Link down mode & Cable length detection - power saving of up to 44%. Through Green Network feature, the GX-D1241 switches can detect when PCs is turned off and will respond accordingly by powering down into standby mode and power consumption can be significantly reduced.
The switches send full power to cables regardless of the actual length. Through Asus Green Network Technology (GNT), the switches are able to detect the cable's length and adjust the power accordingly. By comparing the 20m cable lengths used, only need 18.9W power consumption.