mmm invalid data bb...bb was received from remote station. (aa...aa,cc...cc)

mmm: MCF identifier or NET identifier

aa...aa: Association name (connection name of the MCF communication configuration definition (mcftalccn) or NET communication configuration definition (nettalccn))

bb...bb: Abbreviation of receive data

U_INVALID: Invalid UPDU

U_UNSUPPORTED: Unsupported UPDU

UERR: UERR UPDU

cc...cc: UA number (UA number of the MCF communication configuration definition (mcftalcua) or NET communication configuration definition (nettalcua))

S: Sends an error message to the remote station, and closes this UA or releases the association.

O: Contact the maintenance personnel.