User's Manual Part 2b

Hardware Installation Guide Installing the BSPS
02030311-05 Airspan Networks Ltd. 7-15
13. Check the voltage across the terminals battery input plug DC distribution rack
using a DMM. Ensure that a reading of 48 volts DC is present. If so insert the
plug into the corresponding socket on the front of the DC distribution rack.
14. Repeat the above steps for battery 2 if required.
Note: If any faulty readings were recorded during the process, this would
indicate a damaged monobloc or battery strap. Investigate and replace the
faulty component.
7.4. Rectifiers
The Rectifier module is the heart of the Full-Redundancy 48 VDC BSPS power
system. It converts the input AC to DC current. The Rectifier is a plugged-in module
designed specifically for modular systems. The BSPS can house up to three basic
rectifiers
7.4.1. Installing
The following provides a step-by-step procedure for installing a rectifier.
To install a rectifier in the BSPS system:
1. Remove the blank panel from where you want to install an additional rectifier in
the rectifier shelf.
2. Insert the rectifier into its place with the upper and lower slides.
3. Secure the rectifier in place with 4 screws in the front panel.
4. Verify that the
ON LED is lit.
5. If there is a load on the BSPS system, verify, via the Load Bar, that there is
current sharing in the BSPS system by the rectifier.