The SFP+ Transceiver uses an electronic to optical converter to translate the signals
A SFP+ Transceiver is a combination of transmitter and receiver for the transfer of optical signals. The SFP+ Transceiver uses an electronic to optical converter to translate the signals within the SFP+ Transceiver.
For the transmission, the SFP+ Transceiver uses LEDs or lasers. The reception of the SFP+ Transceiver signals takes place via a PIN or an APD detector.