https://www.tews.com/products/fmc/tfmc685/
TFMC685 | 16 Differential I/O and 32 Digital I/O FPGA Mezzanine Card | TEWS Technologies GmbH
FMC Module complying with the ANSI/VITA 57.1 16 bit M-LVDS I/O Interface 16 bit RS-485/RS-422 I/O Interface Four 8 bit wide Digital I/O Interfaces 20...