General features, 1 introduction, Multimodemzpx user guide – Multi-Tech Systems MULTIMODEM MT5634ZPX-V.92-ISA User Manual
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1 Introduction
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MultiModemZPX User Guide
General features
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Compliance with major ITU-T, TIA, and EIA international standards to ensure compatibility with
other modems
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Distinguishes data and fax calls
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Compliance with the V.80 standard, allowing video conferencing over analog telephone lines with
any H.324 video phone system
Data
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Supports V.90/K56flex
TM
for data transmission speeds up to 56 Kbps while maintaining
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
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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)
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ITU V.42 LAP-M and MNP Class 3 and 4 error correction
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ITU V.42bis (4-to-1) and MNP 5 (2-to-1) data compression
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H.324 compliant (videophone ready)
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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
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Distinctive ring support to route data or fax calls on a single phone line
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FlashROM upgradable (customer upgradable in a Windows environment)
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Compatibility with the standard AT command set used by most communication programs
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Stores up to two telephone numbers
Fax
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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
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Sends and receives faxes from your computer at 14,400 bps, 9600 bps, 7200 bps, 4800 bps, 2400
bps, or 300 bps