Multi-Tech Systems MT3334ZDX Interface, Connectors, Diagnostics, Indicators, Controls, Speaker

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	Appendices
Interface	EIA RS232C/CCITT V.24
Connectors	DB25 (RS232C) connector; Two RJ11
	modular phone jack: for line, and
	telephone set, power jack.
Diagnostics	Power-on Self Test, Local Analog Loop,
	Local Digital Loop, Remote Digital Loop.
Indicators	LEDs for Send Data, Receive Data,
	Carrier Detect, various speed indicators,
	Off Hook, Terminal Ready, Error
	Correction, Fax.
Controls	Power ON/OFF Switch
Speaker	Speaker with software- or command-
	controlled volume.
Operating	0° to 50° C
Temperature
Power Requirement	115 Volts AC, 60 Hz, .3 amp (2-prong
	outlet-mounted transformer); 240V/50Hz
	optional (international)
Power Consumption	5 Watts
Dimensions	14.8 x 10.8 x 2.9 cm (L x W x D)
Weight	224 grams
Limited Warranty	Five years

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Contents Page Revision Description PatentsContents Index Telephone Line Introduction and Description RequirementsComputer Serial CableCommunications Software Product FeaturesData Voice Model MT3334ZDXV only Installation and ConnectionAbout this Manual FaxAppendices AT Commands, S-Registers and Result CodesTesting Your Modem Service, Warranty & Technical SupportSafety Warnings Installation IntroductionInstallation Process Page MultiModemZDX Connections Front Panel LED IndicatorsInstallation Is Your MultiModemZDX Ready for Use? Simple Operations Operating Your MultiModemZDXRemote Configuration AT&Fcr Software ConfigurationHardware/Software Confirmation MultiModemZDX Configuration ConfirmationNone of the LEDs Light When the Modem Is On TroubleshootingModem Does Not Respond to Commands Installation Modem Dials But Cannot Make Connection Installation Modem Disconnects While Online Modem Cannot Connect When AnsweringLosing Data Slow File TransferGarbage Characters on the Monitor AT Commands, S-Registers Result Codes Command Summary Dial Echo Command Mode CharactersDial string modifiers On-Hook/Off-Hook Control Monitor Speaker VolumeMonitor Speaker Mode Echo Online Data Characters= n Set Register Value Return Online to Data ModeEnable/Disable Result Codes Modulation HandshakeData Carrier Detect DCD Control Modem ResetResult Code Selection Long Space Disconnect22bis Guard Tone Control Load Factory Default SettingsCommunications Mode Data Terminal Ready DTR ControlATDS=n Data Compression Control \N n Error Correction Mode Selection\K n Set Break Control \V n Protocol Result CodeSerial Port Baud Rate Modem Baud RateRegisters S10 Register Unit Seconds Range 255 Default DescriptionS35 S11S28 S30S42 S37S43 S89 S48Terse Verbose Description DelayedLocal Analog Loopback Test Modem Testing Local Analog Loopback Test/V.54 LoopDigital Loopback Test/V.54 Loop 2 Local/Manual Digital Loopback Testlocal/manual Digital Loopback Test/V.54 Loop 2 Remote/AutoDigital Loopback Test remote/automatic Limited Warranty Tech Support On-line Warranty RegistrationRecording Modem Information Service If you know the file name About the Multi-Tech BBS No Longer AvailableLogging on to the Multi-Tech BBS Downloading a FileLeaving a Message Reading a MessageIf you don’t know the file name About CompuServe/Internet No Longer Available Multi-Tech Fax-Back Service No Longer AvailableBulletins Appendix a Technical Specifications Fax Modulation Intelligent FeaturesCommand Buffer Data ModulationHalf Duplex 2400 & 1200 bps22bis/V.22 Carrier Frequencies Fax 21 CH2Temperature Power Requirement ConnectorsDiagnostics IndicatorsAppendix B Tone Dial Frequencies 697 770 852 941Appendices MT3334ZDX, MT3334ZDXV Appendices Canadian Limitations Notice European Low Voltage Directive Compliance with Babt RequirementsPage Compliance with BS6328 Part Compliance with BS6789 .1 and PartAustralian and New Zealand Modem Warning Notice Modem CE Mark EMC and Safety ComplianceModem Commands Default Permissible Range Register Default Permissible RangeCall Attempts/Retries New Zealand Telecom Warning NoticeIndex Error Correction Page MT5634ZDXv Connections Power Supply Index