Perle SMI-1000-M2ST05 Gigabit Ethernet Media Converter - 1 x Network (RJ-45) - 1 x ST Ports - Management Port - 1000Base-SX, 1000Base-T - 1804.46 ft - External

With 1000Base-SX technology get up to 1000Mbps data transfer rate over optical fiber cable The External provides convenient installation Meet the multiple network connectivity needs of todays network environment with this 2 transceiver/media converter