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MultiModemZPX User Guide
General features
•
Compliance with major ITU-T, TIA, and EIA international standards to ensure compatibility with
other modems
•
Distinguishes data and fax calls
•
Compliance with the V.80 standard, allowing video conferencing over analog telephone lines with
any H.324 video phone system
Data
•
Supports V.90/K56flex
compatibility with lower-speed modems
Note: The V.90/K56flex standard asymmetrically transfers data—client downloads at speeds up to 56
Kbps; client uploads at speeds up to 33.6 Kbps
•
Supports the enhanced ITU-T V.34 standard with data transmission speeds to 33.6 Kbps while
also maintaining compatibility with lower-speed modems
•
Supports V.90/K56flex speeds plus 33.6K, 31.2K, 28.8K, 26.4K, 24K, 21.6K, 19.2K, 16.8K, 14.4K,
12K, 9.6K, 7.2K, 4.8K, 2.4K, 1.2K, and 0–300 bps
•
Automatic fallback to slower speeds in noisy line conditions and fall-forward to faster speeds as
conditions improve (line quality monitoring)
•
ITU V.42 LAP-M and MNP Class 3 and 4 error correction
•
ITU V.42bis (4-to-1) and MNP 5 (2-to-1) data compression
•
H.324 compliant (videophone ready)
•
Automatic disabling of compression when transferring already compressed files
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Autodial, redial, pulse (rotary), and touch-tone dial
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Dial tone and busy signal detection for reliable call-progress detection
•
Distinctive ring support to route data or fax calls on a single phone line
•
FlashROM upgradable (customer upgradable in a Windows environment)
•
Compatibility with the standard AT command set used by most communication programs
•
Stores up to two telephone numbers
Fax
•
Supports V.17, ITU-T "Super" Group 3 fax communication standards, allowing it to communicate
with other fax modems as well as with fax machines
•
Responds to Class 1 and Class 2 fax commands, enabling it to exchange editable and encrypted
faxes with other Windows computers
•
Sends and receives faxes from your computer at 14,400 bps, 9600 bps, 7200 bps, 4800 bps, 2400
bps, or 300 bps
TM
for data transmission speeds up to 56 Kbps while maintaining
1 Introduction
6
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