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Professional Video Distribution Switch Crestron CNX-PVID8x3
16 • Professional Video Distribution Switch: CNX-PVID8x3 Operations Guide - DOC. 8159A
and 3 are connected via the cable assembly). Refer to the table after this paragraph
for a tabulation of the relationship between input levels and video formats.
Relationship of Video Formats to Input Levels
LEVEL \ VIDEO FORMAT
COMPONENT
(connects to
three levels)
S-VIDEO
(connects to
two levels)
COMPOSITE
(connects to
one level*)
3
P
r
not connected not connected*
2
P
b
C not connected
1
YYCOMP
* Composite sources can physically connect to level 3 when boards 1 & 3 are connected via the cable assembly.
Depending on how the internal boards are cabled/jumpered, the unit can be used in
different configurations (each is discussed in the following subsections). Refer to the
flowchart below to determine which configuration to use (based on the source types
in the system).
NOTE: Crestron recommends the out-of-the-box configuration, because it allows
for the distribution of a large number of sources with the greatest flexibility and there
is no need to open the unit. The other configurations permit a greater number of
sources, but are not as flexible. The other configurations also require cabling of
boards and possibly the removal of jumpers.
Flowchart: Determine the Configuration
Determine the configuration based
on the sources in the system.
Are there more
than 16 sources in
the system?
Are there
component
sources
in the
system?
Are there 16 or
fewer S-video
sources in the
system?
Are there 16 or
fewer composite
sources in the
system?
Use the out-of-
the-box
configuration.
Consider adding
another
CNX-PVID8x3
to the system.
Consider adding
another
CNX-PVID8x3
to the system.
Are there
eight or fewer
component
sources in the
system?
Are there
eight or fewer
S-video
sources in the
system?
Consider adding
another
CNX-PVID8x3
to the system.
Are there
eight or fewer
composite
sources in the
system?
Is
the number
of component and
S-video sources in
the system
less than
16?
Use the limited
quantity of any-
type configuration.
Consider adding
another
CNX-PVID8x3
to the system.
Consider adding
another
CNX-PVID8x3
to the system.
Use the
composite/S-video
only configuration.
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes Yes
Yes
No
No
No No
No
No
No
No
No
Is
the number
of component, S-
video, and composite
sources in the system
less than 24?
Is
the number
of S-video and
composite sources in
the system
less than
32?