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Posted by Richard Crowley on 10/24/06 17:52
"Mike Kujbida" wrote ...
> Richard, I've read the discussions on RAMPS and am seriously looking
> into using Cat5 for this purpose.
> Your statement about tally and intercom piqued my curiosity though.
> Can you expand on that a bit? Model #s and so on? Thanks.
> Hmm. I wonder if this could would with my existing Camplex system?
The four pairs inside the Cat5 cable are just raw material with
which you can do whatever you wish.
You could just use a big red LED (or whatever) connected to
one pair as a tally light. I have modified both Panny WJ-AVE5
(2-input) and Videonics MX-1 (4-input) switchers with tally
light outputs.
You could use the other "spare" pair as intercom, but it would
depend on what kind of intercom system you were using how
to connect it. For example, the intercom used in Sony CCUs/
cameras is based on a balanced, ~line-level system.
I'v been thinking about a couple of products based on Cat5:
a) Intercom system like "Clearcom", etc. but based on balanced,
twisted pair cabling like Cat5 (rather than shielded mic pair)
b) Camera cable replacement (between CCU and industrial
camera). There is one product out there already that uses
two Cat5 cables (8 total pair). But I'd like to make something
more affordable. Maybe even duplicate the CCU functionality
for some of the more popular models (Sony CCU-M3, etc.)
How about this?:
A small box that you can put on the side of your consumer
camera/camcorder where you could plug in the video (either
composite or Y/C), with a big red tally light, and an intercom
system. Then a bog-standard Cat5 cable plugs into it and
goes however-many 100s of feet back to the control room
where there is a similar box to terminate the Cat5 cable.
Patent Pending :-)
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