Instruction manual

Tests
4-33
100R INA and 100 DCD Modules
Test Results 4
■ No Synch – Indicates that the BERT test pattern is not being successfully
received back.
■ Sync-Errors – Indicates that the BERT test pattern is being successfully
received back. The console displays the number of bit error detected. For
overflow situations “99999” is displayed.
100 DCD Module Demand Tests 4
Three demand tests are used specifically for the 100 DCD module:
■ Data-channel loopback
■ Data terminal loopback
■ Data port local loop
All ones This produces a test pattern of all ones.
To monitor the test, press
→Monitor. To refresh
the monitoring information, press
→Back, and re-
select
→Monitor. This does not affect or
terminate the test.
Table 4-9. BERT Test Options—Continued
Test Options Description