Coherent FTLF8556D1PCV Fiber Optic Transmitters, Receivers, Transceivers 850nm Oxide VCSEL, 50GE, 53.125/25.78 Gb/s transceiver, RoHS compliant, multimode, pluggable SFP+ footprint, 3.3V, LC connector, pull tab, digital diagnostics, -0/70C operation, 100m on OM4 fiber