Huawei Technologies Co. Ltd PRU11WIFI 用户手册
DBS3900 LampSite
Installation Guide
Installation Guide
6 Installing an RHUB
Issue 08 (2016-05-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
37
Optical fibers cannot be stretched with too much force or stepped on, and they are far
away from sharp objects. Heavy objects cannot be placed on optical cables.
away from sharp objects. Heavy objects cannot be placed on optical cables.
When optical cables are routed, the extra length of the cables is coiled around special
devices, such as a fiber coiler.
devices, such as a fiber coiler.
Even strength is applied when optical cables are coiled and optical cables cannot be bent
in a forcible manner.
in a forcible manner.
Vacant optical connectors are covered with dust-proof caps.
Fiber optic cables cannot be squeezed by the cabinet door when routed through the
cabinet.
cabinet.
If optical cables need to be routed on the tower platform, the optical cables are routed
along the inner side of the guard rail and the distance between the guard rail and the
cable is the shortest one.
along the inner side of the guard rail and the distance between the guard rail and the
cable is the shortest one.
If optical cables need to be routed close to a device on the tower, the optical cables are
secured to the guard rail or pole with cable clips and the device cannot be far away from
the position for securing the optical cables.
secured to the guard rail or pole with cable clips and the device cannot be far away from
the position for securing the optical cables.
If the optical cable close to a device on the tower is too long, the optical cables are
wrapped and secured to the tower.
wrapped and secured to the tower.
6.4.2 Cable List
The DBS3900 LampSite cable list includes BBU cable list, DCU cable list, RHUB cable list,
pRRU cable list.
pRRU cable list.
BBU Cable List
The following table lists BBU3900 cables and BBU3910 cables.
Except the CPRI fiber optic cable, for details about the cables exterior and related description in Table
6-3 and Table 6-4, see 3900 Series Base Station Cables.
6-3 and Table 6-4, see 3900 Series Base Station Cables.
Table 6-3
BBU3900&BBU3910 cable list
Cable
One End
The Other End
Connector
Installation
Position
Position
Connector
Installation
Position
Position
BBU PGND
Cable
Cable
OT terminal
(M4, 6 mm
(M4, 6 mm
2
or
0.009 in.
2
)
Ground
terminal on the
BBU
terminal on the
BBU
OT terminal
(M8, 6 mm
(M8, 6 mm
2
or
0.009 in.
2
)
External
ground bar
ground bar
BBU Power
Cable
Cable
3V3 connector
-48V port on
UPEU in BBU
UPEU in BBU
Depending on
the power
equipment
the power
equipment
Depending on
the power
equipment
the power
equipment
E1/T1 Cable
DB26 male
connector
connector
E1/T1 port on
the UMPT,
GTMU, UELP,
WMPT, or
UTRP in the
BBU
the UMPT,
GTMU, UELP,
WMPT, or
UTRP in the
BBU
Depending on
site
requirements
site
requirements
External
transmission
equipment
transmission
equipment
E1/T1 Surge
DB26 male
E1/T1 port on
DB25
INSIDE port