Multi-Tech Systems MT2834ZPX Transmit Level, Frequency Stability, Receiver Sensitivity, Bus Type

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	Appendix A - Technical Specifications
V.23	390 Hz Mark, 450 Hz Space for
	Transmit Originate
	1300 Hz Mark, 2100 Hz Space for
	Transmit Answer
	1300 Hz Mark, 2100 Hz Space for
	Receive Originate
	390 Hz Mark, 450 Hz Space for
	Receive Answer
Transmit Level	-10dBm (dial-up)
Frequency Stability	±0.01%
Receiver Sensitivity	-43 dBm under worst case conditions
AGC Dynamic	43 dB
Range
Serial Interface	EIA RS232C/ITU V.24 Equivalent
Bus Type	IBM PC Standard ISA or EISA
Berg Jumpers	Select COM1, COM2, COM3 or COM4
	communications port option
Berg Jumpers	Select IRQs 2, 3 ,4, 5 and 7 option
Connectors	Two RJ11C connections on modem
	interface (one for PSTN connection and
	one for manual dialing and answering
	via telephone device)
Diagnostics	Local Analog Loop, Local Digital Loop,
	Remote Digital Loop.
Operating	0° to 50° C (32° to 120° F)
Temperature
Power Consumption	1.2 Watts
Dimensions	5.2"L x 3.0"W x .062"D
	13.2 cm x 7.62 cm x .165 cm
Weight	4.3 oz.
	122 grams
Warranty	10 Years

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Contents Page Record of Revisions Revision Description Contents Index Introduction and Description Modem Features Product Description Fax FeaturesInstallation and Connection How to Use This ManualSoftware Configuration AT Commands and S-RegistersTesting Your Modem Service, Warranty & Technical Support/ BBSAppendices 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 SystemWhen to Disable Data Compression File Transfer ProtocolsAT &F S0=0 X4 &E14 M Disabling Error Correction 16550 Uart and WindowsAT &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 Remote Configuration ProceduresRemote 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 Modem Cannot Connect When Answering File Transfer Is Slower Than It Should BeLosing 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 IntroductionOn-line Warranty Registration Tech SupportRecording Modem Information Service To log on to the Multi-Tech BBS About the Multi-Tech BBSTo Download a file If you know the file nameIf you don’t know the file name About CompuServe/Internet About the Multi-Tech Fax-Back ServiceAppendix a Technical Specifications Command Buffer Intelligent FeaturesModulation Fax ModulationsCarrier FrequenciesData Carrier Frequencies BpsBell StandardCarrier Frequencies Diagnostics ConnectorsTemperature Power Consumption Dimensions697 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