User Manual

Troubleshooting: Receive ATP

PRELIMINARY 2

SC 4812ET BTS Optimization/ATP – CDMA LMF

July 1999

5-10

Multi–FER Test Failure

Table 5-14: Troubleshooting Multi-FER Failure

 Step Action

1 Verify test equipment set up is correct for a FER test.

2 Verify HP8921A is locked to 19.6608 and even second clocks. The yellow LED

(REF UNLOCK) must be OFF.

3 Verify MCCs have been loaded with data and are INS–ACT.

4 Disable and re-enable the MCC (1 or more based on extent of failure).

5 Disable, re-load code and data, and re-enable MCC (one or more MCCs based on

extent of failure).

6 Verify antenna connections to frame are correct based on the directions messages.