User Manual

Troubleshooting: Installation – continued

Jan 2002

6-3

SC4812ET BTS Optimization/ATP — CDMA LMF

Cannot Communicate to

Communications Analyzer

Follow the procedure in Table 6-3 to troubleshoot a communication

analyzer failure.

Table 6-3: Troubleshooting a Communications Analyzer Communication Failure

 Step Action

1 Verify analyzer is connected to LMF with GPIB adapter.

2 Verify cable setup.

3 Verify the GPIB address is set to 18.

4 Verify the GPIB adapter DIP switch settings are correct. Refer to Test Equipment setup section

for details.

5 Verify the GPIB adapter is not locked up. Under normal conditions, only 2 green LEDs must be

‘ON’ (Power and Ready). If any other LED is continuously ‘ON’, then power-cycle the GPIB

Box and retry.

6 If a Hyperterm window is open for MMI, close it.

7 Verify the LMF GPIB address is set to 18

8 Verify the analyzer is in Talk and Listen not Control mode.