Ethernet Communication RJ-45 Transmission Speed 10/100/1000 Mbps RJ-45 Port Number 24 + 4 (combo) Ethernet Standard IEEE 802.3 , 802.3u , 802.3ab , 802.3z, 802.3x RJ-45 Transmission Distance 100 m Fiber Port Interface SFP Fiber Transmission Distance Up to 100 km Fiber Port Number 4