NonStop System Glossary

SWAN 2 concentrator
See ServerNet wide area network (SWAN) 2 concentrator.
SWAN manager task (SMT)
A manager task that is provided as part of the wide area network (WAN) subsystem. The SMT
runs in each communications line interface processor (CLIP) and provides a variety of management
functions such as coordinating data link control (DLC) and diagnostic task downloads.
SWID
The software identification tool invoked by the system generation program that audits file
identification information about your software.
switch
See HP NonStop Cluster Switch (model 6770) and HP NonStop ServerNet Switch (model 6780).
switch enclosure
See cluster switch enclosure.
switch group
See cluster switch group.
switch layer
See cluster switch layer.
switch layer number
See cluster switch layer number.
switch logic board
See cluster switch logic board.
switch mode power supply
A computer power supply that uses a pulse-width modulation switching inverter and nonlinear
current draw characteristics. Switch-mode power supplies are widely used because of their small
size and efficiency.
switch rack
See cluster switch rack.
switch zone
See cluster switch zone.
switched connect
Connection to the Enterprise Storage System (ESS) through a Fibre Channel switch (FC switch).
symbol
1. The symbolic name of a value, typically a function entry point or a data location. In the context
of loadable libraries, symbols are defined in loadfiles and referenced in the same or other loadfiles.
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