The circuit board is responsible for transfer/receiving Ethernet frames and assembling/un-assembling optical packets by AFL algorithm. Three main chips are used on the circuit board: Intel82545 MAC, PCI9656, and Cyclone II FPGA.

• 以太网收发板开发主要使用了Intel82545 MAC芯片、PCI9656接口芯片以及Cyclone II FPGA。 本板主要负责接收/发送以太网帧、按AFL算法汇聚成/解汇聚光分组。