User`s manual

4 Introduction
• Asynchronous and synchronous modes for reliable serial data
communication.
• Fast retrain with automatic fall-forward and fall-back. Your
modem will automatically fall back to lower speeds when
communicating with slower modems and when encountering
unstable or variable line conditions.
• Call-back security and password protection restricts access to
authorized callers only.
• Caller ID identifies incoming calls before you answer (you must
subscribe to this service through your telephone company in
order for your modem to identify callers).
• Distinctive ring detects data and voice calls (this feature
requires communication software that supports distinctive ring,
such as ZFAX)
• Remote configuration capability.
• EDR (extended Distinctive Ring).
• Flash EPROM memory lets you easily upload new firmware,
providing you with easy access to new features.
• ZyXEL exclusive Kernel Recovery Mode for no hassle recovery
from failed flash uploads - no factory repairs.
Fax Compatibility
• EIA Class 1, 2, and 2.0 Fax commands.
• ITU-T V.17 G3: up to 14,400bps.