Installation guide

2-3
Catalyst 3750 Switch Hardware Installation Guide
OL-6336-01
Chapter 2 Switch Installation
Preparing for Installation
Warning Only trained and qualified personnel should be allowed to install, replace, or
service this equipment. Statement 1030
Warning Read the installation instructions before connecting the system to the power
source. Statement 1004
Warning Before working on equipment that is connected to power lines, remove jewelry
(including 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. Statement 43
Warning Do not stack the chassis on any other equipment. If the chassis falls, it can
cause severe bodily injury and equipment damage. Statement 48
Warning The plug-socket combination must be accessible at all times, because it serves
as the main disconnecting device. Statement 1019
Warning To prevent the switch from overheating, do not operate it in an area that
exceeds the maximum recommended ambient temperature of 113°F (45°C). To
prevent airflow restriction, allow at least 3 inches (7.6 cm) of clearance around
the ventilation openings. Statement 17B
Warning When installing or replacing the unit, the ground connection must always be
made first and disconnected last. Statement 1046