Maintenance Objects
555-233-119
836
Issue 5 October 2002
BRI XID Test (#628)
This test checks the D-channel connection between the SPE and the endpoint or
adjunct.
In this test, a D-channel XID frame is sent to the endpoint or adjunct over the
point-to-point signaling link. The test passes if the endpoint or adjunct responds
with a Layer 2 XID-RESPONSE frame.
This test must be administered to not run in the station administration form for
ports on a TN2208.
2000
FAIL
No loop back activation or deactivation response is received from the
endpoint.
1. Consult the endpoint documentation to determine if ISDN-BRI
Management and Maintenance Procedures are supported. If not
supported, use change station extension to set the
MIMs
Supported
field to n. Use busyout station extension and release
station extension to busyout and release the endpoint to resolve any
endpoint alarms resulting from failure of this test.
2. If the endpoint supports these procedures and the test continues to fail,
assume the endpoint is defective and replace it.
2071
FAIL
No data is detected on Channel B1 during loop back.
2072
FAIL
No data is detected on Channel B2 during loop back.
1. Replace the endpoint and repeat test.
2. If test continues to fail, check the wiring between the endpoint and the
switch and repeat the test.
PASS
The endpoint has responded to the switch activate and deactivate loop
back application messages. Data has been detected on the looped back
channels.
1000
ABORT
Could not seize the endpoint or B-channels for test.
1. Retry the command at 1-minute intervals a maximum of 5 times.
Table 126.
TEST #627 BRI Remote Loop Back —
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Description/ Recommendation
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