[SCHKW =  { 2 | n }]   {0...12}

A value between 0 and 12 that represents the maximum for the synchronization points that are not acknowledged. This value is negotiated with the receiver partner.

Size of the send mode acknowledgement anticipation window for synchronization points, expressed as a number of synchronization points not acknowledged. The value is negotiated during the connection phase with the partner RCHKW value. This window is used to send the data before the acknowledgements are received. SCHKW=0 means that synchronization points are not acknowledged.

On LU6.2 networks all non-null values will be forced to 1 during protocol negotiation.


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