ZTE Corporation ZXMBW-RA25 Benutzerhandbuch
Chapter 4 Power and Grounding Cables Installation
Confidential and Proprietary Information of ZTE CORPORATION 29
Note:
As shown in Figure 19, the section within 60 mm on the
right of the waterproof connector must be wrapped with conducted
fabric in full shielding.
2. 110 V AC power cable of the RA25 chassis
The 110 V AC power cable have the same structure and
pinouts as the 220 V cable.
pinouts as the 220 V cable.
3. -48 V DC power cable of the RA25 chassis
Usually, the RA25 equipment is provided with a 10 m Dc
power cable. A ready cable can be provided by ZTE according
to the on-site survey data. Alternatively, it can also be made
on site as needed.
Figure 20 shows the structure of the DC power cable.
power cable. A ready cable can be provided by ZTE according
to the on-site survey data. Alternatively, it can also be made
on site as needed.
Figure 20 shows the structure of the DC power cable.
F
I G U R E
2 0
D C
P
O W E R
C
A B L E
S
T R U C T U R E
Note:
On End A are three fully insulated chip terminals. End B is
crimped with the appropriate type of wiring terminal, according to the
port type of the air switch of the user power distribution cabinet.
Table 9 shows the pinouts of the cable. For easy
identification, end A is referred to as A1, A2, and A3
respectively, corresponding to cores of different colors.
identification, end A is referred to as A1, A2, and A3
respectively, corresponding to cores of different colors.
T
A B L E
9
- 4 8 V
D C
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
-48 V
End A2
Brown
-48 VGND
End A
End A3
Yellow/green
PE (protective earth)
Note:
When the chassis of the equipment is mounted indoors, the
power cable must be protected with PVC tubes.
4. Fan power cable in the RA25 chassis