IDS-409F3-T2SD20-SD80 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 [20 km/ 12.4 miles ] and 1 x 100Base-EX, 1550nm single mode port with duplex ST connector [80 km/ 49.7 miles ]. -10 to 60C operating temperature.