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Cisco ME 3800X and ME 3600X Switch Hardware Installation Guide
OL-22168-01
Chapter 3 Installing and Removing AC and DC Input Power Supply and Fan Modules
Power Supply Module Description
Each power supply module is cooled by three internal fans. A fan failure triggers an alarm. When a fan
fails, replace the power supply module immediately.
Caution Both slots must be occupied either by two power supply modules or a power supply and a fan module.
Do not run the switch with an empty slot unless you are replacing a faulty power supply or fan module.
Running the switch with an empty slot triggers an alarm.
Figure 3-1 AC Input Power Supply Module Handle Side
Figure 3-2 DC Input Power Supply Module Handle Side
1 AC input power supply module 4 Extraction handle
2 Power supply module LED 5 Power switch
3 Power input LED 6 AC power connector
207446
PSU OK
AC
2
1
5
6
4
3
1 DC input power supply module 4 Extraction handle
2 Power supply module LED 5 DC input power terminal block
3 Power input LED 6 Power switch
PSU OK
AC
2
1
5
6
4
3
207447