General configuration object at card level (per configuration). NotApplicable=0, for cards that don't support this object. For D8U and D16U cards of DXC, the object will indicate the port on which BERT will be performed. The port can be one of the external ports, any of its associated B1, B2, D ports or no port of the card (None=0). For port indexes see DXC R6 spec. For Gmux-2000, this parameter used for determining the Gigabit ETH exit port