
FOC said its coherent transceiver has the same interface as the CFP2 MSA transceiver which is commonly used in 100G Ethernet applications and conforms to the OIF CFP2 ACO Class 1/Class 2 standards. The transceiver is compliant with the Class 2 standard and supports 16QAM transmission by using a linear modulator driver.
http://www.fujitsu.com/jp/group/foc/en/resources/news/press-releases/2016/20160317.html