Perle S-1000-S2LC10 Gigabit Ethernet Stand-Alone Media Converter - 1 x Network (RJ-45) - 1 x LC Ports - DuplexLC Port - 1000Base-T, 1000Base-LX - 6.21 Mile - External, Rail-mountable, Wall Mountable, Rack-mountable

With 1000Base-T technology get up to 1000Mbps data transfer rate over optical fiber cable The External provides convenient installation Attach multiple devices together or expand the number of devices connected to your existing network by using 2 transceiver/media converter