Cisco 7000 and 7507 Chassis MAS-7507 Guide d'installation télécharger pdf (Page 10)

10 Cisco 7000 and Cisco 7507 Rack-Mount Kit Installation Instructions

Prerequisites

Safety with Electricity

Follow these basic guidelines when working with any electrical equipment:

• Before beginning any procedures requiring access to the chassis interior, locate the emergency

power-off switch for the room in which you are working.

• Disconnect all power and external cables before installing or removing a chassis.

• Do not work alone if potentially hazardous conditions exist.

• Never assume that power is disconnected from a circuit; always check.

• Do not perform any action that creates a potential hazard to people or makes the equipment

unsafe.

• Carefully examine your work area for possible hazards such as moist ﬂoors, ungrounded power

extension cables, and missing safety grounds.

Warning Do not work on the system or connect or disconnect cables during periods of lightning

activity. (For translations of this safety warning, refer to the section “Lightning Activity Warning”

on page 34.)

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Cisco 7000 and 7507 Chassis MAS-7507 Guide d'installation Page 10