User's Manual

Troubleshooting: Installation – continued

May 2000

6-3

SC 4812T CDMA BTS Optimization/ATP

Table 6-2: Troubleshooting a Power Meter Communication Failure

 ActionStep

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

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

and retry.

6 Verify that the Com1 port is not used by another application.

7 Verify that the communications analyzer is in Talk&Listen, not Control mode.

Cannot Communicate to

Communications Analyzer

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

analyzer communication failure.

Table 6-3: Troubleshooting a Communications Analyzer Communication Failure

 Step Action

1 Verify the analyzer is connected to the LMF with GPIB adapter.

2 Verify the cable setup.

3 Verify the GPIB address is set to 18.

4 Verify the GPIB adapter DIP switch settings are correct.

Refer to the Test Equipment setup section starting on page 3–34 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 Verify that the Com1 port is not used by another application.

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