Cisco 2950 - Catalyst Switch Podręcznik dla początkujących - Strona 11

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Warning

If a redundant power system (RPS) is not connected to the switch, install an RPS

connector cover on the back of the switch. Statement 265

Warning

Class 1 laser product. Statement 1008

Warning Statements for Connecting to DC Power

These statements apply when connecting a Catalyst 2950G-24-EI-DC or Catalyst 2950ST-24 LRE 997

switch to DC power.

Warning

When installing the unit, always make the ground connection first and disconnect it last.

Statement 42

Warning

Before connecting or disconnecting ground or power wires to the chassis, ensure that

power is removed from the DC circuit. To ensure that all power is OFF, locate the circuit

breaker on the panel board that services the DC circuit, switch the circuit breaker to the

OFF position, and tape the switch handle of the circuit breaker in the OFF position.

Statement 140

Warning

An exposed wire lead from a DC-input power source can conduct harmful levels of

electricity. Be sure that no exposed portion of the DC-input power source wire extends

from the terminal block plug. Statement 122

To make sure that the equipment is reliably connected to earth ground, follow the

Caution

grounding procedure instructions, and use a UL-listed lug suitable for number-6 AWG

wire and two number-10-32 ground-lug screws.

The switch must be installed with 5-A branch-circuit protection.

Caution