90 GE INFORMATION G500 SUBSTATION GATEWAY INSTRUCTION MANUAL
APPENDIX D: LIST OF ACRONYMS
IRIG-B IRIG time code B (bit rate of 100 pulses-per-second with a bit time of 10
milliseconds over 1 second time frame)
I2C two wire communication bus
I/O Input / Output
IMR Installation and Maintenance Requirements
IR Interrupt Request
LAN Local Area Network
LED Light Emitting Diode
LV Low Voltage
m meter
ms Milliseconds
MFG Manufacturer
MLC Multi-level cell
MMF Multi-Mode Fiber
MTBF Mean Time between Failure
MUX Multiplexer
M.2 a standardized module format for plug in cards, storage or interface
NVSRAM Non-Volatile Static Random-Access Memory
OEM Original Equipment Manufacturer
OLED Organic Light Emitting Diode
P-state Performance states of CPU
PCI Peripheral Component Interconnect
PCIe Peripheral Component Interconnect Express
POST Power-On Self-Test
PSU Power Supply Unit
PTP Precision Time Protocol
PRP Parallel Redundancy Protocol
RAM Random Access Memory
ROM Read Only Memory
RMA Return Material Authorization
RoHS Restriction of hazardous substances directive
RTC Real-Time Clock
SATA Serial Advanced Technology Attachment, a storage interface
SD Secure Digital, a storage device format
SFP Small Form Factor, a standardized plug in module for network interfaces
S/N Serial Number
SPI Serial Peripheral Interface
SSD Solid State Disk
STD Standard
UART Universal Asynchronous Receiver Transmitter
UEFI Universal Extensible Firmware Interface
USB Universal Serial Bus, a peripheral bus
VA Volt Ampere, Power
VGA Video Graphics Array
8P8C Connector with eight Positions eight contacts, also known as RJ-45
Acronym Definition