• Samtec SEAF series, 1.27 mm (0.050 in) pitch. Mates with SEAM series connector. For more information about SEAF series connectors, see the Samtec website [Ref 23] . For more information about the VITA 57.4 FMC+ specification, see the VITA FMC Marketing Alliance website [Ref 24] .
• The 560-pin FMC+ connector defined by the FMC specification (see VITA 57.4 FMCP Connector Pinouts ) provides connectivity for up to:
° 160 single-ended or 80 differential user-defined signals
° 24 transceiver differential pairs
° 6 transceiver differential clocks
° 4 differential clocks
° 239 ground and 19 power connections