IDS-509F3-T2SD40-MD2 Industrial Managed Switch, 9 ports: 6 x 10/100/1000Base-T Base-T RJ-45 ports and 2 x 100Base-LX, 1310nm single mode port with duplex ST connector [40 km/ 24.9 miles ] and 1 x 100Base-FX, 1310nm multimode port with duplex ST connector [ up to 5km/3.1 miles ]. -10 to 60C operating temperature. PRO Software feature set.