User Manual

SCCP Backplane Troubleshooting – continued

PRELIMINARY

SC 4812ETL BTS Optimization/ATP

08/15/2000

6-16

Digital Control Problems

No GLI2 Control via LMF (all GLI2s)

Table 6-15: No GLI2 Control via LMF (all GLI2s)

Step Action

1 Check the Ethernet for proper connection, damage, shorts, or

opens.

2 Verify SCCP backplane Shelf ID DIP switch is set correctly.

3 Visually check the master GLI2 connector (both board and

backplane) for damage.

4 Replace the master GLI2 with a known good GLI2.

No GLI2 Control through Span Line Connection (All GLI2s)

Table 6-16: No GLI2 Control through Span Line Connection (Both

GLI2s)

Step Action

1 Verify SCCP backplane Shelf ID DIP switch is set correctly.

2 Verify that the BTS and GLI2s are correctly configured in the

OMCR/CBSC data base.

3 Visually check the master GLI2 connector (both board and

backplane) for damage.

4 Replace the master GLI2 with a known good GLI2.

5 Check the span line inputs from the top of the frame to the

master GLI2 for proper connection and damage.

Table 6-17: MGLI2 Control Good – No Control over Co–located

GLI2

Step Action

1 Verify that the BTS and GLI2s are correctly configured in the

OMCR CBSC data base.

2 Check the ethernet for proper connection, damage, shorts, or

opens.

3 Visually check all GLI2 connectors (both board and

backplane) for damage.

4 Replace the remaining GLI2 with a known good GLI2.