RS-232/485/422 serial port carry transparent optic fiber modem of transmission to get end to user, single-mode, 20-120Km, 9V-36VDC, SC, FC or ST, optional
RS-232 serial port carry transparent optic fiber modem of transmission to get end to user, 2Km 5VDC, SC, FC or SToptional, Standalone or insert the Rack
RS485/422 serial port carry transparent optic fiber modem of transmission to get end to user, RS485/422 to optic fiber, multi-mode, 5VDC, SC, FC or ST optional, standalone or insert the Rack
RS-232 serial port carry transparent optic fiber modem of transmission to get end to user,up to 120Km 5VDC, SC, FC or ST optional, Standalone or insert the Rack
RS485/422 serial port carry transparent optic fiber modem of transmission to get end to user,up to 120Km 5VDC, SC, FC or ST optional, single-mode, standalone or insert the Rack