FTB-500 Disc
If the need is for transport testing at all rates up to 10 Gbit/s, then the FTB-810G is the perfect solution.
For use with ST, SC and FC connectors.
Fiber Optic Transceiver Module Ethernet 2.67Gbps 1550nm 3.1V – 3.5V LC Duplex Pluggable, SFP