Multi-Tech Systems MT3334HD8 manual Technical Specifications, Data Rates Modem

MT3334HD8 User Guide

Technical Specifications

Model Number	MT3334HD8
Data Rates (Modem)	Eight independent modems (Modem A, B, C, D, E, F, G, H), each operating at
	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
Data Rates (Fax)	14,400, 9600, 4800, and 2400 bps
Data Format	Serial, binary, asynchronous at all data rates
(Modem)
Configuration	Each of the card’s modems is independently configurable
Compatibility (Modem) ITU-T V.42bis, V.42, V.34plus, V.34, ITU-T V.32bis, V.32, V.25bis, V.21,
	V.22bis, V.22, V.23, V.17, Bell 212A* and 103/113*
Compatibility (Fax)	ITU-T Group 3, T.4, T.30, V.21, V.27ter, V.29, V.17, and EIA TR29.2
Error Correction	ITU-T V.42 (MNP® Classes 3 and 4, and LAP-M)
Data Compression	ITU-T V.42bis (4:1 throughput) or MNP 5 (2:1 throughput)
Speed Conversion	Serial port data rates adjustable to 300, 1200, 2400, 4800,9600, 19,200, 38,400,
	57,600, and 115,200 bps
Flow Control	XON/XOFF, CTS/RTS, ENQ/ACK
Mode of Operation	Half or full duplex over dial-up lines; automatic or manual dialing, automatic
	or manual answer
Intelligent Features	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.
AT Commands	100% compatible with standard AT command set
Command Buffer	60 characters
Automatic Dialing	Standard AT command asynchronous dialing
Modem Modulations	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 Modulations	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
Carrier Frequencies	1600, 1646, 1680, 1800, 1829, 1867, 1920, 1959, 2000 Hz
ITU-T V.34

Carrier Frequencies:	Transmit originate:	1200 Hz
V.22bis/V.22 or	Transmit answer:	2400 Hz
Bell 212A Standard	Receive originate:	2400 Hz

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