Maintenance and Troubleshooting
Troubleshooting
Strata AirLink Installation Guide 5/00
83
Normal Operation
Table 24
explains how to interpret Base Station LED readings that occur during self- diagnostic
tests that run during normal operation. The LEDs must be read in combination to understand their
meaning. The footnotes to the table contain troubleshooting suggestions.
Replace Defective Base Station
1. Disconnect the transmit and receive cables and power supply, if applicable.
2. Lift the Base Station off the mounting screws.
3. Mount the new Base Station and connect the cables and power supply, if applicable.
4. If the Base Station does not come online within a minute, perform a software upgrade using
the latest version of software. See
“Upgrade Base Stations”
on
Page 76
.
Table 24
Base Station LEDs during Normal Operation
Test Failed
Red LEDs (In Combination)
1
2
3
4
ASIC test
1
1. Test the Base Station on another BSIA or RWIU Base Station port and with different transmit and
receive cables.
Off
Off
Off
On
Phase lock loop lock test
2
2. Reset the Base Station on the other BSIA or RWIU. Reset a Base Station by plugging/unplugging
its transmit or receive cable. Reset all Base Stations by resetting the BSIA.
On
Off
On
Off
Vocoder test
2
Off
On
Vocoder # (0–3)
0:Off
Off
1:Off
On
2:On
Off
3:On
On
Synthesizer unlock test
3
3. Test Base Station transmit/receive cables by replacing the Base Station with a functional one.
On
Off
Off
On
Waiting for configuration test
4
4. Ensure that the system has been activated or check the BSIA or RWIU configuration. Also try
resetting the BSIA.
Off
On
On
Off
Phase lock loop initialization test
2
Off
On
Off
Off
Base Station Interface clock test
2
On
On
Off
Off
Receive loss
2
Off
Off
On
On
Loss of control channel
5
5. Check for RF interference.
On
Off
Off
Off
Summary of Contents for Strata AirLink
Page 6: ...Contents Chapter 5 Maintenance and Troubleshooting iv Strata AirLink Installation Guide 5 00 ...
Page 10: ...Introduction Related Documents Media viii Strata AirLink Installation Guide 5 00 ...
Page 28: ...Pre installation Step 10 Mount Base Stations 18 Strata AirLink Installation Guide 5 00 ...
Page 106: ...Maintenance and Troubleshooting Troubleshooting 96 Strata AirLink Installation Guide 5 00 ...