Multitech MultiModem ZBA Series At Commands Reference Manual
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Multitech MultiModem ZBA Series At Commands Reference Manual

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MultiModem® ZBA Series
MultiModem® IND
MultiModem® DID
MultiModem® ZPX Series
MultiModem® ZPX-ISA
MultiModem® ISI Series
AT Commands
Reference Guide
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Summary of Contents for Multitech MultiModem ZBA Series

  • Page 1 MultiModem® MultiModem® ZBA Series MultiModem® IND MultiModem® DID MultiModem® ZPX Series MultiModem® ZPX-ISA MultiModem® ISI Series AT Commands Reference Guide Arrow.com. Downloaded from...
  • Page 2 Mounds View, Minnesota 55112 Phone: 763-785-3500 or 800-328-9717 Fax: 763-785-9874 Internet Address: http://www.multitech.com Technical Support Please the Copyright/Technical Support page of the product User Guide or Developer Guide. Multi-Tech Systems, Inc. AT Commands for the MT5634 Family of Products (S000272J) Arrow.com.

  • Page 3: Table Of Contents

    Contents Contents Chapter 1 - AT Commands ............................4 Introduction ................................4 List of General Commands ............................. 5 List of V.92 Commands ............................6 List of Caller ID Commands ............................ 6 List of Callback Commands ............................ 6 List of Escape Commands ............................7 List of DID Commands .............................

  • Page 4: Chapter 1 - At Commands

    Chapter 1 – AT Commands Chapter 1 - AT Commands Introduction The AT commands are used to control the operation of your modem. They are called AT commands because the characters AT must precede each command to get the ATtention of the modem. AT commands can be issued only when the modem is in command mode or online command mode.

  • Page 5: List Of General Commands

    Chapter 1 – AT Commands List of General Commands Command Description Attention Code Answer Repeat Last Command Communication Standard Setting – Bell or CCITT Dial Enable Dialing Message DS=n Dial Stored Telephone Number Echo Command Echo Online Data Characters Disconnect (Hang Up) Information Request Not Applicable Monitor Speaker Mode...

  • Page 6: List Of V.92 Commands

    Chapter 1 – AT Commands List of V.92 Commands Command Description +PCW=n Call Waiting Enable +PIG=n PCM Upstream Enable +PMH=n Modem-on-Hold Enable +PMHF V.92 Modem Hook Flash +PMHR=n Modem-on-Hold Initiate +PMHTR=n Modem-on-Hold Timer +PQC=n Quick Connect Control +DCS=x,y Select V.44 Data Compression +DR=n V.44 Data Compression Reporting +DS44=n...

  • Page 7: List Of Escape Commands

    Chapter 1 – AT Commands List of Escape Commands Command Description +++AT Escape Sequence %%%ATMTSMODEM Remote Configuration Escape Sequence List of DID Commands Command Description Digit Format Format for Reporting Incoming DID Number Start Protocol Wait for Digit Time-Out Time Busy Out After Call Completion Number of DID Digits Busy Out After Call Completion...

  • Page 8: At Commands Detail

    Chapter 1 – AT Commands AT Commands Detail Command: Attention Code Values: Description: The attention code precedes all command lines except A/ and escape sequences. Command: Answer Values: Description: Answer an incoming call before the final ring. Command: Repeat Last Command Values: Description: Repeat the last command string.
  • Page 9 Chapter 1 – AT Commands Ignored Characters Ignored: may be used to format the dial string. Ignored: may be used to format the dial string. <space> Ignored: may be used to format the dial string. <i> Invalid character: will be ignored. Command: Enable Dialing Message Values:...
  • Page 10 Chapter 1 – AT Commands Command: Modulation Handshake Values: n = 0 or 1 Default: Description: Modem performs handshake only at communication standard specified by S37 and the B command. Modem begins handshake at communication standard specified by S37 and the B command.
  • Page 11 Chapter 1 – AT Commands Command: Result Code Selection Values: n = 0–7 Default: Description: Basic result codes (e.g., CONNECT); does not look for dial tone or busy signal. Extended result codes (e.g., CONNECT 46000 V42bis); does not look for dial tone or busy signal.
  • Page 12 Chapter 1 – AT Commands Command: &Kn Flow Control Selection Values: n = 0, 3, or 4 Defaults: Description: &K0 Disables flow control. &K3 Enables CTS/RTS hardware flow control. &K4 Enables XON/XOFF software flow control. Command: &Ln Leased-Line Operation Note: This command applies to the MT5634IND (Industrial Temperature Modem) Values: n = 0, 1, or 2...
  • Page 13 Chapter 1 – AT Commands Command: &Zn=x Storing a Dialing Command Values: n = 0–3. Callback security disabled. 0, 1 used by MultiModemZPX/ZLI. 0, 1, 2 used by MultiModemZBA. 0–29. Callback security enabled. x = Stored telephone number Default: None Description: Stores dialing command x in memory.
  • Page 14 Chapter 1 – AT Commands Command: Flow Control Selection Values: n = 0, 1, or 3 Default: Description: Disables flow control (same as &K0). XON/XOFF software flow control (same as &K4). CTS-only flow control. Not supported. RTS/CTS hardware flow control (same as &K3). Command: Inactivity Timer Values:...
  • Page 15 Chapter 1 – AT Commands Command: %DTn Set Command Mode Time Values: 0-255 in 1 second increments Default: Description: Sets the length of time that the command mode will be disabled when set for %DC1 (the modem ignores AT commands). Command: Fallback and Fall Forward Control Values:...
  • Page 16 Chapter 1 – AT Commands Command: $MBn Modem Baud Rate Values: 75, 300, 1200, 2400, 4800, 9600, 14400, 19200, 28800, 33600 Default: 33600 Description: Presets the transmission baud rate for originate operations (i.e., the speed of the modem’s transmissions over the telephone lines when originating a call). With speed conversion, transmission speed can be a different baud rate than the serial port speed.

  • Page 17: V.92 Commands

    Chapter 1 – AT Commands V.92 Commands Command: +PCW=n Call Waiting Enable Values: n = 0, 1, or 2 Default: Description: Controls the action to be taken upon detection of a call waiting tone in V.92 mode. Values specified by this command are not modified when an AT&F command is issued. +PCW=0 Toggles V.24 Circuit 125 and collects Caller ID if enabled by +VCID +PCW=1 Hangs up +PCW=2 Ignores V.92 call waiting...
  • Page 18 Chapter 1 – AT Commands Command: +PMHT=n Modem on Hold Timer Values: n = 0–13 Default: Description: Determines if the modem will accept a V.92 Modem on Hold request; sets the MoH timeout. +PMHT=0 Deny MOH request +PMHT=1 Grant MOH request with 10 second timeout +PMHT=2 Grant MOH request with 20 second timeout +PMHT=3...
  • Page 19 Chapter 1 – AT Commands Command: +DS44=n V.44 Data Compression Values: See description Default: See description Description: Controls the V.44 data compression function. The command syntax is +DS44=[direction][,[0][,[0] [,[max_codewords_tx][,[max_codewords_rx][,[max_string_tx] [,[max_string_rx][,[max_history_tx][,[max_history_rx]]]]]]]]]<CR> Subparameters that are not entered retain their current value. Commas separate optional subparameters, and must be inserted to skip a subparameter.
  • Page 20 Chapter 1 – AT Commands Command: +MS= Modulation Selection Values: See description. Defaults: See description. Description: This extended-format command selects modulation, enables or disables automode, and specifies the highest downstream and upstream connection rates using one to four subparameters. The command syntax is: +MS= [mod][,[automode][,[0][,[max_rate][,[0][,[max_rx_rate]]]]]]<CR>...

  • Page 21: Caller Id Commands

    Chapter 1 – AT Commands Caller ID Commands Command: +VCID=n Caller ID Selection Values: n = 0, 1, or 2 Default: Description: Enables Caller ID detection and configures the reporting and presentation of the Caller ID data that is detected after the first ring. The reported data includes the date and time of the call, the caller's name and number, and a message.

  • Page 22: Callback Security Commands

    Chapter 1 – AT Commands Callback Security Commands Command: #CBAn Callback Attempts Values: n = 1–255 Default: Description: Sets the number of callback attempts that are allowed after passwords have been exchanged between modems.· Command: #CBDn Callback Delay Values: n = 0–255 Default: Description: Sets the length of time (in seconds) that the modem waits before calling back the remote...

  • Page 23: Escape Sequence Commands

    Chapter 1 – AT Commands Command: #CBSn Callback Enable/Disable Values: n = 0, 1, 2, or 3 Default: Description: #CBS0 Disables callback security. #CBS1 Enables local and remote callback security. #CBS2 Enables remote callback security only. #CBS3 Disables callback security until local hangup or reset. #CBS4 Enables a callback security modem to originate a call without a connection password prompt.

  • Page 24: Did Commands

    Chapter 1 – AT Commands DID Commands The DID modem uses *D commands to configure the modem’s DID features. The modem must be configured for the proper protocol, digit format, digit time out, digit report format, and number of digits. This configuration is determined by the company from which the DID line is ordered and the setup used by the phone company.
  • Page 25 Chapter 1 – AT Commands Command: Busy-Out Timer at End of Call Values: 0-255 Default: Description: This command defines the amount of time to busy out the modem upon disconnecting from a DID call. The delay is ended when the timer runs out or a *DS command is received. *DW0 This command disables the delay.

  • Page 26: Chapter 2 - S-Registers

    Chapter 2 – S-Registers Chapter 2 - S-Registers Certain modem values, or parameters, are stored in memory locations called S-Registers. Use the S command to read or to alter the contents of S-Registers (see previous section). Notes: Range and Default are dependent upon the Country Code you are using. The ranges and defaults below are for North America and Europe.
  • Page 27 Chapter 2 – S-Registers Register Unit Range Default Description decimal 0–19 Sets the maximum V.34 “upstream” speed at which the modem attempts to connect. Value Speed maximum modem speed reserved 1200/75 bps 300 bps reserved 1200 bps 2400 bps 4800 bps 7200 bps 9600 bps 12000 bps...

  • Page 28: Examples Of Ranges And Defaults Determined By Country Codes

    Chapter 2 – S-Registers Register Unit Range Default Description decimal 7 or 128 Enables (7) or disables (128) LAPM negotiation. The following table lists the S36 and S48 configuration settings for certain types of connections. S48=7 S48=128 S36=0, 2 LAPM or Hangup Do not use S36=1, 3 LAPM or Async...

  • Page 29: Chapter 3 - Result Codes

    Chapter 3 – Result Codes Chapter 3 - Result Codes In command mode your modem can send responses called result codes to your computer. Result codes are used by communications programs and are displayed on your monitor. Terse Verbose Description Command executed CONNECT Modem connected to line...

  • Page 30: Chapter 4 - Setting Your Country Or Regional Code

    Countries/Regions Supported See the list on the Multi-Tech Web site for countries and regions supported. http://www.multitech.com/global/configuration.go The Global Modem Country/Region Approvals displays at the bottom of the page. On this page you can view approvals, configuration strings (includes the country/regional code) and responses available in list form by selecting country/region and/or product.

  • Page 31: Index

    Index Index +VDR= – Distinctive Ring Report ......21 +VRID – Caller ID Query ........21 A – Answer ............. 8 11-Bit Mode .............. 15 \A – Select Maximum MNP Block Size ....13 A/ – Repeat............. 8 AT – Attention Code ..........8 B –...
  • Page 32 Index #CBP – Callback Parity ........22 Enable Dialing Message %M ........9 #CBR – Callback Security Reset ......22 Enable V.34 Modulation S28 ........26 #CBS – Callback Enable/Disable ......23 Enable/Disable 56K Auto Rate S42 ......27 #P – Set 11-bit Parity ..........23 Enter Setup Password #S ........
  • Page 33 Index S109 ..............28 S11 ............... 26 Number of DID Digits Expected *DN ......24 S18 ............... 26 S2 ................. 26 S28 ............... 26 S3 ................. 26 On-hook/off-hook H ............ 9 S30 ............... 26 Online Command Mode Description ......4 S35 ...............

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