3-9
Catalyst 2955 Hardware Installation Guide
78-14944-03
Chapter 3 Installation
Preparing for Installation
• Clearance to front and rear panels meet these conditions:
–
Front-panel LEDs can be easily read.
–
Access to ports is sufficient for unrestricted cabling.
–
Front-panel direct current (DC) power and relay connector is within
reach of the connection to the DC power source.
• Airflow around the switch and through the vents is unrestricted. To prevent
the switch from overheating, there must be a minimum of 3 inches between
any other device and the top, bottom, or sides of the switch.
• Temperature surrounding the unit does not exceed 140°F (60°C).
Note When the switch is installed in an industrial enclosure, the
temperature within the enclosure is greater than normal room
temperature outside the enclosure.
The temperature inside the enclosure cannot exceed 140
o
F (60
o
C),
the maximum ambient enclosure temperature of the switch.
• Cabling is away from sources of electrical noise, such as radios, power lines,
and fluorescent lighting fixtures.
Verifying Package Contents
Note Carefully remove the contents from the shipping container, and check each item
for damage. If any item is missing or damaged, contact your Cisco representative
or reseller for support. Return all packing materials to the shipping container and
save them.
The switch is shipped with these items:
• Catalyst 2955 Hardware Installation Guide (Cisco part number
DOC-7814944=)
• Power and relay connector
• Switch installation protective liner
