H3c-technologies H3C WX5500E Series Access Controllers Instrukcja Użytkownika Pobierz pdf (Strona 12)

Item Re

uirements

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. 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 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.

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.

Rack-mounting

requirements

• 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.

Safety

precautions

• The device is far away from any moist area and heat source.

• You have located the emergency power switch in the equipment room.

Accessories Accessories provided with the device.

Reference

• Documents shipped with the device.

• Online documents.

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