8
Item
Requirements
Result
Operating
temperature
5°C to 45°C (32°F to 113°F).
Operating humidity
8% RH to 90% RH, noncondensing
Cleanliness
•
Dust
concentration ≤ 3 x 10
4
particles/m
3
.
•
No visible dust on desk within three days.
ESD prevention
•
The device is reliably grounded.
•
Dust-proof measures are taken in the equipment
room.
•
Humidity and temperature are maintained in the
acceptable range.
EMI prevention
•
Effective measures are taken for filtering
interference from the power grid.
•
The protection ground of the device is away from
the grounding facility of power equipment or
lightning protection grounding facility.
•
The device is far away from radio transmitting
stations, radar stations, and high-frequency
devices.
•
Electromagnetic shielding, for example, shielded
interface cables, is used as required.
Lightning protection
•
The AC power source is reliably grounded.
•
(Optional.) Network port lightning protectors are
available.
Electricity safety
•
A UPS is available.
•
The power-off switch in the equipment room is
identified and accessible so that the power can be
immediately shut off when an accident occurs.
Rack installation
•
The rack has good ventilation performance.
•
The rack is stable and strong enough to support
the device and the accessories attached to the
device.
•
The rack size is suitable for the device installation.
•
The clearance around the rack meets the
ventilation requirements.
Safety
precautions
The device is far away from any sources of heat or moisture.
Accessories
Installation accessories supplied with the device are available.
Reference
•
Documents shipped with the device are available.
•
Online documents are available.
