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Unusual KVM configuration required

Posted on 2013-11-27
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Last Modified: 2013-12-07
Have a client with an unusual configuration that needs KVM hardware.
There are two side by side offices with a manager in each office. There are two workstations located in office A that switches between the two workstations. The second manager in Office B requires access to both the workstations. Both workstations are control PCs that contain SCADA software that control machines in the Sawmill.

They would never both need access to the same machine at the same time but would like to be able to toggle via a single KVM between the 2 workstations from either workstation.  When the Office A Manager is on PC1 then the screen,mouse,kb in office B would set to PC2  and visa-versa.  

I've thought of just doing it with remote software  from one to the other but then the other manager would not have access to the PC not being watched from the office.

Any Ideas
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Question by:Don Thomson
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4 Comments
 
LVL 26

Expert Comment

by:Fred Marshall
ID: 39681945
I would probably use Kavoom! KVM.

I'm using both Kavoom! KVM and Kavoom! KM at the same time.
There are 3 computers in this case.
One is headless so I use KVM into one of the other 2.
It could as easily be set up to be into both of the other 2.

Then I use KM to control those "2" with their monitors side-by-side.

It's very flexible and doesn't prevent someone from using the computer at the same time.

The only annoying thing is if one tries to remote in separately (like with GoToAssist) AND the Kavoom focus is on another computer.  That tends to disable the mouse and keyboard from the remote access.  The solution for this is simple: either have the focus where you need it or turn off Kavoom! locally.  Or, be able to remote into either computer so you can get the one with the focus and then disable it yourself remotely in real time.

I like it better than Remote Desktop and a bit better than UltraVNC
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Author Comment

by:Don Thomson
ID: 39685783
I'm looking for a single switch solution. I know I could do it with 2 separate KVMs but the problem with that is you could short out the Monitor if both VGA ports were tied into the same monitor.

I'm looking for an AB switch that toggles both PC's at the same time to the two sets of controls/Monitor.

So if I am on Switch position A  then PC 1 is connected to the kb/Mouse.Mon Set "A" and PC 2 is connected to the KB/Mouse/Mon set "B"   _ When I flip the switch then PC 1 gos to KB/Mouse/Mon set "B" and PC 2 goes to "A"
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Accepted Solution

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Fred Marshall earned 500 total points
ID: 39696563
I asked this question of Kavoom! KVM:

Imagine that there are 2 or more operator computers and 2 or more headless “slave” computers.
Imagine that Kavoom! KVM is installed on all the computers and the operator computers have KVM access to all the slave computers (and, presumably, not to one another).

[I believe this describes your application.  So then I asked:]
 
1)      Is this possible?  Does it mean multiple instances of KVM on the slave computers .. one for each operator computer?
2)      Assuming that it’s possible, what happens when more than one operator switches to the SAME slave computer?  Is it first-come, first-served?  Is control shared?  If it’s shared, how does one know that it’s being shared?

They responded:

"Yes, that's fine. Just install KaVoom KVM once on each computer.
It will give you a message if someone else is using the computer."
[The latter item is a configuration choice].

I've attached a screen shot of the control box - in this case it shows the operator's computer and one slave computer.   The control box can be hidden by double clicking the System Tray icon.
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Author Closing Comment

by:Don Thomson
ID: 39703200
The Software solution looks like it will work based on the info you provided. This makes a lot more sense then a Hardware solution
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