beautypg.com

Specifications, Portable usb modem quick start guide – Black Box MD403A User Manual

Page 11

background image

10

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