Huawei NE05E Hardware Manual page 413

HUAWEI NE05E,NE08E
Hardware Guide
Ensure that no water accumulates on the floor or drops to the equipment
packaging. Keep the equipment away from places where water is apt to leak, such
as the places near automatic fire-fighting facilities and heating facilities.
If the equipment has to be stored outdoors, ensure that:
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Dustproof and Waterproof Capability of the Device
The protection rating of the equipment is IP20. (The first number "2" indicates
that the equipment can prevent a solid foreign object with the diameter larger
than 5 mm from entering the equipment. The second number "0" indicates that
the waterproof function is not provided.)
Install the device in a place that is free from flooding and prevent foreign objects
such as screw and cable end from entering the heat-dissipation hole of the device.
Otherwise, the device may be burnt due to short circuit.
Outdoor Dustproof and Waterproof Requirement
If the network cabinet is installed outdoors or in a corridor that is exposed to rain,
the network cabinet must meet the requirements of IP55 rating protection at
least. ("IP" indicates International Protection Rating. The first number "5" refers to
the rating for preventing the solid particle from entering the network cabinet.
That is, ingress of dust is not totally prevented, but dust shall not penetrate in a
quantity to interfere with satisfactory operation of apparatus or to impair safety.
The second number "5" refers to the rating for preventing water from entering the
network cabinet. That is, water projected in jets against the enclosure from any
direction shall have no harmful effects.)
In regions with heavy dust, it is recommended that customers add air filters to
their customized network cabinets to improve the reliability of the network
cabinet.
Indoor Dustproof and Waterproof Requirement
If the network cabinet is installed indoors or in a corridor that is free from rain,
the network cabinet must meet the requirements of IP31 rating protection at
least. (The first number "3" indicates that the network cabinet can prevent a solid
object with the diameter equal to or larger than 2.5 mm from entering the
network cabinet. The second number "1" indicates that vertically falling drops
shall have no harmful effects.)
In regions with heavy dust, it is recommended that customers add air filters to
their customized network cabinets to improve the reliability of the network
cabinet.
Corrosion Protection
To ensure normal running of the equipment installed in environment B,
concentration of corrosive gas must satisfy relevant requirements.
Issue 05 (2023-03-31)
The packaging is intact.
Rainproof measures are taken to prevent water from entering the packaging.
No water accumulates under the packaging.
The packaging is not exposed to sunlight.
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