IEC-61375-1 Complete Document History
Electronic railway equipment - Train communication network (TCN) - Part 1: General architecture

Complete Current Edition:
   3RD EDITION - Part 1: General architecture - June 21, 2012

Obsolete Revision Information:
   2ND EDITION - PART 1: TRAIN COMMUNICATION NETWORK, ELECTRIC RAILWAY EQUIPM - April 1, 2007
   1999 EDITION - PART 1: TRAIN COMMUNICATION NE - Sept. 1, 1999