Siemens SIMATIC Panel PC 870 Equipment Manual page 143

Glossary
V
V.24 interface
The V.24 interface is a standard interface for data transmission, and printers,
modems, etc. can be connected to it.
VGA port
(Video Graphics Array) for connecting an external monitor, 15-pin, sub-D
connectors, sockets.
W
Warm restart
By warm restart we mean a restart after a program abort. The operating system is
reloaded and started. A warm restart is performed by pressing the keys CTRL+
ALT+ DEL.
Glossary-6
Panel PC 870 Computing Unit Equipment Manual
Edition 12/01