2.1 Reading Carefully the Safety Cautions
Read and follow all the safety cautions and instructions on the router or described in this
document to protect personal and equipment safety during installation, operation, and
maintenance.
NOTICE, CAUTION, and DANGER items in this document do not cover all the safety
cautions and are only supplementary to the safety cautions.
Only trained and qualified personnel are allowed to install or maintain Huawei equipment.
Familiarize yourself with all safety cautions before performing any operation on the
equipment.
General Safety Guidelines
DANGER
In case of fire, immediately leave the building or equipment deployment site and press the fire
alarm button or call the fire department. Never enter the building on fire again in any
situation.
CAUTION
l Before performing any operation on the equipment, wear ESD clothing and ESD gloves or
an ESD wrist strap. Remove conductive objects like jewelry and watch to avoid electric
shock or burn.
l After installing the equipment in a cabinet/rack, connect a ground cable to the equipment
before any operations on the equipment. Remove the ground cable only after you remove
all the other components and cables from the equipment.
Environmental Safety
DANGER
Do not place or operate the equipment in an environment with flammable or explosive gases
or smoke.
NOTE
l Keep the equipment away from water or damp to prevent damages to circuits.
l The equipment heats during operation. The installation site must be well ventilated to ensure normal
operation of the equipment.
Huawei AR500&AR530&AR550 series Industrial Switch
Routers
Hardware Installation and Maintenance Guide
2 Preparations for Installation
Issue 05 (2015-12-01) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
4
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