Huawei AR550-8FE-D-H - 6.1 Power Cables; 6.1.1 4-Pin Power Cable (Without Terminals)

6.1 Power Cables
6.1.1 4-Pin Power Cable (Without Terminals)
Description
A 4-pin power cable receives power from two inputs: one input directly from a power source
on the vehicle (constant power supply) and the other input from the ACC circuit (switch
controlled power supply).
Appearance and Structure
Figure 6-1 shows the structure of a power cable.
Figure 6-1 Structure of a power cable
ACC+
ACC-
+
-
12
2
2
3
3
4
4
1
1
43
P1 P2
Specifications
None
Pin Assignments
Table 6-1 lists the pin assignments of a 4-pin power cable.
Table 6-1 Pin assignments of a 4-pin power cable
Connector P1
Connector P2 Wire Color
1 - Black
2 ACC- Green
3 ACC+ Red
4 + White
Connection
A 4-pin power cable is connected as follows:
Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
6 Cables
Issue 10 (2019-03-06) Copyright © Huawei Technologies Co., Ltd. 640