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PORTABLE USB MODEM QUICK START GUIDE
1. Specifications
Client-to-Server Data Rates: V.90 or K56flex speeds when accessing an ISP type
V.90 or K56flex server (actual speed depends on server capabilities/line
conditions)
Client-to-Client Data Rates: 33,600, 31,200, 28,800, 26,400, 24,000, 21,600, 19,200,
16,800, 14,400, 12,000, 9600, 7200, 4800, 2400, 300 bps
Fax Data Rates: 14,400, 12,000, 9600, 7200, 4800, 2400, 300 bps
Data Format: Serial, binary, asynchronous
Modem Compatibility: ITU V.90, K56flex; ITU-T V.34 enhanced, V.34, V.32terbo,
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 and 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)
Flow Control: X-ON/X-OFF (software), RTS/CTS (hardware)
Intelligent Features: Plug and play; fully AT command compatible; autodial, redial,
repeat dial; pulse or tone dial; dial pauses; auto answer; caller ID; EIA extended
automode; adaptive line probing; automatic symbol and carrier frequency during
startup, retrain, and rate negotiation; 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
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, 33,600, and
56,000 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 14,400, 12,000, 9600, and
7200 bps