H3C WX5540H Installation Manual page 13

Item
ESD prevention
EMI prevention
Lightning
protection
Electricity safety
Rack-mounting
requirements
•
The device is far away from any moist area and heat source.
Safety
precautions •
You have located the emergency power switch in the equipment room.
Accessories Accessories provided with the device.
•
Documents shipped with the device.
Reference
•
Online documents.
Requirements
•
The equipment and rack are reliably grounded.
•
The equipment room is dust-proof.
•
The humidity and temperature are at acceptable levels.
•
Wear an ESD wrist strap. Make sure the wrist strap
makes good skin contact and is reliably grounded
when installing FRUs.
•
Place the removed interface card on an antistatic
workbench, with the face upward, or put it into an
antistatic bag.
•
Touch only the edges instead of electronic components
when observing or moving a removed interface card.
•
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.
•
The grounding cable of the chassis is reliably
grounded.
•
The grounding terminal of the AC power receptacle is
reliably grounded.
•
A port lightning arrester is installed. (Optional)
•
Equip a UPS.
•
In case of emergency during operation, switch off the
external power switch.
•
Install the device in an open rack if possible. If you
install the device in a closed cabinet, make sure that the
cabinet is equipped with a good ventilation system.
•
The rack is sturdy enough to support the weight of the
device and installation accessories.
•
The size of the rack is appropriate for the device.
•
The front and rear of the rack are at least 0.8 m (31.50
in) away from walls or other devices.
6
Result