FMC I/O Modules Sort by NewestSort by NameFMC (2) LFMC-TTL – TTL FMCLFMC-TTL is an HPC FMC module with 64 TTL/LVTTL input output support on high density SCSI-68 VHDCI connector LFMC-422 – RS422 FMCLFMC-RS422 is an HPC FMC module with RS422 input output support on high density SCSI-68 VHDCI connector