Siemens Simatic Industrial PC IPC427C User Manual
Page 153
List of abbreviations
C.1 Abbreviations
SIMATIC IPC427C
Operating Instructions, 04/2009, A5E02414743-01
153
Abbreviation
Term
Meaning
SO-DIMM
Small Outline Dual Inline Memory Module
SOM
SafeCard on Motherboard (SOM)
SPP
Standard Parallel Port
Synonym for parallel port
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
Total Cost of Ownership
TFT
Thin-Film-Transistor
Type of LCD flat-screen
TTY
Tele Type
Asynchronous data transfer
TxD
Transmit Data
Data transfer signal
TWD
Watchdog Time
Watchdog monitoring time
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
VDE
Verein deutscher Elektrotechniker (Union
of German Electrical Engineers)
VGA
Video Graphics Array
Video adapter which meets industrial standard
VRM
Voltage Regulator Module
VT
Virtualization Technology
Intel technology with which a virtually closed
environment can be made available.
W2k
Windows 2000
WAV
Wave Length Encoding
Loss-free file format for audio data
WD
Watchdog
Program monitoring with error detection and
alarming.
WLAN
Wireless LAN
LWireless local area network
WoL
Wake on Local Area Network
WWW
World Wide Web
XGA
Extended Graphics Array
Graphic standard, maximum resolution 1024x768
pixels.