ZTE Corporation ZXMBW-RA25 用户手册
ZXMBW RA25 Agile 2.5G Remote Radio Frequency Unit Installation Manual
28
Confidential and Proprietary Information of ZTE CORPORATION
Power Cable Installation
The RA25 uses two types of power supplies.
n
220 V/110 V AC power supply
n
-48 VDC power supply
Power Cable Types
This topic describes the following four types of power cables.
1. 220 V AC power cable of the RA25 chassis
The RA25 equipment is provided with one AC power cable
whose length is determined in the project survey. If cables of
special lengths are required or it is not easy to determine the
lengths needed on site, a coil of power cable and waterproof
connectors can be provided on site for assembly on site.
The AC power cable is a 3-core power cable, with a
waterproof connector.
Figure 19 shows the structure of the cable.
whose length is determined in the project survey. If cables of
special lengths are required or it is not easy to determine the
lengths needed on site, a coil of power cable and waterproof
connectors can be provided on site for assembly on site.
The AC power cable is a 3-core power cable, with a
waterproof connector.
Figure 19 shows the structure of the cable.
F
I G U R E
1 9
AC
P
O W E R
C
A B L E
S
T R U C T U R E
End A of the cable consists of three cores of different colors:
brown, blue, and yellow/green.
brown, blue, and yellow/green.
Table 8 shows the pinouts of the cable.
T
A B L E
8
2 2 0 V
AC
P
O W E R
C
A B L E
P
I N O U T S
Connector Name Core Color
Description
End A1
Blue
AC lightning Arrester-N
End A2
Brown
AC lightning Arrester-L
End A
End A3
Yellow/green
AC lightning Arrester-PE
(protective earth)
(protective earth)