Siemens Simatic IPC647C Operating Instructions Manual page 240

Glossary
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.
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Operating Instructions, 12/2010, A5E02669337-02
SIMATIC IPC647C