H3c-technologies H3C MSR 20-1X Manual de usuario descargar pdf (Pagina 22)

Checking the Rack

When installing MSR 20-1X routers, make sure that:

• There is spacing reserved at the air inlet and exhaust in the router for the purpose of heat dissipation

of the router chassis.

• The rack has a good ventilation system for heat dissipation.

• The rack is solid enough to support the weight of the device and the installation accessories.

• The rack is well-grounded.

Safety Precautions

Routers play an important role in data communications network. Please pay attention to the following

signs:

WARNING: Means the reader be extremely careful. Improper operation may cause bodily injury.

CAUTION: Means the reader be careful. Improper operation may cause data loss or damage to

equipment.

When installing or working on the router, observe the following recommendations:

• Keep the router far away from heat sources and dampness.

• Ground the router correctly.

• Wear an ESD-preventive wrist strap, making sure that the strap has good skin contact.

• Do not insert or remove interface modules or interface cards of the router when the power supply is

connected.

• Do not insert or remove a cable when the power supply is connected.

• Connect the interface cables correctly for the router. Do not connect a telephone line (including

ISDN line) to a serial port.

• Use laser with caution. Do not directly stare into apertures or fiber-optic connectors that emit laser

radiation.

• Equip an uninterrupted power supply (UPS).

Installation Tools, Meters and Equipment

Tools

• Phillips screwdriver

• Straight screwdriver

• ESD-preventive twist strap

Cables

• PGND cable and power cord

• Console cable

• Optional cables

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H3c-technologies H3C MSR 20-1X Manual de usuario Pagina 22