Installation Instructions

Installing the BSR Hardware Installation Guide
6-26 Airspan Networks Inc. 02030311-07
6.6. Connecting DC Power
The BSR is powered by the SDA or BSDU, depending to which unit the BSR is
connected. The power is supplied through the BSR’s 15-pin D-type port, which is
connected to the SDA or BSDU.
The BSR’s power requirements are described in Table 6-5.
Table 6-5: BSR Power Requirements
Parameter Value Comment
Voltage:
Minimum
Maximum
48 VDC nominal
30 VDC
55 VDC
Voltage is received from the BSDU or
SDA
Maximum Amperes: 500 mA --
Warning: If you are using an external antenna, ensure that you connect the
antenna before connecting the BSR to the power source.
Note: For details on connecting the SDA or BSDU to the mains power supply,
see Chapter 7, “Installing the BSDU” and Chapter 9, “Installing the SDA”.