Huawei BTS3900A Installation Manual page 16

BTS3900A(Ver.B)
Installation Guide
Table 3-1 Configurations of the APM30H
No.
1
2
3
4
5
Issue 01 (2011-10-25)
Module/ Optional/
Board Mandatory
Fan box Mandatory
SLPU Mandatory
PSU (AC/ Mandatory
DC)
EPS subrack Mandatory
BBU3900 Mandatory
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3 Information About the Installation
Maximum Description
Number of
Boards or
Modules
Configured
in a Single
Cabinet
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 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 The power supply unit (PSU)
converts 110 V/220 V AC power
into -48 V DC power.
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.
1 The BBU3900 processes the
baseband signals and enables
interaction between the base
station and the BSC or RNC.
7