Finisar's FTLC3322x3NL CFP2 Analog Coherent Optics (ACO) transceiver module is designed to support high density line card applications with the coherent Digital Signal Processor (DSP) on the host board.
https://www.gbic-shop.de/de/produkte/transceiver/sfpplus/kompatibel-5/10gbase-sr/netgear-axm761-detail.html When optical transceiver was first expanded, establishing the performance of it was outspoken.Today, most optical networks use components that may come from different suppliers.