Multitech Modem Module MT3334SMI, Developer'S Manual

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Chapter 1 - Introduction and Description
MT3334SMI 7
Technical Specifications
The ModemModule meets the following specifications:
Data Rates
Client-to-Server DataComm: supports enhanced V.34 (33.6K), V.32bis (14.4K), V.32 (9600), V.22bis
(2400), or slower speed connection for download speeds, and upload speeds to
33.6 Kbps via enhanced V.34.
Client-to-Client 33,600, 31,200, 28,800, 26,400, 24,000, 21,600, 19,200, 16,800, 14,400,
12,000, 9600, 7200, 4800, 2400, 1200, 0-300 bps
Fax Data Rates 14,400, 9600, 7200, 4800, 2400, 300 bps
Data Format Serial, binary, asynchronous
Modem Compatibility ITU-T V.34 enhanced, V.34, V.32bis, V.32, V.22bis, V.22; Bell 212A and 103/113;
ITU-T V.29, V.42, V.42bis; ITU-T V.21 & V.23 in international versions
Fax Compatibility ITU-T Group 3, Class 1 and 2, T.4, T.30, V.21, V.27ter, V.29, V.17, and TIA/
EIA TR29.2
Error Correction ITU-T V.42 (LAP-M or MNP 3–4)
Data Compression ITU-T V.42bis (4:1 throughput), MNP 5 (2:1 throughput)
Speed Conversion Serial port data rates adjustable to 300, 1200, 2400, 4800, 9600, 19,200,
38,400, 57,600, 115,200, and 230,400 bps
Modes of Operation Fax online modes; full duplex over dial-up lines; data mode, command mode,
and online command mode; V.54 Test mode.
Flow Control XON/XOFF (software), RTS/CTS (hardware)
Intelligent Features Fully AT command compatible; autodial, redial, repeat dial; pulse or tone dial;
dial pauses; auto answer; adaptive line probing; automatic symbol and
carrier frequency during start-up, retrain, and rate renrgotiation; DTMF detection;
call status display, auto-parity and data rate selections; keyboard-controlled modem
options; non-volatile memory; on-screen displays for modem option parameters;
command lines of up to 40 characters each; help menus; remote configuration;
DTR dialing.
Command Buffer 40 characters
Data Modulation FSK at 300 bps, PSK at 1200 bps, QAM at 2400, 4800, and 9600 bps (non-
trellis), QAM with trellis-coded modulation (TCM) at 9600, 12,000, 14,400,
16,800, 19,200, 21,600, 24,000, 26,400, 28,800, 31,200, and 33,600, bps
Fax Modulation V.21 CH2 FSK at 300 bps (half duplex)
V.27ter DPSK at 4800 and 2400 bps
V.29 QAM at 9600 and 7200 bps
V.17TCM at 14400, 12000, 9600, and 7200 bps
Carrier Frequencies 1600, 1646, 1680, 1800, 1829, 1867, 1920,
ITU-T V.34 1959, 2000 Hz
Carrier Frequencies 1800 Hz
ITU-T V.32bis/V.32
Carrier Frequencies Transmit originate: 1200 Hz
V.22bis/V.22 or Transmit answer: 2400 Hz
Bell 212A Standard Receive originate: 2400 Hz
(2400 & 1200 bps) Receive answer: 1200 Hz