User's Manual

Installing the BSR Hardware Installation Manual
4-2 Airspan Networks Ltd. 02030311-03
4.1. Overview
The BSR is the center of the WipLL system. The BSR provides last-mile wireless
connectivity by connecting the customer’s backhaul network to the subscriber’s
wireless unit (Subscriber Premises Radio [SPR]). In addition, the BSR is responsible
for synchronizing the WipLL network (i.e., synchronizing SPRs/IDRs).
For base stations consisting of only a single BSR, the BSR is typically powered and
connected to the customer’s backhaul by the WipLL Subscriber Data Adapter
(SDA). For base stations consisting of multiple BSRs, the BSRs are powered and
connected to the customer’s backhaul by the WipLL Base Station Distribution Unit
(BSDU).
The BSR is available in two models: BSR with an internal antenna providing 60°
sector coverage; and a BSR with an N-type port for connection to an optional third-
party external antenna.