DBS3900 LampSite
Installation Guide
6 Installing an RHUB
Issue 08 (2016-05-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
40
Cable
One End
The Other End
Connector
Installation
Position
Connector
Installation
Position
UEIU in the
BBU
GPS Clock Signal
Cable
SMA male
connector
GPS port on
LMPT, USCU,
or UMPTa6 in
the BBU
Type N female
connector
GPS surge
protector
BBU
Interconnection
Signal Cables
DLC connector M0 to M4 ports
on the UCIU in
the BBU
DLC connector CI port on the
UMPT in the
BBU
Cable Between
Two Combined
Base Stations
DB15 male
connector
GCK port on
the UCIU in
the BBU
MD36 or
DB15 male
connector
DCTB or
DGLUb
Adapter Used for
Local
Maintenance
USB
a
connector
USB
a
port on
the UMPT in
the BBU
Network
connector
Ethernet cable
a: The security of the USB port is ensured by encryption, and the USB port can be shut down using
commands. The USB commission port is used for commissioning the base station rather than
configuring and exporting information of the base station.
The following table lists BBU3910A cables.
Table 6-4
BBU3910A cable list
Cable
One End
The Other End
Connector
Installation
Position
Connector
Installation
Position
PGND cable for
the BBU3910A
OT terminal
(M6, 16 mm
2
or
0.025 in.
2
)
Ground
terminal on the
BBU3910A
OT terminal
(M8, 16 mm
2
or
0.025 in.
2
)
Ground
terminal on the
ground bar
Power cable for
the BBU3910A
EPC4 connector NEG(-) and
RTN(+) ports
on the
BBU3910A
Depending on
the power
equipment
Depending on
the power
equipment
Dry contact
alarm cable for
the BBU3910A
DB15
waterproof
male connector
(waterproof on
the connector's
both sides)
EXT_ALM port
on the
BBU3910A
Cord end
terminal
Equipment to
be monitored
RS485 alarm
cable for the
DB15
waterproof
EXT_ALM port
on the
RJ45 connector
COM_IN port
on the