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TBRI-PT (ISDN Trunk-Side BRI Port)
Issue 1 June 2005 2209
Clear Error Counters Test (#270)
This test is nondestructive.
This test clears the error counters associated with each TBRI-PT. This test passes if
maintenance software is able to successfully send the downlink messages. The test aborts
otherwise.
BRI NPE Crosstalk Test (#617)
This test is conditionally destructive.
One or more NPEs reside on each circuit pack with a TDM-bus interface. The NPE controls port
connectivity and gain and provides conferencing functions on a per-port basis. The BRI NPE
Crosstalk test verifies that this port’s NPE channel talks on the selected time slot and never
crosses over to time slots reserved for other connections. If the NPE is not working correctly,
1-way and noisy connections may be observed. This test is part of a port’s long test sequence
and takes approximately 20 to 30 seconds to complete. Crosstalk testing is performed on both
B channels (B1 and B2) associated with a BRI port. If this test fails on either channel, any
channel connected to the port is taken out-of-service. This test aborts if the port and its
associated channels are not in the idle state.
Note:
Note: S8300 / G700: This test does not execute on a G700 Media Gateway.
Table 787: Test #270 Clear Error Counters
Error
Code
Test
Result
Description / Recommendation
Any ABRT Maintenance could not send the downlink message.
PASS The message to clear the error counters of the TBRI-PT MO has been
sent.