Item
Cable
One End
The Other End
Connector
Installatio
n Position
Connector
Installatio
n Position
5.8.5 Fan
Box
Cascade
Signal
Cable
RJ-45
connector
COM OUT
port on the
upper-level
fan box
NOTE
Upper-level
fan box: the
fan box
directly
connected to
the BBU.
RJ-45
connector
COM IN
port on the
lower-level
fan box
NOTE
Lower-level
fan box: the
fan box
connected to
the upper-
level fan box
and then to
the BBU.
RJ-45
connector
ELU
RJ-45
connector
SENSOR
on
the fan box
RF Cables
lists the RF cables.
Table 5-5
RF Cables
Item
Cable
One End
The Other End
Connector
Installatio
n Position
Connector
Installation
Position
Cables to be
installed on
site
DIN elbow
male
connector
RF ports on
the RFU
DIN straight
male
connector
Antenna
system
Cables
installed
before
delivery
QMA elbow
male
connector
RX OUT
port on one
RFU panel
QMA elbow
male
connector
RX IN
port
on another
RFU panel
5.2 BTS3900 Cable Connections
The cable connections in the BTS3900 vary according to the power supply scenarios and
configurations related to the cabinet, transmission system, CPRI port, and RF.
This section describes the power cable connections of the BTS3900 cabinet.
5 BTS3900 Cables
BTS3900
Hardware Description
5-8
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 04 (2011-02-15)