Contents Foreword 1 Scope 2 Normative References 3 Terms 4 Basic Requirements for Data Transmission 5 Physical Layer 6 Data-link Layer 7 Data Security 8 Application Layer Annex A (Normative) Composition and Requirements of AMR Annex B (Informative) M-BUS Interface Annex C (Informative) RS-485 Standard Serial Electrical Interface Annex D (Informative) Wireless Transmit-receive Interfaces Annex E (Informative) |