compatible with Serial Interface units for both CC-Link and DeviceNet protocols.Flat ribbon cable kit (10, 20, 26 pin), PC wiring with or without power supply terminal , Vacuum release valve manifold with restrictor, P type kit: Maximum 12 stations available as standard, PG type kit: Maximum 9 stations available as standard, PH type kit: Maximum 4 staitons available as standard, JD and GD