Installing a Fan-Speed Controller in Cisco 3620 Routers 9
Installing the Fan-Speed Controller
Figure 4 Removing Screws from the Motherboard
Step 3 Connect the two fan connectors to the two fan-speed controller connectors. (See
Figure 5.)
Note You can connect either fan connector to either fan-speed controller connector.
They are interchangeable.
Step 4 Connect any one of the two power supply connectors to the single fan-speed controller
power connector. (See Figure5.)
Note Only one power supply connector is attached to the fan-speed controller. The
second power supply connector is not used, and does not affect system operation.
Remove 2 screws
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