U-90E
Data/Fax
Modem
xix
Preface
About Your Modem
Congratulations on the purchase of your U-90E modem - one of ZyXEL's premier high-
performance products. The U-90E modem is world renown for its ability to maintain ultra
high speeds and clear, quality connections while communicating around the globe.
About This Manual
This manual describes the use of your U-90E data/fax modem and gives instruction for its
installation and operation.
Structure of this Guide
This manual is divided into four sections:
•
Getting Started
(Chapters 1-4) gives a basic overview of your modem’s features,
explains its installation procedures and introduces you to the basic commands and
techniques involved in modem operation.
•
Settings and Commands
(Chapters 5-6) provides an overview of the settings and
commands which are available in the U-90E modem.
•
Additional Functions
(Chapters 7-13) describes many special functions and features of
the U-90E modem in detail, including error control and data compression, leased-line
and synchronous mode operation, remote configuration, caller ID, fax sending and
receiving, voice mail and diagnostic features.
•
Upgrading and Troubleshooting
(Chapters 14-15) provides information about
upgrading your modem and solving common problems.