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1–Introduction
Power and Cooling Module (PCM)
ISR651101-00 J 1-5
Power and Cooling Module (PCM)
Each iSR6200 chassis blade has a PCM located on the backside of the chassis,
as shown in Figure 1-4.
Figure 1-4. PCM—Back Plate
Each PCM consists of one power supply, three fans, and one external status light
emitting diode (LED), as shown in Figure 1-5.
Figure 1-5. PCM—Front
Each blade is capable of simultaneously driving all six fans in both PCMs.
Generally, only one blade controls both fans, running them at a normal speed.
However, if the system detects a higher-than-expected temperature on either side
of the blade, it forces the fans to run at full speed. After the temperature is back to
normal, the fans resume running at their normal speed.
PCM Status Indicator Fan Exhaust Grill Power Connector
Fans & Temperature Sensors
Mid-Plane Power Connector
Connector to Power Supply
and Temperature Sensors
Fans