Installation guide

Chapter 3 Switch Installation
Preparing for Installation
3-2
Catalyst 3550 Multilayer Switch Hardware Installation Guide
78-11358-06
Warning This equipment is to be installed and maintained by service personnel only as
defined by AS/NZS 3260 Clause 1.2.14.3 Service Personnel. Statement 88
Warning Only trained and qualified personnel should be allowed to install or replace this
equipment. Statement 49
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 66
Warning This equipment is intended to be grounded. Ensure that the host is connected to
earth ground during normal use. Statement 39
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