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Overview
Chapter 1
The ADTRAN Express 3100™ is a stand-alone ISDN modem that is
ideal for remote access and Internet connectivity. The Express 3100
transmits data at speeds up to 230.4 kbps when using hi/fn compres-
sion and up to 512 kbps when using Microsoft compression.
EXPRESS CONFIGURATION SOFTWARE
ADTRAN's Express Configuration software, included with the Ex-
press 3100, makes connecting to ISDN and configuring the Express
3100 easy. This software includes on-line help to assist you in quickly
and easily setting up your system (see also Using On-line Help on
page 3-5).
ANALOG DEVICES SUPPORTED
The Express 3100 supports up to two analog devices such as tele-
phone, FAX machine, or analog modem in addition to the computer
connection for data transmissions. When transmitting data at maxi-
mum throughput over both B channels using Multilink PPP, the Ex-
press 3100 modem automatically detects calls on the analog ports.
Upon detection, the Express 3100 modem adjusts the speed of the data
call to 64 kbps using one B channel and accepts the analog/voice call
on the other B channel. After completing the analog/voice call, the Ex-
press 3100 modem automatically resumes data transfer over both
B channels.
REMOTE ACCESS
Remote access gives Management Information Systems (MIS) manag-
ers the flexibility of adjusting the configuration of remote units over
the ISDN line.
61200240L2-20
Express 3100 User Manual
1-1
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