Siemens SIMATIC IPC277D

List of abbreviations
SIMATIC IPC277D
Operating Instructions, 12/2016, A5E03409486-AE
169
PXE
Preboot
Execution Environment
Software for running new PCs without
hard disk data via the network
RAID
Redundant Array of Independent Disks
Redundant hard disk array
RAL
Restricted Access Location
RAM
Random Access Memory
RI
Ring Input
Incoming call
ROM
Read-Only Memory
RS 485
Reconciliation Sublayer 485
Bidirectional bus system
RTC
Real Time Clock
Real-time clock
RTS
Reliable Transfer Service
Request to send
RxD
Receive Data
Data transfer signal
SATA
Serial Advanced Technology Attachment
SELV
Safety Extra Low Voltage
Safety extra low voltage
SMART
Self Monitoring Analysis and Reporting
Technology
Hard disk error diagnostics program
SRAM
Static Random Access Memory
Static RAM
SSD
Solid State Drive
TFT
Thin-Film-Transistor
TxD
Transmit Data
Data transfer signal
UEFI
Unified Extensible Firmware Interface
UL
Underwriters Laboratories Inc.
US organization for testing and certif
i-
cation according to national or b
i-
national standards.
USB
Universal Serial Bus
VDE
Verein deutscher Elektrotechniker (Union of
German Electrical Engineers)
VT
Virtualization Technology
Intel technology which makes avail
a-
ble a virtual, closed environment.
VT
-D
Virtualization Technology for Directed I/O
Enables the direct assignment of a
device (e.g.
network adapter) to a
virtual device.
WD
Watchdog
Program monitoring with error dete
c-
tion and alarming.