The board on the left was designed by Elik-tronics ALLOT Communication.
It consists of 2x10Gb XFP interfaces , 2 x SerDeses (Vitesse) interfaces with 2x MACs
(Vitesse) with XAUI protocol.
The MAC’s output is 2x SPI4.2 interfaces to connectors.
Elik-tronics also designed the CPLD (MaxII)m which controls all the peripherals.