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6 MultiModem ZPX User Guide

Data

• Supports V.90/K56flex

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

• 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

• Autodial, redial, pulse (rotary), and touch-tone dial

• 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

Chapter 1 - Introduction

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Connect Tech Echo/ISA Guide de l'utilisateur Page 6