Smart Fans - D-Link DGS-1250 Series Hardware Installation Manual

DGS-1520 Series Gigabit Ethernet Smart Managed Switch Hardware Installation Guide

Smart Fans

The DGS-1520 Series Switches includes smart fans that will automatically change their speed depending on the
internal temperature detected by the sensors built-in the Switch's hardware.
The following table lists at what temperature the speed of the fan(s) will change:
Module
DGS-1520-28
DGS-1520-28MP
DGS-1520-52
DGS-1520-52MP
Low Speed
Below 30°C
Below 30°C
Below 30°C
Below 30°C
Medium Speed
Above 33°C / Below 37°C
Above 33°C / Below 37°C
Above 33°C / Below 37°C
Above 33°C / Below 37°C
10
High Speed
Above 40°C
Above 40°C
Above 40°C
Above 40°C