... single/multi mode, SC/ST connector, optional. Features:1. Advanced Ethernet switch technical2. IEEE802.3/802.3u/802.3x/802.3d ... ) auto connection, F /H duplex or force work mode, and support MDI/MDI-X connectionFiber Port: 100BaseFX ports (SC/ST connector ... : 850nm, 1310 nm, 1550nmAlarm output interface: One relay alarm output. Support power, port link and network alarm Indicator: Power, Port link ...