User's Manual

Troubleshooting: Installation

68P09258A31–A

Oct 2003

1X SCt 4812T BTS Optimization/ATP

6-4

Table 6-2: Troubleshooting a Power Meter Communication Failure

n 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 cycle GPIB box power and

retry.

6 Verify the LMF computer COM1 port is not used by another application; for example, if a

HyperTerminal window is open for MMI, close it.

7 Reset all test equipment by clicking Util in the BTS menu bar and selecting

Test Equipment>Reset from the pull–down lists.

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

n Step Action

1 Verify signal generator is connected to LMF with GPIB adapter.

2 Verify cable connections as specified in Chapter 3.

3 Verify the signal generator GPIB address is set to the same value displayed in the applicable GPIB

address box of the LMF Options window Test Equipment tab. Refer to Table 3-25 or Table 3-26

and the GPIB Address section of Appendix F for details.

4 Verify the GPIB adapter DIP switch settings are correct. Refer to the CDMA 2000 Test Equipment

Preparation section of Appendix F for details.

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 cycle the GPIB box power

and retry.

6 Verify the LMF computer COM1 port is not used by another application; for example, if a

HyperTerminal window is open for MMI, close it.

7 Reset all test equipment by clicking Util in the BTS menu bar and selecting

Test Equipment>Reset from the pull–down lists.