DSP Digital signal processor
DTT Direct transfer trip scheme
ECT Ethernet configuration tool
EHV network Extra high voltage network
EIA Electronic Industries Association
EMC Electromagnetic compatibility
EMF Electromotive force
EMI Electromagnetic interference
EnFP End fault protection
EPA Enhanced performance architecture
ESD Electrostatic discharge
F-SMA Type of optical fiber connector
FAN Fault number
FIPS Federal Information Processing Standards
FCB Flow control bit; Frame count bit
FOX 20 Modular 20 channel telecommunication system for speech, data and protection
signals
FOX 512/515 Access multiplexer
FOX 6Plus Compact time-division multiplexer for the transmission of up to seven duplex
channels of digital data over optical fibers
FPN Flexible product naming
FTP File Transfer Protocol
FUN Function type
G.703 Electrical and functional description for digital lines used by local telephone
companies. Can be transported over balanced and unbalanced lines
GCM Communication interface module with carrier of GPS receiver module
GDE Graphical display editor within PCM600
GI General interrogation command
GIS Gas-insulated switchgear
GOOSE Generic object-oriented substation event
GPS Global positioning system
GSAL Generic security application
GSE Generic substation event
HDLC protocol High-level data link control, protocol based on the HDLC standard
HFBR connector type Plastic fiber connector
HLV circuit Hazardous Live Voltage according to IEC60255-27
HMI Human-machine interface
HSAR High speed autoreclosing
1MRK 504 165-UUS Rev. J Section 16
Glossary
Transformer protection RET670 317
Commissioning manual
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