IRF 1. Internal fault
2. Internal relay fault
LAN Local area network
LCD Liquid crystal display
LED Light-emitting diode
LHMI Local human-machine interface
Modbus RTU Link mode using 8-bit binary characters
MTP Media transfer protocol
NCC Network control center
PC 1. Personal computer
2. Polycarbonate
PCM600 Protection and Control IED Manager
R/L Remote/Local
RAM Random access memory
RJ-45 Galvanic connector type
RoHS Restriction of hazardous substances
RS-232 Serial interface standard
RS-485 Serial link according to EIA standard RS485
SI Sensor input
SNTP Simple Network Time Protocol
STP Shielded twisted-pair
Subnet mask A set of four numbers used to create IP address numbers
that are used only within a particular network, subnet
SW Software
TCP Transmission Control Protocol
UART Universal asynchronous receiver-transmitter
UDP User datagram protocol
USB Universal serial bus
UTC Coordinated universal time
VT Voltage transformer
WAN Wide area network
Section 9 2NGA000823 A
Glossary
88 REX610
Operation Manual