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7.1 Glossary of Terms Continued:
Default Status
Default status corresponds to the source name that last specified the
switch made to a destination on a level of control. If an input is shared
between sources and that input is switched to an output, the output shows
the status of the source that last specified the switch.
Destination
A named item (constructed using categories and indices) that corresponds
to an actual device whose video, audio, and control signals are input from
the routing matrix. A destination consists of a name, number, and a
maximum of one logical output on any defined level of control.
Destinations are not allowed to share logical outputs i.e. logical outputs
may be assigned to only one destination. (A destination may be
configured such that there may not be an output specified for a level of
control.)
Destination Numbers
A mapping of reentries and destinations to numbers so that each item can
be referenced using numbers in CPU link operation. As each reentry and
destination has a name, it also has a number representation. (Since
reentries are both sources and destinations, they have source number as
well.)
Diagonal
A diagnostic procedure that causes a series physical inputs to be taken to
a series of physical outputs on a specified matrix component. The
sequence of switches causes the first specified input to be taken to the
first specified output, The next input to be taken to the next output, etc.. (A
basic diagonal takes input 1 to output 1, input 2 to output 2, etc.)
Follow Switching
Switching in which a single source is specified to a single destination for
all levels of control (e.g. Source VTR 1 to Destination EDIT A on video,
audio, and timecode levels of control.) This is the most common manner
in which switches are taken on a router.
07/96
P/N 81905903820
Glossary of Terms
Section 7
page 7.3
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