LC Connector type for glass fiber cable, IEC 61754-20
LCT Life cycle traceability
LE Light Edition
LED Light-emitting diode
LOG Loss of grid
LV Low voltage
MAC Media access control
MM
1. Multimode
2. Multimode optical fiber
MMS
1. Manufacturing message specification
2. Metering management system
MV Medium voltage
NCC Network control center
NRP Negative reactance principle
PC
1. Personal computer
2. Polycarbonate
PCM600 Protection and Control IED Manager
PO Power output
PRP Parallel redundancy protocol
PTP Precision Time Protocol
RAM Random access memory
RCA Also known as MTA or base angle. Characteristic angle.
RJ-45 Galvanic connector type
RMS Root-mean-square (value)
RoHS Restriction of hazardous substances
Rx Receive/Received
SAN Single attached node
SCL XML-based substation description configuration language defined by IEC
61850
Single-line dia-
gram
Simplified notation for representing a three-phase power system. Instead
of representing each of three phases with a separate line or terminal, only
one conductor is represented.
SLD Single-line diagram
SMT Signal Matrix tool in PCM600
SMV Sampled measured values
SOTF Switch onto fault
ST Connector type for glass fiber cable
STP Shielded twisted-pair
SW Software
TCP Transmission Control Protocol
TCP/IP Transmission Control Protocol/Internet Protocol
TLS Transport layer security
TP Disturbance data recorded with or without trip bit
Glossary 1MRS758850 D
68 SSC600
Operation Manual
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