User's Manual

Hardware Installation Manual Installing the BSR
02030311-03 Airspan Networks Ltd. 4-19
4.7. Connecting the BSR to 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 4-3.
Table 4-3: 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
Note: For details on connecting the SDA or BSDU to the mains power supply,
see Chapter 5, “Installing the BSDU” and Chapter 8, “Installing the SPR and
SDA”.