ZyXEL Communications U-336R, User Manual

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2 Introduction
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14 LED indicators (RE/RD).
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15 LED indicators (R).
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Extended AT command set with V.25bis.
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Operates on 2-wire dial-up or 2-wire leased line (RE).
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Operates on 2-wire dial-up or 2/4-wire leased line (R).
Intelligent Features
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Automatic data, and fax call detection allows you to use a
single telephone line to handle both voice and data calls.
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Asynchronous and synchronous modes for reliable serial data
communication.
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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.
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Call-back security and password protection restricts access to
authorized callers only.
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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).
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Distinctive ring detects data, fax and voice calls (this feature
requires communication software that supports distinctive ring,
such as ZFAX)
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Remote configuration capability.