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Catalyst 2984G, 2948G-GE-TX, and 2980G Switch Hardware Installation Guide
78-6286-05
Chapter1 Product Overview Switch Components
Figure1-6 Catalyst 2980G Airflow
Power Supplies
There is no power switch on the switches. AC power is present in the power
supply when the power cord is plugged in.
The environmental monitoring and reporting functions allow you to maintain
normal system operation by correcting adverse environmental condition s b ef ore
loss of operation.
Each power supply monitors its own temperat ure and ou tput vo ltages. If the po wer
supply becomes excessively hot, it shuts down to prevent damage. The switches
monitor the operating condition of the power supply and repo rt the status usin g
switch software.
The switches have the following power supplies:
•120 W AC internal power supply—Catalyst 2948G switch
•156 W AC internal power supply—Catalyst 2948G-GE-TX switch
•175 W AC internal power supply—Catalyst 2980G switch
•156 W AC internal power supply—Catalyst 2980G-A switch
Note For complete power specifications for the Catalyst 2948G, 2948G-GE-TX,
and 2980G switches, see Appendix A, “Specifications.”
These switches also be used with an optional Cisco Redundant Power System
(RPS).
32064
STATUS
SLOT 2
SLOT 3
10/100/1000 ETHERENET
171819
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171819
202122232425262728293031
32
32
32
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47
48
48
3334PWR
CONSOLE
CATALYST 2986
10MB MGT
RESET
1
1
2
2
1
2
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