User's Manual

Installing the BSPS Hardware Installation Manual
7-22 Airspan Networks Ltd. 02030311-03
1 5
6 9
Rx
Tx
COM
Figure 7-14: BSDU’s 9-pin D-type Connector Pinouts
Note: See Chapter 5, “Installing the BSDU” for detailed connector pinouts.
7.4.1. BSPS Troubleshooting
The table below indicates methods of solving problems that may arise during the
BSPS installation process.
BSPS troubleshooting tips
Symptom Possible Cause Remedy
FAULT LED is
blinking
One or more rectifier modules
are faulty
Replace the faulty rectifier/s
FAULT LED is on
Any breaker is left open
Abnormal input or output
voltages
Over temperature
LVD is open
Battery test failed
Check all breakers
Check line voltage and load,
rectifiers may be over-loaded
Check the temperature sensor
Check the line, general check
Check the battery breaker, cables
and replace battery if none of this
helps