Pre-Installation Checklist - H3C WX1800H Series Installation Manual

Figure 3 Installation accessories for the WX1820H access controller

Pre-installation checklist

Table 4 Pre-installation checklist
Item
Installation
site
Safety
precautions
Accessories
Reference
Requirements
•
Ventilation
•
•
Temperature
•
Relative humidity 5% to 95% (noncondensing).
•
Cleanliness
•
•
•
ESD prevention
•
•
•
EMI prevention
•
•
•
•
Lightning
•
protection
•
•
•
Electricity safety
The device is far away from any sources of heat or moisture.
Installation accessories supplied with the device are available.
•
Documents shipped with the device are available.
•
Online documents are available.
A minimum clearance of 10 cm (3.9 in) is reserved
around the chassis.
The installation site has a good ventilation system.
WX1804H-PWR/WX1820H:0°C~40°C (32°F to 104°F)
WX1810H-PWR:0°C~45°C (32°F to 113°F)
Dust concentration ≤ 3 x 10
No visible dust on desk within three days.
The device is reliably grounded.
Dust-proof measures are taken in the equipment room.
Humidity and temperature are maintained in the
acceptable range.
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.
The device is reliably grounded.
The AC power source is reliably grounded.
(Optional.) Network port lightning protectors are
available.
(Optional.) A surge protected power strip is available.
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.
4
4 3
particles/m .
Result