2-5
Catalyst2955 Hardware Installation Guide
78-14944-03
Chapter2 Overview
Front-Panel Description
Figure2-3 Catalyst 2955S-12 Switch
Warning Labels
The laser safety warning label (as shown in Figure 2-4) is on the
Catalyst 2955C-12 and 2955S-12 switch front panels. The MM fiber-optic ports
on the Catalyst 2955C-12 are Class 1 LEDs. The SM fiber-optic uplink ports on
the Catalyst 2955S-12 are Class 1 laser products.
The laser safety warning label means that you should be careful when working
with fiber-optic ports and cabling. See AppendixC, Translated Safety Warnings
for more information about laser safety guidelines.
1100BASE-LX uplink ports 410/100 ports
2Functional ground lug 5LEDs
3Power and relay connector
MAJ
MIN
12x
11x
1x
2x
CISCO
CA
TALYST 2955
CONSOLE ALARMS
24V B
24V A
RTN A
RTN B
34567
8
91011 12
12AB
1314
MAJ MIN
104913
10Base-T/100Base-TX
13 14
100Base-LX
543
1
2