24*10/00M RJ45 ports, 802.3af/at+2/10/100/1000M RJ45 ports Max power per POE port:30W Port 17-24 10M@transmission distance 250 meters Supply power with the spare line pair Built-in power supply

 24*10/100M POE ports 802.3af/at+2*gigabit Combo TP/SFP ports POE max power per port:30W Built-in power supply Fiber module excluded Fan inside

 16*10/100M POE ports, 802.3af/at+2*10/100/1000M RJ45 ports Max power per POE port: 30W. Port 9-16 support 10M@long transmission distance 250 meters Supply power with the spare line pair Built-in Power supply

 16*10/100M POE ports 802.3af/at+2*gigabit combo TP/SFP ports POE max power per port:30W Built-in power supply Fiber module excluded Fan inside

 8*10/100M POE port, 802.3af/at+2*10/100M Rj45 port 2. Max power per POE port:30W, total power:120W Port 1-8 support 10M@long transmission distance 250 meters Supply power with the spare line pair Built-in power supply

 4*10*100M POE port, 802.3af/at+2*10/100M RJ45 port 2 Max power per POE port:30W, total power:65W. Port 1-4 support 10M@long transmission distance 250 meters Supply power with the spare line pair Built-in power supply