Table 1-1 Boards In The Bbu3900 - Huawei Airbridge DBS3900 Product Description

1 Overall Structure of the DBS3900

Table 1-1 Boards in the BBU3900

Module
CMPT
HCPM
HECM
LMPT
LBBP
UTRP
UBRI
UEIU
UELP
UFLP
FAN
1-4
Expansion Description
CDMA Main It is the main
Processing&Tra processing and
nsmission Unit transmission
module.
HERT Channel It is the 1X
Processing channel
Module processing
module.
HERT Enhance It is the EV-DO
Channel channel
Processing processing
Module module.
LTE Main It is LTE main
Processing & control and
transmission unit.
Transmission
Unit
LTE BaseBand It is LTE
Processing unit BaseBand
Processing unit.
Universal It is the universal
Extension extension
Transmission transmission
Processing Unit processing unit.
Universal It is the universal
Baseband Radio extension radio
Interface Unit interface unit.
Universal It is the universal
Environment environment
Interface Unit interface unit.
Universal E1/T1 It is the universal
Lightning E1/T1 surge
Protection Unit protection unit.
Universal It is the FE/GE
FE/GE surge protection
Lightning unit.
Protection Unit
FAN Unit It is the FAN unit
of the BBU3900.
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Airbridge DBS3900 CDMA Base Station
Product Description
Function
It processes and transmits data
between the BTS and the BSC,
controls and manages the entire
BTS, and provides clock signals
for the BTS system.
It processes the 1X service data
on forward and reverse channels.
It processes the EV-DO service
data on forward and reverse
channels.
It manages the entire eNodeB in
terms of OM and signaling
processing and provides clock
signals for the BBU3900.
It processes the baseband signals
and Common Public Radio
Interface (CPRI) signals.
It provides connection between
the BBU3900 and the BSC, and
supports IP transmission over
E1/T1 links.
It implements the functions of PN
sharing, 1X resource pool, and
convergence and distribution of
baseband data.
It provides the environment
monitoring signal port for the
BBU3900.
It provides surge protection for
E1/T1 signals.
It provides surge protection for
FE signals.
It implements heat dissipation for
the BBU3900.
Issue 11 (2010-06-18)