modem

ITU-T standard for error control protocol.

ITU-T standard for data compression.

ITU-T standard for local and remote diagnostic loopback tests.

A jack used for leased-line networks. Pins 1 and 2 are the transmit pair and Pins 7 and 8 are the receive pair.

A private line connection exclusively for the user. No dialing is necessary.

Light-Emitting Diode. A light or status indicator on the DCP that glows in response to the presence of a certain condition (e.g., Alrm).

The modem's transmit VF signal is looped to its receiver.

A disconnect can occur if the modem receives an extended space from a remote modem; for example, when a remote modem is commanded to disconnect, it transmits a continuous space to the modem before disconnecting.

Any test that verifies a device's integrity by connecting the device's output of one direction to the device's input of the other direction, then checking the received signal for errors.

Line Signal Detect. A signal between the DTE and modem indicating energy exists on the transmission circuit.

This protocol (Microcom Networking Protocol) detects and corrects data errors caused by telephone line noise and signal distortion. MNP5 includes data compression.

(Modulator/DEModulator). A device that transforms signals from digital to analog form and vice versa.

Glossary-8

August 1998

3830-A2-GB91-30

Image 122

Paradyne 3830 manual JM8

Contents

Comsphere 3800 Series Modems Model Comsphere Series Modems ModelWarranty, Sales, and Service Information TrademarksImportant Safety Instructions Safety Instructions F FC FC F CCC C FC CC FC C C Government Requirements and Equipment Return United StatesComsphere 3800 Series Modems ± Model Switched Telephone Network CanadaComsphere 3800 Series Modems ± Model Table of Contents AT Command Set and S-Registers AppendicesList of Figures FiguresList of Tables TablesObjectives and Reader Assumptions How to Use this ManualPreface Related Documents Introduction OverviewFeatures Status Indicators LEDs Model 3830 Front PanelModel 3830 LEDs Label Color IndicatesModel 3830 LEDs Label Color Indicates RateComsphere 3800 Series Modems ± Model August Model 3830 Modem Installation Model 3830 Modem PackageModel 3830 Installation Customer- Supplied EquipmentModel 3830 Rear Panel DTE Connection Dial-Line ConnectionTelephone Connection Wire Leased-Line ConnectionAC Power Transformer Connection Communications Software Installation Modem Power-UpSelecting Factory Configuration Options Type AT&Fy&Wn Recovering AT Commands Press Enter Initialization Strings 25bis ApplicationsSynchronous Leased-Line Applications AT&T Exclusive Dialing for Datakit ApplicationsFax Operation Fax OperationComsphere 3800 Series Modems ± Model AT Command Set and S-Registers Operating ModesSwitching Between Data Mode and Online Command Mode Escape Sequence and Escape Guard TimeCommand Guidelines Result Codes Result CodesConnection at 7200 bps Connection at 16,800 bps AT Command List  Answer Mode Model 3830 AT Commands  AT Command Recovery Mode Repeat Last Command  ITU-T/Bell ModeModel 3830 AT Commands Dn  Dial ATD9,5551234Hn  Hook Switch Control Model 3830 AT CommandsEn  Command Character Echo DS=n  Dial Stored Number Return to Online or Data Mode Model 3830 AT Commands  IdentificationLn  Speaker Volume Mn  Speaker On/OffSn?  Display S-Register Model 3830 AT Commands Qn  Result CodesSn=r  Change S-Register  Tone DialExtended Result Code Zn  Reset and Load Active Yn  Long Space DisconnectModel 3830 AT Commands Cn  LSD Control Model 3830 AT Commands Dn  DTR Action Fn  Select Factory Default Configuration OptionsGn  V.22bis Guard Tone G0 DisableOption Value Ln  Leased Mode Jn  Dial Transmit TypeComsphere 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 Model 3830 AT Commands Nn  Error Control Mode \Q2\ 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 Register List Model 3830 S-Registers S0  Auto-Answer Ring NumberS4  Line Feed Character Model 3830 S-Registers S2  AT Escape CharacterS3  Carriage Return Character S5  Backspace CharacterS8  ``,º Pause Time for the Dial Modifier S7  No Answer TimeoutModel 3830 S-Registers S6  Blind Dial Pause S10  No Carrier DisconnectS34  1800 Hz Training Tone Model 3830 S-Registers S18  Test TimeoutS26  RTS-to-CTS Delay Model 3830 S-Registers S35  Auto Redial Leased Line S36  Rate Auto OriginateModel 3830 S-Registers S37  Auto Redial S38  DTR Cont RepeatModel 3830 S-Registers S39  Receive Buffer Disconnect Delay S41  Dial-Line RateS45  Leased Line Transmit Level Model 3830 S-Registers S43  V.32bis TrainS44  Leased-Line Rate Model 3830 S-Registers S46  Bad Lines Auto Originate S47  Auto Dial StandbyS51  DTE Remote Loopback CT140 S49  Transmit Buffer Disconnect DelayModel 3830 S-Registers S48  Leased Line Carrier On Level Model 3830 S-Registers S52  DTE Local Loopback CT141 S55  Access from RemoteS56  Remote Access Password S53  V.54 AddressS59  Remote Access Password Model 3830 S-Registers S57  Remote Access PasswordS58  Remote Access Password S61  CT111 Rate ControlS64  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 S75  Network Management Address Model 3830 S-Registers S69  Make Busy Via DTRS74  Network Position Identification S76  V.32bis Autorate Dial LineModel 3830 S-Registers S77  DTR Alarm Reporting S78  V.32bis Automode Dial LineS81  Leased Line Signal Quality Retrain S82  V.32bis Autorate Leased LineS85  Fast Disconnect Model 3830 S-Registers S84  AT Command ModeS88  Straps When Disconnected Model 3830 S-Registers S89  V.42 ARQ Window Size Increase S90  DTE Rate = VF RateModel 3830 S-Registers S91  Cellular Enhancements S93  RJ11 Cellular AdaptComsphere 3800 Series Modems ± Model August Troubleshooting a Modem Health Symptom ActionTable A-1 Table A-2 Modem ± DTE ConnectionTable A-3 Modem ± VF Connection Symptom Action Modem Ð DTE Connection Modem ± VF Connection Table A-4 Online OperationTable A-5 Leased-Line OperationTechnical Specifications B Technical SpecificationsTable B-1 Model 3830 Technical Specifications Description CompatibilityPower Error Control EIA-232-D Pin Assignments Signal Circuit Pin Source FunctionPin Assignments C Table C-1 EIA-232-D Pin Assignments RS-232 NameSignal Source Circuit Function VF Connector Pin Assignments Comsphere 3800 Series Modems ± Model Center LeasedComsphere 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 Connecting CNX Call Failure Indication CFIDisregard Incoming Call DIC Call Answer CommandsIncoming Call INC Connect Incoming Call CICList 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 Glossary Active OperatingAsynchronous CSA DCE DOC FCC ITU-T JM8 PBX Pstn Xoff Comsphere 3800 Series Modems ± Model Glossary-12 Symbols IndexIndex-2 Index Index-4 DTR Index-6 Index-7 Index-8 Index-9 Index-10 Index-11 Index-12