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Topic:
RS-232 Hub for multiple like switchers?
This thread has 3 replies. Displaying all posts.
Post 1 made on Wednesday December 18, 2013 at 10:25
discoboxer
Lurking Member
Joined:
Posts:
December 2013
1
Hello, I am new to the forum and have a very basic understanding of RS-232.

I am looking to control 10 Kramer switcher/scalers VP-443 via RS-232 port.

To make things stupid simple for my client, I am planning to install three mechanical buttons that will switch the 3 necessary inputs on all 10 Kramers at once.

My plan is to go from the mechanical buttons to the three contactors on a Global Cache GC-100-12 device. Output from the GC device via RS-232 to the 10 Kramers.

I have struggled to find a hub of some type that will broadcast my single RS-232 output to all 10 switchers. Any suggestions will be appreciated.

Thanks,
Disco
Post 2 made on Wednesday December 18, 2013 at 15:43
raiders_fan94
Long Time Member
Joined:
Posts:
September 2002
325
I would look up the schematic for a serial cable and wire a one to 10 way splitter. You could just buy a series of 1-to-two way serial splitters, but it will look ugly. It's not hard, but a tad time consuming.
Never underestimate the predictability of stupidity
Post 3 made on Wednesday December 18, 2013 at 19:56
SysIntegration
Advanced Member
Joined:
Posts:
December 2013
895
On December 18, 2013 at 10:25, discoboxer said...
Hello, I am new to the forum and have a very basic understanding of RS-232.

I am looking to control 10 Kramer switcher/scalers VP-443 via RS-232 port.

To make things stupid simple for my client, I am planning to install three mechanical buttons that will switch the 3 necessary inputs on all 10 Kramers at once.

My plan is to go from the mechanical buttons to the three contactors on a Global Cache GC-100-12 device. Output from the GC device via RS-232 to the 10 Kramers.

I have struggled to find a hub of some type that will broadcast my single RS-232 output to all 10 switchers. Any suggestions will be appreciated.

Thanks,
Disco

I just finished a project with the GC-100-12. They only have two RS232 ports. Wouldn't it make more sense and completely uncomplicate any testing issues you have by doing a 1-to-1 232 port to matrix switcher?

What is your UI or control system? It seems easier to just build a macro to fire everything at once than the issues you are going to have to overcome to sling ten of those together. RS232, depending on the device, can be very unforgiving sometimes with a premade cable one to one. I can't imagine the issues you might have splicing ten together.

I'd try it. I wouldn't leave it that way, but I'd splice some wires together to see if it would work. RS232 only needs three wires for communication. Though I wonder how degraded that signal will be by the time it passes through your giant ball of splice.
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Post 4 made on Friday January 17, 2014 at 16:38
DIRTE
Active Member
Joined:
Posts:
February 2005
500
I know this is an older post but 4 XOVP14's would give you 13 available ports.

Connect one XOVP14 to the other three and you have four available ports on those three plus one on the main one connected to the three.

[Link: xantech.com]
"Twenty years from now, you will be more disappointed with the things you didn't do than by the things you did… Explore. Dream. Discover" Mark Twain, 1879


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