The Diagnostic Program - Acer ISDN 128 Surf USB User Manual

ISDN USB TA Quick Start Guide

2.5 The Diagnostic Program

After you have installed your ISDN USB TA, you are highly
recommended to use the diagnostic program to make sure the
ISDN TA, its drivers and the ISDN line are all properly installed
and connected. To run the diagnostic program please follow
these instructions:
1. Open the "Programs" folder on the "Start" menu and
click on the "ISDN Utility" program folder.
Click on the "Diagnostic Program" item to start the
2.
program.
In the "Own ISDN Number" box, type in the subscriber
3.
number of your own ISDN line.
Press "Loopback Test" to begin the diagnostic procedure.
4.
It will make a call from the B1 channel that returns
through the B2 channel. The D and B channels will be
tested for line integrity.
5. Please refer to Chapter 3 Troubleshooting if you see
any error or warning message.
F
IGURE
14
2-8: T L T
HE OOPBACK EST