IEC 61375-2-3:2015/COR1:2015 1 IEC 2015 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ IEC 61375-2-3 Edition 1.0 2015-07 Electronic railway equipment Train communication network(TCN)Part 2-3:TCN communication profile C O R R I G E N D U M 1 Replace the existing Table A.1 with the following new Table A.1.Table A.1 UDP/TCP port assignments Protocol Destination Port Process Data 17224 Message Data(UDP)17225 Message Data(TCP)17225 IEC 61375-2-3:2015-07/COR1:2015-12(en)