Huawei AR120 Series - Page 101

Context
DANGER
To avoid electric shock, do not connect power cables while the power is on.
NOTICE
l Do not power on a router before you finish connecting power cables and network cables.
l Each router has its own power cables delivered as accessories. The power cables can only
be used on the router in the same package and cannot be used on any other device.
NOTE
l The DC power cable parameters vary in different countries or regions. The figures in this section are
for reference only and may differ from the cables delivered.
l The methods for connecting DC power cables to different routers are the same. The following
procedure connects DC power cables to the AR1220 DC model.
Tools and Accessories
l ESD wrist strap
l Phillips screwdriver
l DC power cables
Procedure
Step 1 Verify that the router is reliably grounded.
Step 2 Set the power switch to OFF.
Step 3 Wear an ESD wrist strap. Ensure that the ESD wrist strap is grounded and in a close contact
with your wrist.
Step 4 Connect the DC power cables.
1. Connect one end of the DC power cables to the DC power module of the router.
NOTE
The black cable is the -48 V return ground cable and must be connected to the RTN(+) terminal.
The blue cable is the -48 V power cable and must be connected to the NEG(-) terminal.
2. Connect the other end of the power cables to output terminals of the external DC power
supply system.
Huawei
AR100&AR120&AR150&AR160&AR200&AR1200&AR
1600&AR2200&AR3200&AR3600 series Enterprise
Routers
Hardware Installation and Maintenance Guide
6 Installing the AR1200 Series/AR2204/AR2220E/
AR2220/AR2204E Series Routers
Issue 05 (2018-07-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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