3 test execution and test result – Siemens I-SURF User Manual
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8. I-Surf USB Utilities
40
The loopback test follows this pattern:
1.
The ISDN Adapter is addressed (initialized).
2.
An ISDN data connection is established to the multi-subscriber
number (MSN) given. If the MSN is correct, a connection is
established in order to be able to transmit data.
3.
Test data are sent on one B channel of the S
0
bus and received on the
second B channel.Testdaten werden auf einem B-Kanal des S
0
-Bus
gesendet und über den zweiten B-Kanal wieder empfangen.
4.
The test data are checked for transmission errors.
5.
The test result is displayed.
8.3.3 Test Execution and Test Result
1.
Start the loopback test program, if you have not already done so.
2.
Enter the subscriber number (MSN) to be user for testing. If this
number was given during configuration, it is automatically obtained
from the Windows registry. If no number was given during
configuration, enter the MSN for your ISDN Adapter.
3.
Click Start Test.