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Forum Discussion
RAX120 Fan Settings
I am trying to prevent the fan from spinning up too often and I found out about the following settings page: http://routerlogin.net/Thermal_FAN.htm but applying any of the settings leads to a...
Wanted to also add that the cooling design of the RAX120 has a heat spreader on the bottom of the unit, and a large finned heatsink on the top side of the board.
When the cooling fan is active, it pulls in air through the bottom vents, across the heat spreader, then through the heatsink, and out of the unit via the exhaust fan.
If the bottom has the proper amount of space, then you will get some level of convection similarly to how a radiator works where the heat generated will induce a small amount of airflow throguh the unit, and if a temperature sensor reads too high, the fan should come on to force more airflow through.
The top of the unit will have the SOC, RAM, NAND, and various RF backend hardware, and make direct contact to the large heatsink. The bottom that has the heat spreader, alrgely contains components such as RF front end components like amplifiers.
The fan should not need to run all of the time since the vast majority of the time, the SOC will be largely idle.
Yeah exactly hence why I raised the router of the flush surface so the bottom of the router has about an inch or inch and a half of space between the router and a surface. The router stays warm but not hot like it was when I first installed it. The WiFi doesn’t drop. I don’t have the fan running at all. I highly recommend to raise the router off the flat surface about an inch or inch and half.