H3c-technologies H3C MSR 800 Manual de usuario descargar pdf (Pagina 11)

Item Re

uirements Yes No

Temperature 0°C to 40°C (32°F to 104°F)

Relative humidity 5% to 90% (noncondensing)

Cleanness Dust concentration ≤ 3 × 10

particles/m

ESD prevention

• The equipment and floor are correctly grounded.

• The equipment room is dust-controlled.

• Humidity and temperature are maintained at

acceptable levels.

• Wear an ESD wrist strap when inspecting or handling

a circuit board.

EMI prevention

• Take measures to protect the power system from the

power grid system.

• Keep the protection ground of the router as far away

from the grounding device or lightning protection

grounding device as possible.

• Keep the router far away from radio transmitters, radar,

and high-frequency or high-voltage devices.

• Use electromagnetic shielding when necessary.

Lightning protection

• The grounding cable of the chassis is grounded

correctly.

• The grounding terminal of the AC power receptacle is

grounded correctly.

• A port lightning arrester is installed. (Optional.)

• A power lightning arrester is installed. (Optional.)

• A signal lightning arrester is installed at the input end

of an external signal cable. (Optional.)

Electricity safety

• Install a UPS.

• In case of emergency during operation, switch off the

external power switch.

Workbench

• The workbench is stable.

• The workbench is grounded correctly.

Safety

precautions

• The router is far away from any sources of heat or moisture.

• The emergency power switch in the equipment room is identified and

accessible.

Tools

• Installation accessories supplied with the router are ready.

• User-supplied tools are ready.

Reference

• Documents shipped with the router are available.

• Online documents are available.

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