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14 Operation on an ISDN Access
308
ARGUS 145
PLUS
Enter the B-channel from the keypad (first
press
<Del.>
) or use the cursor keys to
set the B-channel.
BERT start
During the BERT, the display shows:
For information on saving the test results,
see page 257.
-
the bit pattern and channel / bit rate used
-
the synchronicity of the bit pattern
(in this example, synchronous)
-
Sync.time in h:min:sec
The time in which the ARGUS can
synchronize to the bit pattern
-
LOS
Synchronization is lost at an error rate
greater than or equal to 20 % within a
period of a second.
The absolute number of synchronization
losses will be shown.
-
Error: The bit errors that have occurred.
<Error>
Insert artificial bit errors to test
the reliability of the BERT.
<Reset>
The test time and number of bit
errors will be reset.
<TM>
Start Test Manager (see
page 297).
Stop the BERT
Display the final test results, see
page 332.
B-channel select