OC-48 IR-1/STM S-16.1 SFP Multi-Rate Transceiver
https://www.epsglobal.com/Media-Library/EPSGlobal/Products/files/finisar/transceivers/FTLF1421P1xCL.jpg?ext=.jpg&maxsidesize=400
1310nm DFB, PIN, OC-48 IR-1, GigE, 1x/2x FC, 2.67 Gb/s multi-rate transceiver, RoHS compliant, single mode, pluggable SFP footprint, 3.3V, LC connector, digital diagnostics, -10/70°C operation, 15km
FTLF1421P1BCL
FTLF1421P1BCL
Coherent
https://www.epsglobal.com/getmetafile/94cfad1c-656d-435e-8625-94600a97706c/Coherent