Huawei BTS3900A Installation Guide

Table 3-1 Configurations of the APM30H
No. Module/
Board
Optional/
Mandatory
Maximum
Number of
Boards or
Modules
Configured
in a Single
Cabinet
Description
1 Fan box Mandatory 1 The fan box is configured with the
fan, Hert Power Monitoring
Interface unit (HPMI), and
Central Monitoring Unit type A
(CMUA). It is used to dissipate
heat in the cabinet.
2 SLPU Mandatory 2 The Signal Lightning Protection
Unit (SLPU) is installed in the top
1 U space of the cabinet, providing
protection for trunk signals as a
mandatory component. The SLPU
is configured with the Universal
E1/T1 Lightning Protection unit
(UELP) or Universal FE
Lightning Protection unit (UFLP).
The SLPU is an optional
component, which is used to
protect monitoring signals, is
installed in the 1 U space below
the BBU. It contains two
Universal Signal Lightning
Protection unit 2 boards (USLP2
boards).
3
PSU (AC/
DC)
Mandatory 3 The power supply unit (PSU)
converts 110 V/220 V AC power
into -48 V DC power.
4 EPS subrack Mandatory 1 The EPS provides functions of AC
and DC power distribution for the
cabinet. There are two types of
EPSs, which are used in 110 V AC
and 220 V AC power supply
scenarios.
5 BBU3900 Mandatory 1 The BBU3900 processes the
baseband signals and enables
interaction between the base
station and the BSC or RNC.
BTS3900A(Ver.B)
Installation Guide 3 Information About the Installation
Issue 01 (2011-10-25) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
7

Huawei BTS3900A Specifications

General

Brand	Huawei
Model	BTS3900A
Category	Accessories
Language	English