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 Std 1815-2012
DR
Disturbance recorder
DRAM
Dynamic random access memory
DRH
Disturbance report handler
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
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
1MRK 500 128-UEN B
Section 9
Glossary
650 series 2.2 IEC
87
Operation manual