FOREWORD
INTERODUCTION
1 Scope
2 Normative references
3 Terms, definitions and abbreviations
4 physical properties
5 character transmssion
6 Data transmission
Annex A (normative) - flow chart for direct
local data exchange protocol,
protocol mode C
Annex B (normative) - Wake-up methods for
battery-operated tariff devices
Annex C (informative) - Formatted codes
Annex D (informative) - Levels of access -
system security
Annex E (normative) - METERING HDLC protocol
using protocol mode E for direct local
data exchange
Bibliography