Important Notes • 7Important Comments for Starting upWAGO-I/O-SYSTEM 750ETHERNET TCP/IP1.8 Important Comments for Starting upAttentionFor the start-up of the coupler 750-341 important notes are to be considered,because it strongly differentiates in some points of starting up the WAGOETHERNET coupler 750-342.Read for this the chapter: “Starting up EHTERNET TCP/IP fieldbus nodes“.1.9 AbbreviationAI Analog InputAO Analog OutputDI Digital InputDO Digital OutputI/O Input/OutputID Identifier