Maxlink ML-S31D-3-H3C is a 1.25G SFP module with a 1310nm wavelength, two LC connectors, and a maximum transmission distance of 3km over single-mode optical fiber. The SFP module supports monitoring (DDM).
The LC connectors in the SFP module use UPC polishing.
H3C Compatibility
The modules are compatible with 3Com/HP/H3C A-series switches (A5120/5500/5800/5900/7500/10500 and others), as well as with H3C S-series switches.