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Figure1-2 Installation tools and equipment
Pre-installation checklist
Item
Installation
site
Requirements
•
Ventilation
•
Temperature
0°C to 45°C (32°F to 113°F)
Relative
5% RH to 95% RH (noncondensing)
humidity
Dust concentration ≤ 3 × 10
Cleanness
on the tabletop over three days)
•
•
•
ESD prevention
•
•
•
EMI prevention
•
•
•
•
Lightning
•
protection
There is a minimum clearance of 100 mm (3.94 in)
around the air inlet and outlet vents.
An adequate ventilation system is available at the
installation site.
4
particles/m
The router and floor are reliably grounded.
The equipment room is dust-controlled.
Humidity and temperature are maintained at
acceptable levels.
Wear an ESD wrist strap or ESD gloves and ESD
clothing when touching a circuit board.
Take measures against interference from the power
grid.
Do not use the grounding equipment of the router
together with the grounding equipment or lightning-
prevention equipment of power equipment, and keep
the router far away from them.
Keep the router far away from high-power radio
launchers, radars, and equipment with high
frequency or high current.
Electromagnetic shielding is used as required.
The router is reliably grounded.
The power receptacle is reliably grounded.
(Optional.) Port lightning protectors are available. A
signal lightning arrester is required at the input end of
an external signal cable.
1-5
Result
3
(no visible dust
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