User's Manual

Troubleshooting: Installation68P64115A18–1
Mar 2003
1X SC 4812T Lite BTS Optimization/ATP Software Release R2.16.1.x
DRAFT
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Cannot Communicate with Communications System Analyzer
Table 6-5: Troubleshooting a Communications System Analyzer Communication Failure
n Step Action
1 Verify analyzer is connected to LMF with GPIB adapter.
2 Verify cable connections as specified in Chapter 3.
3 Verify the analyzer 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 3-23 or Table 3-24
and the Setting GPIB Addresses section of Appendix F for details.
4 Verify the GPIB adapter DIP switch settings are correct. Refer to Test Equipment Preparation
section of Appendix NO TAG 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 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 with Signal Generator
Table 6-6: Troubleshooting a Signal Generator 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 3-23 or Table 3-24
and the Setting GPIB Addresses section of Appendix NO TAG for details.
4 Verify the GPIB adapter DIP switch settings are correct. Refer to Test Equipment Preparation
section of Appendix NO TAG 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 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.
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