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Section 7
Glossary of Terms
Open-Me-First
The following diagram describes the mapping layers used in software to
turn a system of electronic crosspoints into a logical routing system.
Physical Matrix
Components
Levels of Control
Source and Destination Groups
Hierarchy of PESA Routing Control
Taking Switches
Producing Status
Logical
I/O’s
Physical
I/O’s
User
Crosspoints
The following is an example of a path of a source (VTR 1) to a destination
(VTR 4) through a router. The path is defined for a three level system. The
example shows how logical inputs and outputs are collected to make
sources and destinations.
VTR 1
VTR 4
Video
Audio 1/2
Audio 3/4
Video
Audio 1/2
Audio 3/4
Source VTR 1
consisting of 3
p hysical inputs to the
router (Video, Audio
1 /2, and Aud io 3/4)
Destination VTR 4
consisting of 3
logical outputs from
the router(Video,
Audio 1/2, and
Audio 3/4)
Video Level
of Control
Audio 1/2
Level of Ctl
Audio 3/4
Level of Ctl
Virtual Matrix Mapping Continued:
7.1 Glossary of Terms Continued:
Summary of Contents for Cougar 32X32
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