Pin Assignments
Table 6-19 lists the pin assignments of a 4-pin DC power terminal (circular shape).
Table 6-19 Pin assignments of a 4-pin DC power terminal (circular shape)
P1 Signal P2
1 +12 V Red cord-end terminal
2 +12 V
3 GND Black cord-end terminal
4 GND
Connection
A 4-pin DC power cable is connected as follows:
l The input terminal (P1) is connected to the power jack on a router.
l The output terminal (P2) is connected to an external DC power source.
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 For single-phase power supply, insert an N wire and any L wire into the corresponding
holes on the terminal block.
l For three-wire power supply, insert wires L1, L2, L3, and N to the corresponding holes
on the terminal block.
Appearance and Structure
Figure 6-11 shows the structure of a 4-pin AC power terminal.
Figure 6-11 Structure of a 4-pin AC power terminal
Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
6 Cables
Issue 10 (2019-03-06) Copyright © Huawei Technologies Co., Ltd. 653
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