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Chapter 2 Overview
Front-Panel Description
2-12
Catalyst 2955 Hardware Installation Guide
78-14944-03
Figure 2-8 LEDs on Catalyst 2955C-12 and Catalyst 2955S-12 Switches
Power Status LEDs
The Catalyst 2955 switch can operate with one or two power supplies. Each power
supply input has an associated LED that shows the power supply status.
If the switch is in single-power mode and only power supply A is present and
functioning, the LED for power supply B is green, and the LED for power supply
A shows its status.
If the switch is in single-power mode and only power supply B is present and
functioning, the LED for power supply A is green, and the LED for power supply
B shows its status.
1 10/100 port status LEDs 3 Alarm relay LEDs
2 Uplink port status LEDs 4 Power supply LEDs
12x
11x
1x
2x
CISCO
CATALYST 2955
10Base-T/100Base-TX
3
4
5
6
7
8
9
10
11
12
1
2
A
B
13
14
MAJ MIN
104914
1
2
3
4