Power Cables; 4-Pin Power Cable (Without Terminals) - Huawei AR500 Series Hardware Description

Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description

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
Figure 6-1 Structure of a power cable
1
4
Specifications
None
Pin Assignments
Table 6-1
Table 6-1 Pin assignments of a 4-pin power cable
Connector P1
1
2
3
4
Connection
A 4-pin power cable is connected as follows:
Issue 10 (2019-03-06)
shows the structure of a power cable.
2
1 2
4 3
3
P1
lists the pin assignments of a 4-pin power cable.
Copyright © Huawei Technologies Co., Ltd.
Connector P2
-
ACC-
ACC+
+
6 Cables
1
-
2
ACC-
3
ACC+
4
+
P2
Wire Color
Black
Green
Red
White
640