Glossary
G-8
www.ni.com
SYSFAIL
A VMEbus signal that is used by a device to indicate an internal failure.
A failed device asserts this line. In VXI, a device that fails also clears its
PASSed bit in its Status register.
T
trigger
either TTL or ECL lines used for intermodule communication
TTL
Transistor-Transistor Logic
V
V
volts
VGA
Video Graphics Array; the minimum video display standard for all PCs
VISA
Virtual Instrument Software Architecture. This is the general name given to
VISA and its associated architecture.
VME
Versa Module Eurocard or IEEE 1014
VXIbus
VMEbus Extensions for Instrumentation