... (X) + 2-port 100Base-FX, Multi-mode, SC, ST, optional, DC12-36V 6-port 10/100Baes-T(X ... ) + 2-port 100Base-FX, Single-mode, SC, ST, optional, DC12-36V HS200-05 series are a ... -X connection.100BaseFX ports supports single/multi mode, SC/ST connector, optional. Interface Interface RJ45 Ports: 10/ ... support MDI/MDI-X connection Fiber Ports: 100BaseFX ports (SC/ST connector, optional) Single-mode: 20, 40,60, ...