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MT3334HD8 User Guide
Technical Specifications
Model Number
Data Rates (Modem) Eight independent modems (Modem A, B, C, D, E, F, G, H), each operating at
Data Rates (Fax)
Data Format
(Modem)
Configuration
Compatibility (Modem) ITU-T V.42bis, V.42, V.34plus, V.34, ITU-T V.32bis, V.32, V.25bis, V.21,
Compatibility (Fax)
Error Correction
Data Compression
Speed Conversion
Flow Control
Mode of Operation
Intelligent Features
AT Commands
Command Buffer
Automatic Dialing
Modem Modulations FSK at 300 bps, PSK at 1200 bps, QAM at 2400, 4800, and 9600 bps (non-
Fax Modulations
Carrier Frequencies
ITU-T V.34
Carrier Frequencies:
V.22bis/V.22 or
Bell 212A Standard
4
MT3334HD8
33,600, 31,200, 28,800, 26,400, 24,000, 21,600, 19,200, 16,800, 14,400, 12,000,
9600, 4800, 2400, 1200, or 0-300 bps
14,400, 9600, 4800, and 2400 bps
Serial, binary, asynchronous at all data rates
Each of the card's modems is independently configurable
V.22bis, V.22, V.23, V.17, Bell 212A* and 103/113*
ITU-T Group 3, T.4, T.30, V.21, V.27ter, V.29, V.17, and EIA TR29.2
ITU-T V.42 (MNP® Classes 3 and 4, and LAP-M)
ITU-T V.42bis (4:1 throughput) or MNP 5 (2:1 throughput)
Serial port data rates adjustable to 300, 1200, 2400, 4800,9600, 19,200, 38,400,
57,600, and 115,200 bps
XON/XOFF, CTS/RTS, ENQ/ACK
Half or full duplex over dial-up lines; automatic or manual dialing, automatic
or manual answer
Fully AT command compatible; auto dial; redial; repeat dial*; dial linking*;
pulse or tone dial; dial pauses; call status display; auto-parity and data rate
selection; keyboard-controlled modem options; nonvolatile memory; on-
screen displays of modem parameters, stored telephone numbers, and help
menus; and remote configuration.
100% compatible with standard AT command set
60 characters
Standard AT command asynchronous dialing
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
V.21 CH2 FSK at 300 bps
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
1600, 1646, 1680, 1800, 1829, 1867, 1920, 1959, 2000 Hz
Transmit originate:
1200 Hz
Transmit answer:
2400 Hz
Receive originate:
2400 Hz
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