H3C Technologies H3C WX3000E Series Wireless Switches - Manual (Page 20)

11
Item Requirements Result
ESD
prevention
• The equipment and rack are well
grounded.
• The equipment room is dust-proof.
• The humidity and temperature are at a
proper level.
• Wear an ESD-preventive wrist strap and
make sure the wrist strap makes good
skin contact and is well 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.
EMI
prevention
• Take effective measures to protect the
power system from the power grid system.
• Separate the protection ground of the
wireless switch from the grounding device
or lightning protection grounding device
as far as possible.
• Keep the wireless switch far away from
radio stations, radar and high-frequency
devices working in high current.
• Use electromagnetic shielding when
necessary.
Lightning
protection
• The grounding cable of the chassis is well
grounded.
• The grounding terminal of the AC power
receptacle is well grounded.
• A port lightning arrester is installed.
(Optional)
Electricity
safety
• Equip a UPS.
• In case of emergency during operation,
switch off the external power switch.