4-port 10/100Base-TX RJ-45 with auto MDI / MDI-X function 2-port 100Base-FX SFP interface Complies with IEEE 802.3, IEEE 802.3u 10/100Base-TX, 100Base-FX Ethernet standard Supports auto negotiation and 10/100 Mbps half / full duplex mode for each copper port Backplane (Switching Fabric): 1.2 Gbps IP30 metal case protection DIN rail and wall mount design