ABB RELION 620 Series Technical Manual page 927

1MAC504801-IB E
Section 18
620 series ANSI
Technical Manual
Glossary
100BASE-FX
100BASE-TX
AC
ACT
ANSI
AR
AVR
CAT 5
CAT 5e
CB
CBB
COMTRADE
CPU
CRC
CT
CTS
DAN
DC
DFR
DFT
A physical medium defined in the IEEE 802.3 Ethernet
standard for local area networks (LANs) that uses fiber
optic cabling
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
Alternating current
1. Application Configuration tool in PCM600
2. Trip status in IEC 61850
American National Standards Institute
Autoreclosing
Automatic voltage regulator
A twisted pair cable type designed for high signal integrity
An enhanced version of CAT 5 that adds specifications for
far end crosstalk
Circuit breaker
Cycle building block
Common format for transient data exchange for power
systems. Defined by the IEEE Standard.
Central processing unit
Cyclical redundancy check
Current transformer
Clear to send
Doubly attached node
1. Direct current
2. Disconnector
3. Double command
Digital fault recorder
Discrete Fourier transform
Section 18
Glossary
921