Cisco 7513 Series Manual Petunjuk Penggantian - Halaman 3
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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.
•
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.
Cisco 7513 Chassis Replacement Instructions
Prerequisites
3