4
•
Use electromagnetic shielding, for example, shielded interface cables, when necessary.
Lightning protection
To protect the device from lightning, follow these guidelines:
•
Make sure the chassis is reliably grounded by using the grounding cable.
•
Make sure the grounding terminal of the AC power receptacle is reliably grounded.
•
Install a lightning protector at the power input end.
Installation accessories
Power cable
(provided)
Power adapter
(provided)
Rubber feet
(provided)
Grounding
terminal
(provided)
Console cable
(provided)
Grounding
cable
(user-supplied)
Pre-installation checklist
Table 4
Pre-installation checklist
Item Requirements
Result
Installation
site
Ventilation
•
There is a minimum of 10 cm (3.9 in) of clearance
around the device.
•
A ventilation system is available at the installation site.
Temperature
0°C to 40°C (32°F to 104°F)
Relative humidity
5% to 95% (noncondensing)
Cleanness
•
Dust concentration
≤
3 × 10
4
particles/m
3
•
No dust on desk within three days
ESD prevention
•
The device is reliably grounded.
•
The equipment room is dust-proof.
•
The humidity and temperature are at acceptable levels.
EMI prevention
•
Take effective measures to protect the power system
from the power grid system.
•
Separate the protection ground of the device from the
grounding device or lightning protection grounding
device as far as possible.
•
Keep the device far away from radio stations and radar
and high-frequency devices working in high current.
•
Use electromagnetic shielding when necessary.
