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ADX8D-PT (AUDIX Digital Port)
Issue 4 May 2002 10-21 555-233-123
Voice and Control Channel Local Loop Test (#13)
This test checks the information and control channels between the Switch
Processing Element (SPE) and the EMBEDDED AUDIX port circuit. First, the
primary information (voice) channel loop back test is run.
While the primary information channel is still looped around, the Control Channel
Loop Around Test is performed. The Loop Around Test for the secondary
information (data) channel is then performed. This test is the same as the primary
information channel loop around test.
Next, a Conference Test is implemented for the primary information channel. This
test is the same as Conference Test #6.
Only one value (Pass, Fail, or Abort) is generated as a result of the four tests run.
If any test fails or aborts, the sequence is stopped.
1
2 FAIL The NPE of the tested port is transmitting in error. This causes
noisy and unreliable connections. Failure code 1 indicates that
the Crosstalk test failed on the primary channel. Failure code 2
indicates that the Crosstalk test failed on the secondary
channel.
1. Replace the circuit pack.
PASS The port is using its allocated time slots correctly.
1. To be sure that this is not an intermittent problem, repeat
this test up to a maximum of 10 times to make sure it
continues to pass.
2. If complaints still exist, examine the connections.
Table 10-8. TEST #9 NPE Crosstalk Test — Continued
Error
Code Test
Result Description/Recommendation
Continued on next page