Section 9 Glossary
100BASE-FX A physical medium defined in the IEEE 802.3 Ethernet
standard for local area networks (LANs) that uses fiber
optic cabling
100BASE-TX A physical medium defined in the IEEE 802.3 Ethernet
standard for local area networks (LANs) that uses
twisted-pair cabling category 5 or higher with RJ-45
connectors
AC
Alternating current
ACT 1. Application Configuration tool in PCM600
2. Trip status in IEC 61850
ANSI American National Standards Institute
CAT 5 A twisted pair cable type designed for high signal
integrity
COMTRADE Common format for transient data exchange for power
systems. Defined by the IEEE Standard.
CPU Central processing unit
CSV Comma-separated values
CT Current transformer
DAN Doubly attached node
DC 1. Direct current
2. Disconnector
3. Double command
DHCP
Dynamic Host Configuration Protocol
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.
DPC
Double-point control
DST Daylight-saving time
EEPROM Electrically erasable programmable read-only memory
EMC Electromagnetic compatibility
Ethernet A standard for connecting a family of frame-based
computer networking technologies into a LAN
FB Function block
1MRS758754 B Section 9
Glossary
REC615 and RER615 135
Operation Manual