Huawei AR500 Series Hardware Description page 658

Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
Figure 6-6 Structure of a 2-pin DC power terminal
Specifications
To meet current (lower than 2 A) and ambient temperature requirements, you are advised to
use power wires with 1.0 mm
pin DC cable.
Table 6-10 Specifications of a 2-pin DC cable
Conductor Type
Solid
Twisted
Pin Assignments
Table 6-11
Table 6-11 Pin assignments of a 2-pin DC power terminal
X1
1
2
Connection
A 2-pin DC power cable is connected as follows:
l
Issue 10 (2019-03-06)
2
lists the pin assignments of a 2-pin DC power terminal.
The 2-pin DC terminal block is connected to the DC power socket of an industrial
switching router.
Copyright © Huawei Technologies Co., Ltd.
RTN(+)
NEG(-)
NEG(-)
RTN(+)
conductors. Table 6-10 lists the required specifications of a 2-
Minimum Conductor
Cross-Sectional Area
2
0.5 mm or 20 AWG
2
0.5 mm or 20 AWG
Signal
RTN (+)
NEG (-)
6 Cables
Maximum Conductor
Cross-Sectional Area
2
1.5 mm or 16 AWG
2
1.5 mm or 16 AWG
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