Context
DANGER
To avoid electric shock, do not connect power cables while the power is on.
NOTICE
Do not power on a router before you finish installing the router and connecting cables.
The power cable length must be shorter than or equal to 3 m. Table 5-2 lists the required
specifications of the power cables.
Table 5-2 Specifications of 2-pin DC cables
Conductor Type
Minimum Conductor
Cross-Sectional Area
Maximum Conductor
Cross-Sectional Area
Solid
0.5 mm
2
or 20 AWG 1.5 mm
2
or 16 AWG
Twisted
0.5 mm
2
or 20 AWG 1.5 mm
2
or 16 AWG
Tools and Accessories
l Wire stripper
l Flat-head screwdriver
l ESD wrist strap
l 2-pin DC output terminal blocks
l 3-pin AC input terminal block
l Power cables (five, separately purchased)
l Network cables (two for each PD, separately purchased)
Procedure
Step 1 Verify that the router is reliably grounded.
Step 2 Wear an ESD wrist strap. Ensure that the ESD wrist strap is grounded and in a close contact
with your wrist.
Step 3 Assemble the 2-pin DC power cables.
NOTE
l Two cables are connected to the 2-pin terminal block in the same way. The following procedure uses
one cable as an example.
l Insert the two cables into the 2-pin terminal block, with the RTN (+) cable in the left hole and the
NEG (-) cable in the right hole.
Huawei AR500&AR530&AR550 series Industrial Switch
Routers
Hardware Installation and Maintenance Guide
5 Installing an AR550 Series Industrial Switching Router
Issue 05 (2015-12-01) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
116
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