Siemens SIMATIC IPC647D Operating Instructions Manual page 213

Track-At-Once
In track-at-once recording, a CD can be written to in bits in several sessions if the CD was
not closed.
Troubleshooting
Error cause, cause analysis, remedy
Trusted Execution Technology
Hardware implementation that allows secured execution of programs and applications. It is
only effective when all relevant system components, such as processors, operating systems
and applications are supported.
Turbo Mode
In this mode individual processor cores can be clocked higher in accordance with the load
from the user programs and as required. It is only supported by Core i5 and Core i7
processors.
V.24 interface
V.24 is a standardized interface for data transfer. Printers, modems, and other hardware
modules can be connected to a V.24 interface.
Wake on LAN (WoL)
Wake on Local area network. This function allows the PC to be started via the LAN interface.
Warm restart
The restart of a computer after a program was aborted. The operating system is loaded and
restarted again. The CTRL+ ALT+ DEL hotkey can be used to initiate a warm restart.
WLAN
Wireless LAN is a local network that transmits data via radio waves, infrared light or another
wireless technology. Wireless LAN is mainly used for mobile computer applications in office
or factory environments.
ZMM
Zero Maintenance Cache Protection Module is a functional unit of the SAS Raid controller
that stores the data in the cache of the controller in the case of a voltage failure. This
functional unit is maintenance-free.
SIMATIC IPC647D
Operating Instructions, 01/2014, A5E32996306-AA
Glossary
213