ZTE Corporation ZXMBW-RA25 Manuale Utente
Chapter 4 Power and Grounding Cables Installation
Confidential and Proprietary Information of ZTE CORPORATION 31
Grounding Cable Installation
Usually, the user must be responsible for completing the basic
ground grid construction of the grounding system, the grounding
work of the iron tower and buildings, and the connection point
construction of the indoor/outdoor grounding busbars. The on-
site engineers need to install the enclosure PE cable of the RA25
chassis. The RA25 enclosure has no PE terminal, as shown in
Figure 22.
ground grid construction of the grounding system, the grounding
work of the iron tower and buildings, and the connection point
construction of the indoor/outdoor grounding busbars. The on-
site engineers need to install the enclosure PE cable of the RA25
chassis. The RA25 enclosure has no PE terminal, as shown in
Figure 22.
F
I G U R E
2 2
C
H A S S I S
P E
C
A B L E
I
N S T A L L A T I O N
S
C H E M A T I C
D
I A G R A M
2
1
1 Chassis PE terminal 2 Grounding terminal
Figure 23 shows the structure of the grounding cable.
F
I G U R E
2 3
C
H A S S I S
G
R O U N D I N G
C
A B L E
S
T R U C T U R E
This cable is made of a 35 mm
2
yellow/green copper wire, with
round metallic bare terminals (also known as lugs) crimped on
both ends.
End A of the grounding cable must be connected to the PE
terminal of the chassis, while end B can be connected in the
following two ways:
both ends.
End A of the grounding cable must be connected to the PE
terminal of the chassis, while end B can be connected in the
following two ways: