Siemens SIMATIC IPC847D - Page 203

Abbreviations
SIMATIC IPC847D
Operating Instructions, 01/2014, A5E32997454-AA
203
Abbreviation
Term
Meaning
RxD
Receive Data
Data transfer signal
SAS
Serial attached SCSI
SATA
Serial Advanced Technology Attachment
SCSI
Small Computer System Interface
SDRAM
Synchronous DRAM
SELV
Safety Extra Low Voltage
Safety extra low voltage
SLC
Second Level Cache
single-level cell Memory cells in which only one bit per cell is
saved
SMART
Self Monitoring Analysis and Reporting Technology
Hard disk error diagnostics program
SMS
Short Message Service
Short message via telecommunication network
SNMP
Simple Network Management Protocol
Network protocol
SO-DIMM
Small Outline Dual Inline Memory Module
SOL
Serial over LAN
Text-based remote control
SOM
SafeCard on Motherboard (SOM)
SPP Standard Parallel Port Synonym for parallel port
SRAM
Static Random Access Memory
Static RAM
SSD
Solid State Drive
SVGA
Super Video Graphics Array
Enhanced VGA standard with at least 256 colors
SVP
Serial number of the device
SW
Software
TCO
T
otal
C
ost of
O
wnership
TFT
Thin-Film-Transistor
Type of LCD flat-screen
TTY
Tele Type
Asynchronous data transfer
TxD
Transmit Data
Data transfer signal
TXT
Trusted Execution Technology
Hardware implementation
TWD
Watchdog Time
Watchdog monitoring time
UEFI
Unified Extensible Firmware Interface
UL Underwriters Laboratories Inc. US organization for tests and certifications
according to own or binational standards (with
CSA / Canada) standards.
UMA
Unified Memory Architecture
Video memory
URL Uniform Resource Locator Designation of the full address of an Internet
page
USB
Universal Serial Bus
UXGA Ultra Extended Graphics Array Graphic standard, maximum resolution
1600x1200 pixels.
V.24 ITU-T standardized recommendation for data
transfer via serial ports.
VCC Positive supply voltage of integrated circuits
VDE Verein deutscher Elektrotechniker (Union of German
Electrical Engineers)
VGA
Video Graphics Array
Video adapter which meets industrial standard
VRM
Voltage Regulator Module