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2-5
Catalyst 2955 Hardware Installation Guide
78-14944-03
Chapter 2 Overview
Front-Panel Description
Figure 2-3 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 Appendix C, “Translated Safety Warnings”
for more information about laser safety guidelines.
1 100BASE-LX uplink ports 4 10/100 ports
2 Functional ground lug 5 LEDs
3 Power and relay connector
MAJ
MIN
12x
11x
1x
2x
C
ISC
O
C
A
TA
LY
ST 2955
CONSOLE
ALARMS
24V B
24V A
RTN A
RTN B
3
4
5
6
7
8
9
10
11
12
1
2
A
B
13
14
MAJ MIN
104913
10Base-T/100Base-TX
13
14
100Base-LX
5
4
3
1
2