ADTRAN Express XL User Manual page 21

Quick Startup Guide
When the computer which is attached to the local LAN attempts to access a
host on the access server, the Express XL/XLT will dial the number provided
in the Connection List profile. The Express XL/XLT will provide one of two
B-channels based on traffic demand and POTS port usage (Express XLT model
only). If no packet traffic is transmitted or received for the specified number
of seconds, the Express XL/XLT will disconnect the link until a computer on
the local LAN again attempts to access a host on the access server.
If Novell's IPX protocol is being used, the link must be dialed first in the Dial
menu to obtain the server and route information needed by the computer to
boot up. Advanced users can use the Express XL/XLT's Probe feature to pe-
riodically dial the access server to obtain the route and server information,
thereby removing the need to manually dial the first time.
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