
Conexant HCF V.90 56K USB Modem User’s Guide
Chapter 2 Specifications
2.1 Specifications
Computer Interface USB V1.1
Line Interface RJ-11 for POTS line
Data Protocols V.90, K56flex, V.34, V.32bis, V.32, V.22bis, V.22, V.23, V.21, Bell
212A and 103
Data Speed 56k, 54k, 52k, 50k, 48k, 46k, 44k, 42k, 40k, 38k, 36k, 34k, 33.6k,
31.2k, 28.8k, 26.4k, 24k, 21.6k, 19.2k, 16.8k, 14.4k, 12k, 9600,
7200, 4800, 2400, 1200, 300
Data Compression V.42bis, MNP 5
Error Correction V.42 LAPM, MNP 2,3,4
Fax Protocols Group 3 Compatible, Class 1 fax: V.17, V.29, V.27ter, V.21 ch 2
Fax Speed 14.4k, 12k, 9600, 7200, 4800, 2400, 300
General Standard AT commands, V.8 and Automode, Caller ID, Virtual DTE,
V.80 Virtual UART (115.2kbps), DTMF detection and generation,
ADPCM, Answering machine (voice), OnNow Power Management,
Wake-up on ring , Distinctive ring for data/fax/voice, World wide
country support
Power Consumption below 700mW
2.2 System Requirements
CPU : Pentium 200MHz or greater
RAM : 16Mbyte RAM or more
Interface : USB port
HDD : 2MB free space or above
Telecom Requirement : 1 POTS line
Operation system : Windows 98 , Windows 2000
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