Avaya S8700 Maintenance Manual page 411

TBRI-TRK (Trunk-Side ISDN BRI)
Table 8-474. Test #258 ISDN Test Call — Continued
Error Test
Code Result Description / Recommendation
2042 FAIL This is the main purpose of the test. The comparison of the data sent with
the data received indicates a loss of integrity on the communications path.
1. The trunk should be taken out-of-service and the quality of the trunk-side
PASS The call worked. A test pattern was sent and received properly; the
communications path is OK if the synchronous test call command was issued.
An in-depth analysis of the trunk-side ISDN-BRI facility including the
transmission facility and any external equipment such as DACs, CSUs, and
others should take place if the bit and block error rates are not acceptable.
555-233-142
ISDN-BRI facility should be investigated. The investigation should include
an in-depth analysis of the facility including the transmission facility and
any external equipment such as DACs, CSUs, etc.
Continued on next page
Issue 1 May 2002 8-1107