PMC-CIV-COM-ISO USER RECONFIGURABLE ISOLATED COMMUNICATION I/O 20 LVDS, 4 RS-422 AND 1 RS-232 ALTERA FPGA,4MBYTE DUAL-PORTED SRAM,
PMC-SCC04-IO Quad Serial Communication Interface with 64-Byte FiFO Programmable RS-232, RS-422/485 16 Discrete RS-422 I/O Lines