User's Manual Part 2a

Installing the BSDU Hardware Installation Guide
5-2 Airspan Networks Ltd. 02030311-05
Warning:
To avoid electrical shock and fire hazard ensure that all data and powe
r
connections are made prior to connecting the BSDU to the DC power supply.
When installing the BSDU, it is required that you wear the wrist strap for ESD
prevention.
Note: Airspan supplies unterminated cables for 15-Pin D-type and N-type
connectors. Refer to the cable crimping procedures for these connectors in
Appendix B, “Cable Crimping".
5.1. Overview
The WipLL BSDU is an optional WipLL device that connects multiple BSRs at a
base station. The BSDU is installed in a cabinet at the customer's base station.
The BSDU provides the following functionality:
! Serves up to six BSRs. Up to four BSDUs can be daisy-chained at a single base
station to support up to 24 BSRs.
! Power supply of –48 VDC to BSRs.
! Wide Area Network (WAN) interface to the provider’s backhaul network.
! Frequency-hop synchronization.