DARPA
Defense Advanced Research Projects Agency (The US developer of the
TCP/IP protocol etc.)
DBDL
Dead bus dead line
DBLL
Dead bus live line
DC
Direct current
DFC
Data flow control
DFT
Discrete Fourier transform
DHCP
Dynamic Host Configuration Protocol
DIP-switch
Small switch mounted on a printed circuit board
DI
Digital input
DLLB
Dead line live bus
DNP
Distributed Network Protocol as per IEEE/ANSI Std. 1379-2000
DR
Disturbance recorder
DRAM
Dynamic random access memory
DRH
Disturbance report handler
DSP
Digital signal processor
DTT
Direct transfer trip scheme
EHV network
Extra high voltage network
EIA
Electronic Industries Association
EMC
Electromagnetic compatibility
EMF
(Electric Motive Force)
EMI
Electromagnetic interference
EnFP
End fault protection
EPA
Enhanced performance architecture
ESD
Electrostatic discharge
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
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
HDLC protocol
High-level data link control, protocol based on the HDLC standard
HFBR connector type Plastic fiber connector
Section 11
1MRK 514 014-UEN A
Glossary
52
650 series
Installation manual
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