DHCP Dynamic Host Configuration ProtocolDIP-switch Small switch mounted on a printed circuit boardDI Digital inputDLLB Dead line live busDNP Distributed Network Protocol as per IEEE Std 1815-2012DR Disturbance recorderDRAM Dynamic random access memoryDRH Disturbance report handlerDSP Digital signal processorDTT Direct transfer trip schemeECT Ethernet configuration toolEHV network Extra high voltage networkEIA Electronic Industries AssociationEMC Electromagnetic compatibilityEMF Electromotive forceEMI Electromagnetic interferenceEnFP End fault protectionEPA Enhanced performance architectureESD Electrostatic dischargeF-SMA Type of optical fiber connectorFAN Fault numberFCB Flow control bit; Frame count bitFOX 20 Modular 20 channel telecommunication system forspeech, data and protection signalsFOX 512/515 Access multiplexerFOX 6Plus Compact time-division multiplexer for the transmission ofup to seven duplex channels of digital data over opticalfibersFPN Flexible product namingFTP File Transfer ProtocolFUN Function typeG.703 Electrical and functional description for digital lines usedby local telephone companies. Can be transported overbalanced and unbalanced linesGCM Communication interface module with carrier of GPSreceiver module1MRK 505 393-UEN B Section 23GlossaryLine differential protection RED650 2.2 IEC 439Application manual
