Huawei AR Series - Page 14

CAUTION
The equipment heats during operation. The installation site must be well ventilated to ensure
normal operation of the equipment.
l Do not install the equipment near a heat source, for example, a stove or heater.
l The installation site must be well ventilated.
l Air vents of the equipment must not be blocked.
ESD
l Reliably ground the equipment according to grounding requirements.
l Wear an ESD wrist strap to prevent ESD damages to the equipment.
l Ensure that the ESD wrist strap is grounded and in a close contact with your wrist.
Damp Proofing
The equipment must operate in an environment free from water and moisture.
CAUTION
Water or moisture may damage circuits of the equipment.
l The installation site must be free from leaking or dripping water, heavy dew, and
humidity. If the relative humidity is high, use dehumidifiers or air conditioners with
dehumidification features.
l Do not install the equipment downstream or near a water source such as a sink or laundry
room, or in an area with a high humidity.
l Do not touch the equipment with wet hands.
Dust Proofing
When the equipment is installed outdoors, the installation site must have IP55 protection
capability to ensure normal operation of the equipment.
NOTE
IP indicates International Protection rating.
In IP55, the first 5 indicates the dust protection rating, which means "Ingress of dust is not entirely
prevented, but it must not enter in sufficient quantity to interfere with the satisfactory operation of the
equipment; complete protection against contact." The second 5 indicates the water protection rating,
which means "Water projected by a nozzle against enclosure from any direction shall have no harmful
effects."
Corrosive Gases Avoidance
There must be no acidic, alkaline, or other corrosive gases in the installation site.
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.
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