Maintaining Safety With Electricity - Cisco WS-X3011 Configuration Note

Warning
Before you work on any equipment, be aware of the hazards involved with electrical circuitry and
be familiar with standard practices for preventing accidents. Refer to the appendix "Translated
Safety Warnings" in the Catalyst 3100 Configuration and Installation Guide for translations of the
warnings in this document.
Warning
regulations. (To see translated versions of this warning, refer to the appendix "Translated Safety
Warnings" in the Catalyst 3100 Configuration and Installation Guide.)

Maintaining Safety with Electricity

Follow these guidelines when working on equipment powered by electricity.
Warning
rings, necklaces, and watches). Metal objects will heat up when connected to power and ground and
can cause serious burns or weld the metal object to the terminals. (To see translated versions of this
warning, refer to the appendix "Translated Safety Warnings" in the Catalyst 3100 Configuration and
Installation Guide.)
•
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.
•
Power OFF the switch by unplugging the power cord before doing the following:
— Installing or removing a chassis
— Working near power supplies
Warning
AC units; disconnect the power at the circuit breaker on DC units. (To see translated versions of this
warning, refer to the appendix "Translated Safety Warnings" in the Catalyst 3100 Configuration and
Installation Guide.)
Warning
power switch, line voltages are present within the power supply even when the power switch is OFF
and the power cord is connected. For systems without a power switch, line voltages are present
within the power supply when the power cord is connected. (To see translated versions of this
warning, refer to the appendix "Translated Safety Warnings" in the Catalyst 3100 Configuration and
Installation Guide.)
•
Do not work alone if potentially hazardous conditions exist.
•
Never assume that power is disconnected from a circuit. Always check.
Warning
see translated versions of this warning, refer to the appendix "Translated Safety Warnings" in the
Catalyst 3100 Configuration and Installation Guide.)
•
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, proceed as follows:
— Use caution; do not become a victim yourself.
This warning symbol means danger. You are in a situation that could cause bodily injury.
Ultimate disposal of this product should be handled according to all national laws and
Before working on equipment that is connected to power lines, remove jewelry (including
Before working on a chassis or working near power supplies, unplug the power cord on
Do not touch the power supply when the power cord is connected. For systems with a
Read the installation instructions before you connect the system to its power source. (To
Maintaining Safety with Electricity
Router Card (WS-X3011) Configuration Note 3