Electrical Equipment Guidelines; Telephone Wiring Guidelines - Cisco NPE-175 Installation And Configuration Manual

Software and Hardware Requirements

Electrical Equipment Guidelines

Follow these basic guidelines when working with any electrical equipment:
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Telephone Wiring Guidelines

Use the following guidelines when working with any equipment that is connected to telephone wiring or
to other network cabling:
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Network Processing Engine and Network Services Engine Installation and Configuration
8-14
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 moving a chassis.
Do not work alone when potentially hazardous conditions exist.
Never assume that power has been 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.
Never install telephone wiring during a lightning storm.
Never install telephone jacks in wet locations unless the jack is specifically designed for wet
locations.
Chapter 8 Preparation for Installation
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