Multi-Tech Systems MT3334ZDXV 2400 & 1200 bps, 22bis/V.22, Carrier Frequencies Fax 21 CH2, 27ter

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MT3334ZDX/V Owner's Manual

Carrier Frequencies	Transmit Originate:	1200 Hz
2400 & 1200 bps	Transmit Answer:	2400 Hz
(V.22bis/V.22)	Receive Originate:	2400 Hz
	Receive Answer:	1200 Hz
Carrier Frequencies
V.21	980 Hz Mark, 1180 Hz Space for
	Transmit Originate
	1650 Hz Mark, 1850 Hz Space for
	Transmit Answer
	1650 Hz Mark, 1850 Hz Space for
	Receive Originate
	980 Hz Mark, 1180 Hz Space for
	Receive Answer
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
Carrier Frequencies Fax
V.21 CH2	Transmit Originate:	1650 Hz Mark,
	1850 Hz Space
(Half Duplex)	Transmit Answer: 1650 Hz Mark,
	1850 Hz Space
V.27ter	Originate/Answer:	1800 Hz
V.29 QAM	Originate/Answer:	1800 Hz
V.17 TCM	Originate/Answer:	1800 Hz
Transmit Level	-11dBm (dial-up)
Frequency Stability	±0.01%
Receiver Sensitivity	-43 dBm under worst-case conditions
AGC Dynamic Range	43 dB

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Contents Page Patents Revision DescriptionContents Index Serial Cable Introduction and Description RequirementsComputer Telephone LineProduct Features Communications SoftwareData Fax Installation and ConnectionAbout this Manual Voice Model MT3334ZDXV onlyService, Warranty & Technical Support AT Commands, S-Registers and Result CodesTesting Your Modem AppendicesInstallation Introduction Safety WarningsInstallation Process Page MultiModemZDX Connections LED Indicators Front PanelInstallation Is Your MultiModemZDX Ready for Use? Operating Your MultiModemZDX Simple OperationsRemote Configuration Software Configuration AT&FcrMultiModemZDX Configuration Confirmation Hardware/Software ConfirmationTroubleshooting None of the LEDs Light When the Modem Is OnModem Does Not Respond to Commands Installation Modem Dials But Cannot Make Connection Installation Modem Cannot Connect When Answering Modem Disconnects While OnlineSlow File Transfer Losing DataGarbage Characters on the Monitor AT Commands, S-Registers Result Codes Command Summary Echo Command Mode Characters DialDial string modifiers Echo Online Data Characters Monitor Speaker VolumeMonitor Speaker Mode On-Hook/Off-Hook ControlModulation Handshake Return Online to Data ModeEnable/Disable Result Codes = n Set Register ValueLong Space Disconnect Modem ResetResult Code Selection Data Carrier Detect DCD ControlData Terminal Ready DTR Control Load Factory Default SettingsCommunications Mode 22bis Guard Tone ControlATDS=n \V n Protocol Result Code \N n Error Correction Mode Selection\K n Set Break Control Data Compression ControlModem Baud Rate Serial Port Baud RateRegisters Register Unit Seconds Range 255 Default Description S10S30 S11S28 S35S37 S42S43 S48 S89Delayed Terse Verbose DescriptionModem Testing Local Analog Loopback Test/V.54 Loop Local Analog Loopback TestDigital Loopback Test/V.54 Loop 2 Local/Manual Digital Loopback Test/V.54 Loop 2 Remote/Auto Digital Loopback Testlocal/manualDigital Loopback Test remote/automatic Limited Warranty On-line Warranty Registration Tech SupportRecording Modem Information Service Downloading a File About the Multi-Tech BBS No Longer AvailableLogging on to the Multi-Tech BBS If you know the file nameReading a Message Leaving a MessageIf you don’t know the file name Multi-Tech Fax-Back Service No Longer Available About CompuServe/Internet No Longer AvailableBulletins Appendix a Technical Specifications Data Modulation Intelligent FeaturesCommand Buffer Fax ModulationCarrier Frequencies Fax 21 CH2 2400 & 1200 bps22bis/V.22 Half DuplexIndicators ConnectorsDiagnostics Temperature Power Requirement697 770 852 941 Appendix B Tone Dial FrequenciesAppendices MT3334ZDX, MT3334ZDXV Appendices Canadian Limitations Notice Compliance with Babt Requirements European Low Voltage DirectivePage Compliance with BS6789 .1 and Part Compliance with BS6328 PartRegister Default Permissible Range Modem CE Mark EMC and Safety ComplianceModem Commands Default Permissible Range Australian and New Zealand Modem Warning NoticeNew Zealand Telecom Warning Notice Call Attempts/RetriesIndex Error Correction Page MT5634ZDXv Connections Power Supply Index