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BRI-SET, ASAI-ADJ, BRI-DAT
Issue 4 May 2002 10-309 555-233-123
BRI Remote Loop Back Test (#627)
This test checks the integrity of a circuit switched B-channel connection between
the switch and the endpoint.
In this test, the endpoint is put in the “maintenance busy” state to prevent the
switch from issuing calls to the endpoint during the test. An application message
containing a loop back activate request for the appropriate B-channel is sent to
the endpoint. The endpoint responds with a loop back activated response.
Maintenance then sends data to the endpoint over the B-channel under test.
Since the B-channel is looped back at the endpoint, maintenance should receive
the data that it sent. If no data is detected, the test fails. An application message
containing a loop back deactivate request is then sent to the endpoint to terminate
the remote loop back test. The endpoint responds with an MIM message
containing a loop back deactivate response. Maintenance then releases the
endpoint so that it is available to terminate calls.
2012 ABORT Internal System Error.
2100 ABORT Could not allocate the necessary system resources to run this
test.
1. Retry the command at 1-minute intervals a maximum of 5
times.
1113 FAIL The signaling link is not “bound” to the adjunct or endpoint. For
BRI endpoints supporting MIM initialization, this error indicates
that the endpoint has not been bound to a signaling link (that
is, SPID initialization has not been completed). Since the
signaling link associated with the endpoint is not identified until
SPID initialization completes, this error does not imply that the
signaling link is connected or disconnected at Layer 2 nor does
it provide the status of TEI assignment for the endpoint. For
ASAI adjuncts and BRI endpoints not supporting MIM
initialization, this error indicates that the link is disconnected at
Layer 2. Since the signaling link associated with the endpoint
has been identified via administration, the link is only
“unbound” from the endpoint when it is disconnected.
1. Execute the status bri-port PCSSpp command and refer
to the associated procedures for this command contained
in the BRI-PORT (ISDN-BRI Port) Maintenance
documentation.
PASS The signaling link is connected at Layer 2 and “bound” to the
BRI endpoint or ASAI adjunct.
Table 10-122. TEST #626 Signaling Link Status Test — Continued
Error
Code Test
Result Description/Recommendation
Continued on next page