1MAC306892-MB C Section 5
Glossary
RER620 31
Communication Protocol Manual
Section 5 Glossary
ANSI American National Standards Institute
ASDU Application-layer service data unit
DNP3 A distributed network protocol originally developed by Westronic. 
The DNP3 Users Group has the ownership of the protocol and 
assumes responsibility for its evolution.
DTE Data terminal equipment
EMC Electromagnetic compatibility
EPA Enhanced performance architecture
Ethernet A standard for connecting a family of frame-based computer 
networking technologies into a LAN
HMI Human-machine interface
IEC 60870-5 IEC standard for telecontrol equipment and systems. Part 5 
defines transmission protocols.
IEC 60870-5-101  Companion standard for basic telecontrol tasks 
IEC 60870-5-104 Network access for IEC 60870-5-101
IEC 61850 International standard for substation communication and 
modeling
LHMI Local human-machine interface 
PCM600 Protection and Control protective relay Manager
SCADA Supervision, control and data acquisition