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Motorola UbiSurf SM56 At Commands Reference Manual

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UbiSurf SM56 Software Modem
AT Command
Reference Manual
Motorola Confidential Proprietary

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Summary of Contents for Motorola UbiSurf SM56

  • Page 1 UbiSurf SM56 Software Modem AT Command Reference Manual Motorola Confidential Proprietary...
  • Page 2 Proprietary Material Information and software in this document are proprietary to Motorola, Inc. and without the express prior permission of an officer of Motorola, Inc., may not be copied, reproduced, disclosed to others, published, or used, in whole or in part, for any purpose other than that for which it is being made available.

  • Page 3: Table Of Contents

    Introduction Thank you for using the Motorola UbiSurf SM56 Modem. The modem supports V.90/V.92 and K56flex™ connections, providing high-speed communications between your personal computer and a remote location. This document specifies the AT command set for Motorola UbiSurf SM56 softmodem product family. Motorola UbiSurf soft modem supports a broad base of commands for data, fax and voice.

  • Page 4: At Commands - Basics

    Issue this command at the computer keyboard, in the communications application's terminal window, by typing the plus sign (+) three times. Note Do not press the ENTER key after the +++ command. It may cancel the command. Motorola Confidential Proprietary...

  • Page 5: At And At& (Ampersand)

    Disable Enable Hook Go on Hook (disconnect from the telephone line; hang up) Go off Hook (connect to the telephone line) Request Information From Modem “5600” “255” “OK” Software Version “OK” Disconnect Reason Country Code Product Code Motorola Confidential Proprietary...
  • Page 6 This command instructs the modem to use DTMF tone dialing. Result-Code Format Determines whether the modem sends short- or ling-form messages to the communications application, indicating the connection status, rate, and mode. Return Numeric Code (Short Form) Return Text (Long Form) Motorola Confidential Proprietary...
  • Page 7 DTR transitions from asserted-to-de-asserted &F Initialize modem to default factory configuration. &G Guard Tone &G0 &G1 550 Hz Guard Tone &G2 1800 Hz Guard Tone &I Dial TX Level &In Level n; n = 0 to 15. Default = 9 Motorola Confidential Proprietary...
  • Page 8 Disconnect the telephone line from the modem line input connector before using this command. Set S-Register 46 = 23 (ATS46=23) before executing &T1. &V Modem Status &V0 Short Form Report &V1 Current or Last Connection Report &V2 Long Form Report Motorola Confidential Proprietary...

  • Page 9: At% (Percent) And At\ (Backslash) Commands

    28.8 Kbps %B17 31.2 Kbps %B18 33.6 Kbps %B19 32.0 Kbps %B20 34.0 Kbps %B21 36.0 Kbps %B22 38.0 Kbps %B23 40.0 Kbps %B24 42.0 Kbps %B25 44.0 Kbps %B26 46.0 Kbps %B27 48.0 Kbps %B28 50.0 Kbps Motorola Confidential Proprietary...
  • Page 10 Delay for n Seconds (n = 1 to 255) Minimum Modulation Rate Sets the minimum rate that the modem uses when con- necting in a data modulation mode. Minimum modem rate that the modem supports(300 bps) 300 bps 1.2 Kbps Motorola Confidential Proprietary...
  • Page 11 48.0 Kbps %L28 50.0 Kbps %L29 52.0 Kbps %L30 54.0 Kbps %L31 56.0 Kbps %L32 58.0 Kbps %L33 60.0 Kbps %L34 28000 bps %L35 29333 bps %L36 30666 bps %L37 33333 bps %L38 34666 bps %L39 37333 bps Motorola Confidential Proprietary...
  • Page 12 = 0 to 255 Connect Message Format Determines which messages the modem generates at con- nection time Display DTE Rate DTE with EC/DC message Display DCE Rate DCE with EC/DC Message DCE with Modulation & EC/DC Message Motorola Confidential Proprietary...

  • Page 13: At* (Asterisk) Commands

    Bell 103 or ITU-T V.21 (Auto determination) Modulation Mode *MM0 V.34 Auto Modulation *MM1 V.21 *MM2 Bell 103 *MM4 V.22/Bell 212 *MM5 V.22bis *MM6 V.23 *MM10 V.32 Only *MM11 V.32 bis *MM12 V.34 Only *MM13 K56flex™ Only *MM14 K56flex™ Auto-modulation *MM15 V.90 Only Motorola Confidential Proprietary...
  • Page 14 Table 3: AT* (Asterisk) Commands Command Command Option Option Description Description Command Command Option Option Description Description *MM16 V.90 Auto *MM17 V.92 Only *MM18 V.92 Auto Motorola Confidential Proprietary...

  • Page 15: At+ (Plus) Commands

    Specifies the V.8 CI Signal Call Function Octet options 00h - FFh, default=00h d options: Specifies V.8 control options Disabled Enabled, modem control Enabled, computer control +A8T V.8bis Signal and Message Control +A8T=a,b,c, d,e,f a options: Specifies V.8bis Signal to Transmit None Initiating MRe Motorola Confidential Proprietary...
  • Page 16 Data Compression (DC) Reporting +DR=0 Disabled +DR=1 Enabled Data Compression Control +DS=p,q,r,s p options: Specifies compression on/off direction No compression Tx direction only Rx direction only Both directions; accept any direction q options: Specifies negotiation Motorola Confidential Proprietary...
  • Page 17 Enabled: modem issues one of the following mes- sages to the computer, before it issues a connect message. The message specifies the Error Correction protocol negotiated: +ER:NONE +ER:LAPM +ER:ALT Error-Correction (EC) Control +ES=p,q r p options: Specifies the originate-modem’s Request Error Cor- rection mode Motorola Confidential Proprietary...
  • Page 18 Computer does not hunt for synchronization sequence b options: Specifies the Idle in Framed sub-mode Computer transmits HDLC flags on idle c options: Specifies under-run and over-run in Framed sub- mode Computer transmits Abort on an under-run within a frame Motorola Confidential Proprietary...
  • Page 19 Disconnect buffer delay timer, in 1-second incre- ments 1-255, default=0 +FCLASS Fax/Data Mode +FCLASS= Data Mode +FCLASS= Fax Class 1 +FCLASS= Voice Mode (Not available in Data/Fax and Data/ Fax/TAM modems.) +FLO Fax Flow Control +FLO=0 None Motorola Confidential Proprietary...
  • Page 20 Transmit Mode Sets the modulation mode for trans- mitting faxes +FTMmode Use mode mode; see options for +FRH, above. +FTS Pause Transmission +FTSn Pause transmission for (n*10) ms; n=0 to 255 +GCAP Report Capabilities +GCAP Display modem capabilities +GCI Country of Installation Motorola Confidential Proprietary...
  • Page 21 Germany Argentina Australia Austria Belgium Brazil Bulgaria Canada Chile China Columbia Czech Republic Cyprus Denmark Finland France Germany Hong Kong Ireland Israel Italy Jordan Korea Liechtenstein Malaysia Malta Netherlands Norway Portugal Puerto Rico Singapore South Africa Spain Motorola Confidential Proprietary...
  • Page 22 XON/XOFF flow control, no pass-through CTS flow control +ILRR Computer’s Local Rate Reporting +ILRR=0 Disabled +ILRR=1 Enabled +ITF Transmit Flow Control Thresholds (V.80) +ITF=a,b a options: Specifies the threshold, in octets, at which the modem turns transmit flow-control off 0-2047 default=255 Motorola Confidential Proprietary...
  • Page 23 300 - 33600 t options: Specifies the minimum data rate in the Rx direction Use the minimum rate of the specified modulation mode 300 - 60000 u options: Specifies the maximum data rate in the Rx direction Motorola Confidential Proprietary...
  • Page 24 Data/Fax/Speakerphone modem only Bit-mapped event control mask. See Event Report- ing Word. +VGR Receive Gain Data/Fax/ Speaker- phone modem only Automatic Gain Control 1-255 Relative range, where 128 indicates a nominal value. +VGT Transmit Volume Data/Fax/Speakerphone modem only Motorola Confidential Proprietary...
  • Page 25 If no ringback is received, after n/10 seconds, assume that the remote device has answered the call; n = 0-255 Ringback Never Occurred +VRN=n After n/10 seconds, operate as if ringback never occurred; n = 0-255 +VRX Voice Receive Mode Data/Fax/Speakerphone modem only Motorola Confidential Proprietary...
  • Page 26 Default = 6 seconds +VSM Speech Compression Properties Data/Fax/Speakerphone modem only +VSM=m,n, Specifies the speakerphone compression parameters m options: Specifies the compression method ADPCM n options: Specifies the sampling rate to determine whether to compress 8000 8000 Hz Motorola Confidential Proprietary...
  • Page 27 4. Play DTMF 8 for a duration stored in +VTD 5. Play DTMF * for 50 ms 6. Play silence for 1 second 7. Play DTMF 5 for the duration stored in +VTD +VTX Enter Voice-Transmission Mode Data/Fax/Speakerphone modem only Motorola Confidential Proprietary...
  • Page 28 The speakerphone state does not have to be reset after recording to the line or playing a message to the line. The baud rate is not set before the StartPlay and StartRecord commands. The baud rate is not reset after the StopPlay and StopRecord commands. Motorola Confidential Proprietary...

  • Page 29: Ats (S-Register) Commands

    Number of seconds in which connection must be established or call will be disconnected; n=1 to 255. Default = 60 Pause Delay S8=n Pause for n seconds; n=0 to 255; for dial modifier in a dial string. Default = 2 DCD Loss Disconnect Motorola Confidential Proprietary...
  • Page 30 If S12=0, the speed at which you enter the escape sequence is not a fac- tor. Default = 50 Test Timer S18=n Specifies test execution duration; n=0 to 255. Default = 0 Motorola Confidential Proprietary...

  • Page 31: At#Ud Unimodem Diagnostic Command

    V.8 JM octet string, same format as V.25ter Annex A, in quotes Reserved for call negotiation reports – 0-2F Received signal power level, in dBm (0-43) 0-1F Transmit signal power level, in –dBm (e.g. 0-17) 0-64 Estimated noise level, in –dBm (e.g. 10-90) Motorola Confidential Proprietary...
  • Page 32 See Table 8 Compression Negotiation Result 0-800 Compression dictionary size in bytes 46-4F Reserved Transmit flow control: 0 = off; 1 = DC1/DC3; 2 = V.24 ckt 106/133 Receive flow control: 0 = off; 1 = DC1/DC3; 2 = V.24 ckt 106/133 Motorola Confidential Proprietary...
  • Page 33 Text telephone signal detected (see V.18) Data Answering signal detected (e.g. V.25 ANS, V.8 ANSam) Data Calling signal detected (e.g. V.25 CT, V.8 CI) Fax Answering signal detected (e.g. T.30 CED, DIS) Fax Calling signal detected (e.g. T.30 CNG) Motorola Confidential Proprietary...
  • Page 34 Definition Definition 31-30 INFO0 bit 20; 0 20-29 INFOc bits 79-88 16-19 INFOc bits 26-29 Pre-emphasis field, selected by the symbol or 35-38 or 44-47 rate chosen or 53-56- or 62-65 or 71-74 15-Dec INFOa bits 26-29 Motorola Confidential Proprietary...
  • Page 35 X2™ K56FLEX™ V.FC V.32terbo Bell 212A (if modem supports B212A) Bell 103 (if modem supports B103) 80-FF Reserved for mfgs Table 12– errorControl Active from 3.5.2/V.58 Value Value Description Description Value Value Description Description Disable/none V.42 LAPM Motorola Confidential Proprietary...
  • Page 36 Call is still in progress Not in V.58 Call Waiting signal Not in V.58, only if modem can detect it detected Delayed Same as value 2A, CallAttemptsLimitEx- ceeded NMSinitiatedDialCall -- Network Management System NMSinitiatedLeased- LineRestoral NMSinitiatedRedial NMSinitiatedDialDis- connect PowerLoss EquipmentFailure Motorola Confidential Proprietary...
  • Page 37 IncomingCallDetected If incoming call while sending dial com- mand. LoopCurrentInter- rupted NoDialTone VoiceDetected ReorderTone SitTone EngagedTone LongSpaceDisconnect And if modem program to abort on long space CarrierLost Signal Converter TrainingFailed NoModulationinCom- RetrainFailed RetrainAttemptCoun- tExceeded GstnCleardownRe- ceived Motorola Confidential Proprietary...
  • Page 38 Receive level = -31dbm; transmit level = 12=52> -12dbm; noise level = -82dbm DIAG <2A4D3263 14=03 15=05 Far end echo delay in milliseconds; Far 16=10> end echo loss in dB; Near end echo loss = 16 dB Motorola Confidential Proprietary...

  • Page 39: Event Reporting Word

    A 1 in a bit-position indicates an event is reported. A 0 in a bit-position indicates an event is not reported. Read bits from right (Bit 0) to left (Bit 32). Blank table entries are unsupported events Motorola Confidential Proprietary...
  • Page 40 Distinctive Ring (effective only where function is supported RING DTMF Detection Receive Buffer Overrun Fax Calling Data Calling Presumed Hang-Up (SILENCE) Time-Out Presumed End-of-Message (QUIET) Time-Out Ring Back BUSY DIALTONE Playback Buffer Underrun Fax or Data Answering Modem Detected Voice Detected Motorola Confidential Proprietary...

  • Page 41: How To Add At Commands

    1. Open the Control Panel. How to Add AT Commands 2. Double-click the Modem icon. 3. Select the Motorola SM56 modem. 4. Click on Properties. 5. Select Connection. 6. Click on the Advanced tab. 7. In the Extra Settings box, add commands as needed. The AT prefix is not required, although the Extra Settings box will accept it.
  • Page 42 Motorola Confidential Proprietary...

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