ZTE Power cabinet ZXSDR BS8900A include BC8910A ...

 Product Overview

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With the multi-mode era coming, ZTE, who is dedicated to providing comprehensivenetwork solutions and delivering the future-oriented quality network for the operators,developed the ground breaking SDR unified platform with the essential feature to supportmulti-mode and multi-band radio access.Based on this innovative SDR platform, ZTE promotes a series of base stations to satisfydifferent scenario requirements, including Indoor Macro, Outdoor Macro, Distributed,Outdoor Micro, and Mini BTS.These SDR-based serial base stations aim to design a unified network which can bringseamless experience to operators. In GSM, UMTS or mixed mode, it enables operatorsto save CAPEX and OPEX significantly because they only need to deploy a Uni-RadioAccess Network, compared to the independent GSM and UMTS networks.ZXSDR BSA is one outdoor macro BTS, providing an all in one solution for powersupply, battery, and transmission integration. It offers GSM/UMTS dual-mode networkingcapability and provides a future-proof solution for smooth evolution to Enhanced EDGE,HSPA+ and LTE. BSA appearance is shown in Figure 1-1. In the followingchapters, a general description will be given to ZXSDR BSA (hereafter referred as BSA)

Product Architecture

BSA adopts standard 19 inches rack structure. It is composed of outdoor baseband cabinet BCA, outdoor radio cabinet RCA, outdoor radio cabinet RCA, and battery cabinet PCA. Typical configuration dimension of BSA is mm *600mm * 600mm (H*W*D). With the 200mm bottom base and 16mm top cover, the totalheight reaches mm.Outdoor baseband cabinet is also called site support cabinet, including power distributionshelf, fan shelf, baseband unit shelf, ventilation shelf, and additional space reserved for transmission or other equipments. Outdoor RF cabinets are used for containing radio unit,maximum supporting 6 RSUs. Battery cabinet supports maximum 2×150AH battery.BSA complete style is shown in the following figure, consisting of one BCA,one RCA and one PCA. BSA single rack supports up to 60 GSM TRXs or30 UMTS CSs.BSA Physical Architecture (Complete Style)

Hardware Architecture

BSA consists of two main parts: baseband unit and radio unit as shown in thefollowing figure

Figure 2-2 BSA Hardware Structure

Site Support Cabinet BCA

There are mainly five parts in BCA: baseband unit, power supply system, powerdistribution module, heat exchanging system and reserved space for transmission orother equipments. Together with the fan and ventilation vessel, the heat exchangerlocated in the cabinet door makes the heat exchanging system. BCA hardwarearchitecture is shown in the following figure

Figure 2-3 Site Support Cabinet BCA (AC Power Supply)In the case of DC power supply, AC/DC power system (5U) should be replaced by DCpower distribution with 2U in height.Figure 2-4 Site Support Cabinet BCA (DC Power Supply)

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AC/DC Power System

The power system of BCA contains 4×30A AC/DC rectifiers. It is 5U in height. Itsconfiguration depends on the load and the backup battery capacity.

Outdoor Radio Cabinet RCA

RCA consists of 6 RF modules and fan control system. Its physical appearance isshown in the following figure.Figure 2-16 Outdoor Radio Cabinet RCA

Outdoor Radio Cabinet RCA

RCA accommodates 3 RF modules, 4 batteries and fan control subsystem. Itsphysical appearance is shown in the following figure. RCA can be divided into leftand right part. In the right part 3 RSUs can be installed, and in the left part 4 batteries canbe arranged. The capacity of the 4 batteries is 150AH. For details of RF Modules pleaserefer to chapter 2.2.2.

Battery Cabinet PCA

PCA is an outdoor battery cabinet, and it works with BCA and RCA. Thefollowing figure shows the structure of PCA and it contains 8 batteries, with thecapacity of 2×150AH

Technical Specifications

Table 3-1 BSA Physical Indices

Table 3-2 Different Combination of BSA

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