ZTE Corporation ZXMBW-RA25 Manuale Utente
ZXMBW RA25 Agile 2.5G Remote Radio Frequency Unit Installation Manual
64
Confidential and Proprietary Information of ZTE CORPORATION
F
I G U R E
4 7
G
R O U N D I N G
C
A B L E
W
R A P P I N G W I T H
W
A T E R P R O O F
T
A P E
5. Clamp the feeder external conductor with the grounding
cable sheet copper and the circlip, so that the grounding clip
sheet copper and the feeder external conductor are fully
locked together.
sheet copper and the feeder external conductor are fully
locked together.
6. Conduct the water prevention treatment to the joint of the
grounding clip and the feeder by performing the following
steps:
i. First wrap the waterproof adhesive tapes and then the
steps:
i. First wrap the waterproof adhesive tapes and then the
PVC tapes.
ii. To wrap the waterproof adhesive tapes, wrap them layer
by layer from bottom to top first, then from top to
bottom once again, and finally from bottom to top, that is,
three layers of them. During the process, make sure the
upper layer overlaps the lower layer by about half the
width of the tapes.
bottom once again, and finally from bottom to top, that is,
three layers of them. During the process, make sure the
upper layer overlaps the lower layer by about half the
width of the tapes.
7. The grounding end of the grounding clip can be connected to
the main tower body or the outdoor cable rack (connected to
the lightning protection grid of the building) on the roof.
Remove the paint and oxide within the radius of about 13
mm at the connection place, and cover the clean area with
antioxidant to ensure good electric contact. When the
grounding end is connected, apply another coating of
antirust paint.
the lightning protection grid of the building) on the roof.
Remove the paint and oxide within the radius of about 13
mm at the connection place, and cover the clean area with
antioxidant to ensure good electric contact. When the
grounding end is connected, apply another coating of
antirust paint.
E
ND OF STEPS
Chassis Jumper Installation
The chassis jumper must be installed between the main feeder
and the chassis. Usually, the finished 2 m jumpers are used. You
can also prepare the jumpers on site as per the actual length
required.
and the chassis. Usually, the finished 2 m jumpers are used. You
can also prepare the jumpers on site as per the actual length
required.
n
If the finished jumpers are used, they can be directly
installed between the feeder and the chassis.
installed between the feeder and the chassis.
n
If the jumpers are prepared on site, 1/2'' feeders must be
prepared through cutting according to the specific length of
each jumper. Assemble the appropriate feeder connector
prepared through cutting according to the specific length of
each jumper. Assemble the appropriate feeder connector