Multi-Tech Systems MT3334ZDX Intelligent Features, Command Buffer, Data Modulation, Sampling Rate

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Appendices

Intelligent Features	Automatic or manual dialing, Automatic
	or manual answer, Microprocessor-
	controlled,	remote configuration,	EIA
	extended	Automode, adaptive	line
	probing, automatic symbol rate and carrier
	frequency during start-up, retrain and rate
	renegotiation, DTMF detection, Autodial,
	Redial, Repeat dial, Dial linking, Tone
	dial, Dial pauses, Call status display,
	Auto-parity and data rate selection,
	Keyboard-controlled modem options,
	Nonvolatile memory and on-screen
	displays for modem option parameters
	and two telephone numbers/command
	lines of up to 60 digits each, Help menus
Command Buffer	60 characters
Data 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 Modulation	V.17 TCM at 14400, 12000, 9600, and
	7200 bps V.29 QAM at 9600 and 7200
	bps V.27ter DPSK at 4800 and 2400 bps
	V.21CH2 FSK at 300 bps (Half Duplex)
Carrier Frequencies	1800 Hz V.32/V.32bis/Enhanced V.34/
	33.6K/31.2K/28.8K/26.4K/24K/21.6K/
	19.2K/16.8K/14.4K/12K/9.6K/4.8K
Voice Compression	PCM 128, 8000 kHz or
and Sampling Rate	IMA ADPCM 8000 kHz (selectable via +V
	commands). Note that your computer

system should have a processing speed of at least 75 MHz to take full advantage of the telephony features of this product.

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Contents Page Revision Description PatentsContents Index Computer Introduction and Description RequirementsSerial Cable Telephone LineData Product FeaturesCommunications Software About this Manual Installation and ConnectionFax Voice Model MT3334ZDXV onlyTesting Your Modem AT Commands, S-Registers and Result CodesService, Warranty & Technical Support AppendicesInstallation Process Installation IntroductionSafety Warnings 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 string modifiers Echo Command Mode CharactersDial Monitor Speaker Mode Monitor Speaker VolumeEcho Online Data Characters On-Hook/Off-Hook ControlEnable/Disable Result Codes Return Online to Data ModeModulation Handshake = n Set Register ValueResult Code Selection Modem ResetLong Space Disconnect Data Carrier Detect DCD ControlCommunications Mode Load Factory Default SettingsData Terminal Ready DTR Control 22bis Guard Tone ControlATDS=n \K n Set Break Control \N n Error Correction Mode Selection\V n Protocol Result Code Data Compression ControlSerial Port Baud Rate Modem Baud RateRegisters S10 Register Unit Seconds Range 255 Default DescriptionS28 S11S30 S35S43 S37S42 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 Recording Modem Information On-line Warranty RegistrationTech Support Service Logging on to the Multi-Tech BBS About the Multi-Tech BBS No Longer AvailableDownloading a File If you know the file nameIf you don’t know the file name Reading a MessageLeaving a Message Bulletins Multi-Tech Fax-Back Service No Longer AvailableAbout CompuServe/Internet No Longer Available Appendix a Technical Specifications Command Buffer Intelligent FeaturesData Modulation Fax Modulation22bis/V.22 2400 & 1200 bpsCarrier Frequencies Fax 21 CH2 Half DuplexDiagnostics ConnectorsIndicators Temperature Power RequirementAppendix 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 PartModem Commands Default Permissible Range Modem CE Mark EMC and Safety ComplianceRegister Default Permissible Range Australian and New Zealand Modem Warning NoticeCall Attempts/Retries New Zealand Telecom Warning NoticeIndex Error Correction Page MT5634ZDXv Connections Power Supply Index