... temperature. Features1. IEEE802.3/802.3u/802.3x,store and forward 2. Plug-and-play, easy to installation3. 10/100M, F/H duplex, MDI ... (X) auto connection, F /H duplex or force work mode, and support MDI/MDI-X connectionFiber Ports: 100BaseFX ports (SC/ST ... *fiber port,single-mode,20Km,12~36VDC,SC/FCSTPcsTransmission distance and single fiber is optinal optical fiber converter/repeater network switch ...