Multi-Tech Systems MT2834ZPX Intelligent Features, Command Buffer, Fax Modulations

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	Appendix A - Technical Specifications
Intelligent Features	Fully “AT command” compatible,
	microprocessor controlled remote
	configuration, EIA extended Automode,
	adaptive line probing, automatic symbol
	rate and carrier frequency during start-
	up, retrain and rate renegotiation,
	autodial, redial, repeat dial, dial linking,
	pulse or tone dial, dial pauses, call
	status display, auto-parity and data rate
	selection, keyboard-controlled modem
	options, non-volatile memory and on-
	screen displays for modem option
	parameters and up to ten telephone
	numbers/command lines of up to 60
	digits each, help menus
Command Buffer	60 characters
Modulation	Trellis Coded Modulation (TCM) at
	33,600, 31,200, 28,800, 26,400,
	24,000, 21,600, 19,200, 16,800,
	14,400, 12,000 and 9600 bps,
	Quadrature Amplitude Modulation
	(QAM) at 9600 (non-trellis), 4800 and
	2400 bps, PSK at 1200 bps, FSK at
	300 bps
Fax Modulations	V.21CH2 FSK at 300 bps
	V.27ter DPSK at 4800 and 2400 bps
	V.29 QAM at 9600 and 7200 bps
	V.17 TCM at 14400, 12000, 9600, and
	7200 bps
Fax Carrier	V.21CH2 (Half Duplex)
Frequencies	1650Hz Mark, 1850Hz Space for
	Transmit Originate
	1650Hz Mark, 1850Hz Space for
	Transmit Answer
	V.27ter 1800Hz Originate/Answer
	V.29 QAM 1700Hz Originate/Answer
	V.17 TCM 1800Hz Originate/Answer

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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 ConfigurationService, Warranty & Technical Support/ BBS Testing Your ModemAppendices 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 SystemFile Transfer Protocols When to Disable Data CompressionAT &F S0=0 X4 &E14 M 16550 Uart and Windows Disabling Error CorrectionAT &F S0=0 X4 &E0 M 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 Procedures Remote ConfigurationRemote Configuration Operation Procedures StepProcedure 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 File Transfer Is Slower Than It Should Be Modem Cannot Connect When AnsweringLosing Data 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 IntroductionTech Support On-line Warranty RegistrationRecording Modem Information 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 BpsBell Standard Carrier FrequenciesDataCarrier Frequencies 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