Cisco Systems Cisco 7010, Cisco 7505 installation instructions Prerequisites, Safety Guidelines

Prerequisites

Prerequisites

Before you begin this installation, review the safety guidelines in this section to avoid injuring yourself or damaging the equipment. This section also provides a list of the tools that you need to perform this replacement.

Safety Guidelines

The following guidelines will help to ensure your safety and protect the equipment. These guidelines are not inclusive of all potentially hazardous situations, so be alert.

General Safety Precautions

The following are general precautions for any workplace:

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

•Do not work alone when potentially hazardous conditions exist.

•Do not wear loose clothing, jewelry (including rings and chains), or other items that could get caught in the chassis. Fasten your tie or scarf and sleeves.

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Never install equipment that appears damaged.

Keep tools and chassis components away from walk areas.

Practice good housekeeping; keep tools and parts clean, accessible, and in good working order.

Safety with Electricity

Follow these 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 moving a chassis.

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

•Carefully examine your work area for possible hazards such as moist floors, ungrounded power extension cables, and missing safety grounds.

In addition, use the guidelines that follow when working with any equipment that is connected to telephone wiring or other network cabling:

•Never install telephone wiring during a lightning storm.

•Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations.

•Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface.

•Use caution when installing or modifying telephone lines.

4Cisco 7010 and Cisco 7505 Chassis Replacement Instructions