User's Manual
Network Cabling Hardware Installation Guide
8-2 Airspan Networks Inc. 02030311-07
8.1. BSR Connected to an SDA
An SDA is typically implemented at Base Stations that consist of only a single BSR.
The SDA provides Ethernet interface between the BSR and the provider's backhaul
network.
Notes:
1) The SDA is typically implemented at the subscriber's site with the SPR.
For a detailed description of installing the SDA, see Part 2, "CPE Installation –
SPR".
2) The SDA also supplies –48 VDC power to the BSR.
8.1.1. Connecting BSR to SDA
The BSR outdoor radio is connected to the indoor SDA device by a standard CAT 5
cable.
The following lists the BSR-to-SDA cable setup:
! Cable: straight-through CAT-5 (100 meters) 4 Pair outdoor type – 24 AWG
! Connectors:
! BSR side: 15-pin D-type male (only 8 pins are used)
! SDA side: 15-pin D-type male (only 8 pins are used)
Notes:
1) The maximum cable length between the BSR and SDA is 100 meters.
2) Airspan supplies unterminated CAT 5 cables for 15-pin D-type connectors.
For a detailed description on crimping cables, see Appendix C, “Cable Crimping".