User's Manual Part 2a

Installing the BSR Hardware Installation Guide

4-14 Airspan Networks Ltd. 02030311-05

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:

Table 4-4: BSR-to-BSDU 15-pin D-type connector pinouts

BSR BSDU 15-pin

D-type

male

Pin Function

Wire color Wire

pair

Pin Function

1 +48 VDC Blue / white 1 +48 VDC

2 -48 VDC Blue

2 -48 VDC

3 Tx+ Orange / white 3 Rx+

4 Tx- Orange

4 Rx-

5 Rx+ Green / white 5 Tx+

6 Rx- Green

6 Tx-

7 Sync.+ Brown / white 7 Sync.+

8 Sync.- Brown

8 Sync.-