6
Pre-installation checklist
Table 5 Pre-installation checklist
Item Requirements
Result
Installation
site
Ventilation
•
A minimum clearance of 100 mm (3.9 in) is reserved
around the chassis.
•
The installation site has a good ventilation system.
Temperature
•
Without a hard disk: 0°C to 45°C (32°F to 113°F).
•
With a hard disk: 5°C to 40°C (41°F to 104°F).
Relative humidity
•
Without a hard disk: 5% to 95%, noncondensing.
•
With a hard disk: 10% to 80%, noncondensing.
Cleanliness
•
Dust
concentration
≤
3 x 10
4
particles/m
3
.
•
No visible dust on desk within three days.
ESD prevention
•
The device and floor are reliably grounded.
•
Dust-proof measures are taken in the equipment room.
•
Humidity and temperature are maintained at acceptable
levels.
•
An ESD wrist strap and ESD garment are available.
•
An
anti-static
workbench
and anti-static bags are
available.
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 device is reliably grounded.
•
The AC power receptacle is reliably grounded.
•
(Optional.) Port lightning protectors are available.
•
(Optional.) Power lightning protectors are available.
•
(Optional.) Signal cable lightning protectors are
available.
Electricity safety
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.
Workbench
•
The workbench is stable.
•
The workbench is reliably grounded.
Rack
•
The rack has a good ventilation system.
•
The rack is sturdy and can support the device and its
accessories.
•
The rack has a size that can accommodate the device.
•
A minimum clearance of 0.8 m (2.62 ft) is reserved
between the rack and walls or other devices.
Safety
precautions
•
The device is far away from any sources of heat or moisture.
•
The emergency power switch in the equipment room is identified and
accessible.
