Huawei AR500 Series Hardware Description page 664

Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
Pin Assignments
Table 6-19
Table 6-19 Pin assignments of a 4-pin DC power terminal (circular shape)
P1
1
2
3
4
Connection
A 4-pin DC power cable is connected as follows:
l
l
Ordering Information
None
6.2.6 4-Pin AC Power Terminal
Description
A 4-pin AC power cable consists of a 4-pin AC terminal block and power wires made onsite.
Make the power wires according to the power supply requirements and connect them to the
power supply system.
A 4-pin AC power cable supports single-phase and three-phase power supply. The cable wire
connection method differs in the two power supply modes:
l
l
Appearance and Structure
Figure 6-11
Figure 6-11 Structure of a 4-pin AC power terminal
Issue 10 (2019-03-06)
lists the pin assignments of a 4-pin DC power terminal (circular shape).
Signal
+12 V
+12 V
GND
GND
The input terminal (P1) is connected to the power jack on a router.
The output terminal (P2) is connected to an external DC power source.
For single-phase power supply, insert an N wire and any L wire into the corresponding
holes on the terminal block.
For three-wire power supply, insert wires L1, L2, L3, and N to the corresponding holes
on the terminal block.
shows the structure of a 4-pin AC power terminal.
Copyright © Huawei Technologies Co., Ltd.
P2
Red cord-end terminal
Black cord-end terminal
6 Cables
653