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User Guide
34
Features
• Compliance with major ITU-T, TIA, and EIA international standards
to ensure compatibility with other modems.
• DTMF tone detection Distinguishes data, fax, or voice calls
(MT5634ZBAV only) with software packages supporting these features.
• Caller ID capability can identify a caller’s phone number (available
only on U.S. products).
• Serial port speeds to 230,400 bps.
• Limited warranty: Ten years (USA, UK, Canada, and Mexico)
Five years (all other countries)
Data
• Supports the K56flex
™
standard for data transmission speeds up to
56K bps while maintaining compatibility with lower-speed modems.
• Can be flash-upgraded to the ITU-T V.90 56K bps standard (when
available).
• Supports the enhanced ITU-T V.34 standard, with data transmission
speeds to 33.6K bps.
• Supports asynchronous data rates at 56K, 33.6K, 31.2K, 28.8K,
26.4K, 24K, 21.6K, 19.2K, 16.8K, 14.4K, 12K, 9600, 4800, 2400,
1200, and 300 bps.
• Supports automatic fallback to slower speeds in noisy line condi-
tions, and fall-forward to faster speeds as conditions improve.
• ITU-T V.42 LAP-M and MNP Class 3 and 4 error correction.
• ITU-T V.42bis (4-to-1) and MNP 5 (2-to-1) data compression.
• Automatically disables data compression when transferring already-
compressed files.
• Autodial, redial, pulse (rotary) and touch-tone dial.
• Dial tone and busy signal detection for reliable call-progress reporting.