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