> # FC Interfaces Capability

> Field | Description
> --- | ---
> FC-PH Version | The lowest/highest or earliest/latest version of FC-PH that the FxPort is capable of supporting.
> RxDataSize | The largest Data_Field Size (in octets) for an FT_1 frame that can be received by the FxPort.
> HoldTime | The maximum/minimum time (in microseconds) that the FxPort shall hold a frame before discarding the frame if it is unable to deliver the frame. The value 0 means that the FxPort does not support this parameter.
> Cos | A value indicating the set of Classes of Service supported by the FxPort.
> SeqDeliv | A flag indicating whether or not Class 2 Sequential Delivery is supported by the FxPort.
> RxBBCredit | The maximum/minimum number of receive buffers available for holding Class 1 connect-request, Class 2, or Class 3 frames from the attached NxPort.

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