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DEFINITY ECS Release 8.2 Maintenance for R8.2csi
555-233-119 Issue 1
April 2000
Maintenance Objects
3-305BRI-SET, ASAI-ADJ, BRI-DAT
3
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.
This test is not executed for ASAI adjuncts because adjuncts do not support
MIMs upon which this test is based.
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 3-133. TEST #626 Signaling Link Status Test — Continued
Error
Code
Te s t
Result Description/ Recommendation
Continued on next page