Zyxel-communications U-336SA Manual do Utilizador descarregar pdf (Página 17)

Introduction 3

• Extended AT command set with V.25bis.

• Operates on 2-wire dial-up or 2-wire leased line.

Intelligent Features

• Automatic data and voice call detection allows you to use a single

telephone line to handle both types of calls.

• 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.

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Zyxel-communications U-336SA Manual do Utilizador Página 17