Working Safely With Electricity - Cisco MGX MGX 8800 Hardware Installation Manual

Chapter 3 Preparing for Installation
Warning This unit might have more than one power supply connection; all connections must be removed
completely for you to completely remove power from the unit. Statement 124
Warning Ultimate disposal of this product should be handled according to all national laws and regulations.
Statement 1040
This unit is intended for installation in restricted access areas. A restricted access area is where
Warning
access can only be gained by service personnel through the use of a special tool, lock and key, or
other means of security, and is controlled by the authority responsible for the location. Statement 37
Warning This product requires short-circuit (overcurrent) protection, to be provided as part of the building
installation. Install only in accordance with national and local wiring regulations.Statement 1045
Use copper conductors only. Statement 1025
Warning
During this procedure, wear grounding wrist straps to avoid ESD damage to the card. Do not directly
Warning
touch the backplane with your hand or any metal tool, or you could shock yourself. Statement 94

Working Safely with Electricity

Follow these guidelines when working on equipment powered by electricity:
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Releases 2 - 5.2, Part Number OL-4545-01, Rev. H0, May 2006
Locate the emergency power-off switch for the room in which you are working. Then, if an electrical
accident occurs, you can act quickly to turn off the power.
Disconnect all power by removing the fuses from the fuse and alarm panel before you:
Install or remove a switch
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Work near power supplies
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Do not work alone if potentially hazardous conditions exist.
Never assume that power is disconnected from a circuit; always check the circuit.
Look carefully for possible hazards in your work area, such as moist floors, ungrounded power
extension cables, frayed power cords, and missing safety grounds.
If an electrical accident occurs and someone is injured, proceed as follows:
Use caution; do not become a victim yourself.
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Turn off power to the system.
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– If possible, send another person to get medical aid. Otherwise, assess the condition of the victim
and then call for help.
Determine if the person needs rescue breathing or external cardiac compressions; then take
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appropriate action.
Cisco MGX 8800/8900 Series Hardware Installation Guide
Safety Requirements
3-5