The FiberHTT HSFP3128-LR SFP28 25G LR Duplex 1310nm 10km transceiver is designed to transmit and receive optical data over single mode optical fiber for link length up to 10km.

The module optical connection is duplex LC and shall be compatible with SFP+ 28Gbps and backward compatible with legacy 10G SFP+ pluggable. The SFP28 LR module is a dual directional device with a transmitter and receiver plus a control management interface (2-wire interface) in the same physical package. 2-wire interface is used for serial ID, digital diagnostics and module control function.