Multi-Tech Systems MT2834ZPX owner manual = 0, 1, 2, or

Page 35

 

Chapter 4 - AT Commands, S-Registers and Result Codes

COMMAND:

Un

VALUES:

n = 0, 1, 2, or 3

DEFAULT:

n/a

DESCRIPTION:

 

 

U0 places modem in Analog Loop Originate Mode.

 

U1 places modem in Analog Loop Answer Mode.

 

U2 places modem in Remote Digital Loopback

 

test mode.

 

U3 places modem in Local Digital Loopback Test Mode.

COMMAND:

Vn

VALUES:

n = 0 or 1

DEFAULT:

V1

DESCRIPTION:

 

 

V0 selects Result Codes sent as digits(terse response).

 

V1 selects Result Codes sent as words (verbose response).

COMMAND:

#Vn

VALUES:

n = 0 or 1

DEFAULT:

#V1

DESCRIPTION:

 

User can bypass V.32terbo handshaking process.

 

#V0 selects V.32terbo enabled in originate/answer modes.

 

#V1 selects V.32terbo disabled in originate/answer modes.

COMMAND:

W

VALUES:

n/a

DEFAULT:

n/a

DESCRIPTION:

 

 

Wait for new dial-tone.

COMMAND:

&Wn

VALUES:

n = 0 or 1

DEFAULT:

&W1

DESCRIPTION:

 

 

&W0 causes modem to store its current parameters in

 

nonvolatile RAM, and modem will load these for future ses-

 

sions instead of reading factory ROM defaults, unless &F

command used.

&W1 causes modem to not store parameters.

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Contents Page Record of Revisions Revision Description Contents Index Introduction and Description Modem Features Product Description Fax FeaturesAT Commands and S-Registers How to Use This ManualInstallation and Connection Software ConfigurationAppendices Testing Your ModemService, Warranty & Technical Support/ BBS Safety Warnings Installation and ConfigurationConfiguration and Installation Procedure StepProcedure Configuration/Installation ProcedureInstallation and Configuration Is Your MT2834ZPX Ready for Use? Operating Your MT2834ZPX Simple Operations Configuring Software for Your Modem Software Configuration IntroductionAT &F X4 S0= 2 M PC Initialization StringsConfiguring Software for Your Computer Changing Default ParametersTerminal Emulation Configuring Software for the Remote SystemAT &F S0=0 X4 &E14 M When to Disable Data CompressionFile Transfer Protocols AT &F S0=0 X4 &E0 M Disabling Error Correction16550 Uart and Windows COM2FIFO=1 COMnFIFO=1Page Modem AT Commands Command a Default $BA0 Description Command Values Default $EB0 Description =0 thru $Fn Command Values Default Command Values Default Description Default &P1 Description RFn Command T = 0, 1, 2, or Values Default Description Command @ Remote Configuration Operation Procedures StepProcedure Remote ConfigurationRemote Configuration Procedures Contd. Remote Configuration Operation Procedures Password CommandsEscape Code Character RegistersReturn Character Pause Time for Comma S13 Remote Configuration Escape Character S29 Local Inactivity Timer S36 Time Between DTR Inactive and Modem Off-Hook Q0 Multi-Tech Result Codes Result CodesQ1 Standard AT Result Codes AT Commands and S-Register Summary Modem Does Not Respond to Commands TroubleshootingPage Modem Dials But Cannot Make a Connection Page Modem Disconnects While Online Losing Data Modem Cannot Connect When AnsweringFile Transfer Is Slower Than It Should Be Fax and Communications Software Won’t Run at the Same Time Getting Garbage Characters on the MonitorLocal Analog Loopback Test Testing Your Modem Local Analog Loopback Test/V.54 LoopDigital Loopback Test/V.54 Loop 2 Local/Manual Digital Loopback Test local/manual Digital Loopback Test/V.54 Loop 2 Remote/ AutomaticDigital Loopback Test remote/automatic Limited Warranty Service, Warranty and Tech Support IntroductionRecording Modem Information On-line Warranty RegistrationTech Support Service If you know the file name About the Multi-Tech BBSTo log on to the Multi-Tech BBS To Download a fileIf you don’t know the file name About CompuServe/Internet About the Multi-Tech Fax-Back ServiceAppendix a Technical Specifications Fax Modulations Intelligent FeaturesCommand Buffer ModulationCarrier Frequencies Carrier FrequenciesDataCarrier Frequencies BpsBell Standard Dimensions ConnectorsDiagnostics Temperature Power Consumption697 770 852 941 1209 Digits 1336 1477 1633 Appendix B Tone Dial FrequenciesAppendix C FCC and Canadian Regulations RJ11C or RJ11W single line Appendix C FCC and Canadian Regulations Canadian Limitations Notice Index 15, 19 In-band Escape Sequence MultiExpress for Windows PBX/CBX Disconnect Drop Time for DSR/CTS/CD Rings Which Have Occurred Registers Serial port 17, 20, 21 17, 19