The Diagnostic Program - Billion TA128 User Manual

Billion mini USB ISDN TA128

2.5.1 The Diagnostic Program

After you have installed your Billion mini USB ISDN TA12
you are highly recommended to use the diagnostic program to
make sure the Billion mini USB ISDN TA128, 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
2. Click on the "Diagnostic Program" item to start the
3. In the "Own ISDN Number" box, type in the subscriber
4. Press "Loopback Test" to begin the diagnostic procedure.
5. Please refer to Chapter 3 Troubleshooting if you see
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click on the "ISDN Utility" program folder.
program.
number of your own ISDN line.
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.
any error or warning message.
8
,