User's Manual

C-CCP Backplane Troubleshooting68P09255A61-4
Aug 2002
1X SC 4812T BTS Optimization/ATP Software Release 2.16.1.x
FIELD TRIAL
6-17
No AMR Control (MGLI good)
Perform the procedure in Table 6-18 to troubleshoot an AMR control
failure when the MGLI control is good.
Table 6-18: MGLI Control Good - No Control over AMR
Step Action
1 Visually check the master GLI connector (both board and backplane) for damage.
2 Replace the master GLI with a known good GLI.
3 Replace the AMR with a known good AMR.
No BBX Control in the Shelf - (No Control over
Co-located GLIs)
Perform the procedure in Table 6-19 to troubleshoot a BBX control in
the shelf failure.
Table 6-19: No BBX Control in the Shelf - No Control over Co-located GLIs
Step Action
1 Visually check all GLI connectors (both board and backplane) for damage.
2 Replace the remaining GLI with a known good GLI.
3 Visually check BBX connectors (both board and backplane) for damage.
4 Replace the BBX with a known good BBX.
No (or Missing) Span Line Traffic
Perform the procedure in Table 6-20 to troubleshoot a span line traffic
failure.
Table 6-20: MGLI Control Good - No (or Missing) Span Line Traffic
Step Action
1 Visually check all GLI connectors (both board and backplane) for damage.
2 Replace the remaining GLI with a known good GLI.
3 Visually check all span line distribution (both connectors and cables) for damage.
4 If the problem seems to be limited to one BBX, replace the MGLI with a known good MGLI.
5 Perform the BTS Span Parameter Configuration ( see Table 5-4 on page 5-5).
6 Ensure that ISB cabling is correct.
6