User Manual

Bay Level Offset Calibration – continued
July 1999
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SC 4812ET BTS Optimization/ATP – CDMA LMF
PRELIMINARY 2
TX Audit Test
The Tests menu item, TX Audit, performs the TX BLO Audit test for a
BBX2(s). All measurements are made through the appropriate TX output
connector using the calibrated TX cable setup.
Prerequisites: Before running this test, the following should be done:
 CSM–1,GLI2s, BBX2s have correct code load.
 Primary CSM and MGLI2 are INS.
 All BBX2s are OOS_RAM.
 Test equipment and test cables are calibrated and connected for TX
BLO calibration.
 LMF is logged into the BTS.
 Primary CSM is INS (CSM clock valid).
Connect the test equipment as shown in Figure 3-16 and Figure 3-17 and
follow the procedures in Table 3-38 to perform the BTS TX Path Audit
test.
Table 3-38: TX Path Audit
 Step Action
1 Select the BBX2(s) to be audited. From the Tests menu, select TX Audit.
2 Select the appropriate carrier(s) displayed in the Channels/Carrier pick list (use the Shift or Ctrl
key to select multiple items).
3 Type the appropriate channel number in the Carrier n Channels box.
4 Click on OK.
5 Follow the cable connection directions as they are displayed. The test results will be displayed in
the status report window.
6 Click on OK to close the status report window.
Exception Handling
In the event of a failure, the calibration procedure displays a FAIL
message in the status report window and provides information in the
Description field.
Recheck the test setup and connection and re–run the test. If the tests fail
again, note specifics about the failure, and refer to Chapter 7,
Troubleshooting.
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