User Manual

Troubleshooting68P09255A57-2
Aug 2002
SC4812ET Optimization/ATP Manual Software Release R16.1.x.x
PRELIMINARY
6-13
No (or Missing) Span Line Traffic
Follow the procedure in Table 6-21 for problems with span line traffic.
Table 6-21: BBX Control Good - No (or Missing) Span Line Traffic
Step Action
1 Visually check all GLI3 connectors (both board and backplane) for damage.
2 Replace the remaining GLI3 with a known good GLI3.
3 Visually check all span line distribution (both connectors and cables) for damage.
4 If the problem seems to be limited to 1 BBX, replace the BBX with a known good BBX.
No (or Missing) MCC24 Channel Elements
Follow the procedure in Table 6-22 for problems with channel elements.
Table 6-22: No MCC-1X/MCC24E/MCC8E Channel Elements
Step Action
1 Verify channel elements on a co-located MCC of the same type (CDF MccType codes:
MCC8E = 0; MCC24E = 2; MCC-1X = 3)
2 Check MCC connectors (both module and backplane) for damage.
3 If the problem seems to be limited to one MCC, replace it with a known good MCC of the same
type.
4 If no channel elements on any MCC, verify clock reference to CIO.
6