User's Manual

Installing the BSR Hardware Installation Manual
4-14 Airspan Networks Ltd. 02030311-03
4.5.2. Through the BSDU
For base stations consisting of multiple BSRs, the power supply and connectivity to
the backhaul network is provided by the BSDU. The BSR’s 15-pin D-type port is
connected to the BSDU’s rear panel 15-pin D-type port (labeled BSR #).
Note: For a detailed description of the BSDU, see Chapter 5, “Installing the
BSDU”.
The BSR-to-BSDU cable connection configurations is as follows:
! Connector:
! BSR: 15-pin D-type male (only 8 pins are used)
! BSDU: 15-pin D-type male (only 8 pins are used)
! Cable: straight-through 10Base-T Ethernet 4 Pair Cat 5 outdoor type – 24 AWG
! Connector pinouts:
! BSR:
BSR
(15-pin D-type)
Pin Function
1 + 48VDC
2 - 48VDC
3 +Tx
4 -Tx
5 +Rx
6 -Rx
7 +S
y
nc.
8 -S
y
nc.
9
N
ot connected
(
NC
)
10
N
C
11
NC
12
NC