Chapter 4 Preparing For Installation; Safety Information; General Safety Recommendations; Electrical Safety - 3Com Switch 7700 Installation Manual

Chapter 4 Preparing for
Installation
This chapter describes safety, site requirements, and tools for your Switch 7700 installation.

4.1. Safety Information

Please follow local safety regulations when performing any operation with the Switch 7700. Follow the related safety
information and special safety instructions provided by 3Com. 3Com bears no responsibility for accidents that occur
due to violations of safe operation requirements.
Only trained and qualified personnel should install and maintain 3Com products.

4.1.1. General Safety Recommendations

Before beginning the installation of the Switch 7700, review these general safety requirements:

4.1.2. Electrical Safety

To maintain electrical safety, review the following requirements:

4.1.3. Placement Safety

Be sure to use caution when moving the Switch 7700. Consider the following requirements when moving the
switch:
Turn OFF all the power and remove all the power cords before opening the chassis.
Keep the chassis clean and dust-free.
Keep the chassis and installation tools away from high traffic areas.
Do not wear loose clothing, jewelry or other objects that could get caught in the chassis
when you install and maintain the switch.
Wear safety glasses when working under any conditions that might be hazardous to
your eyes.
Do not perform any action that creates a potential hazard to people or makes
equipment unsafe.
Look carefully for possible hazards in your work area, such as ungrounded power
extension cables, missing safety grounds, and moist floors.
Locate the emergency power-off switch in the room where you are working. Shut the
power off at once in case an accident occurs.
Unplug all the power cords and external cables before moving the chassis.
Never assume that power is disconnected from a circuit. Always check.
Do not place the switch in a damp environment.
23