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Non-Sync video

On a recent production project, I experienced what looked like non-synchronous video on both of my 20x SDI G2 cameras. There were never any signal issues with the Sony camera


Here's the setup...

2 PTZ Cameras

1 Un-staffed Sony PXW-X70 camera 

all connected to a BMD Studio switcher via SDI cable.


100' SDI cable runs from both PTZ cameras

25' Run from the Sony camera

PTZ Control to the PTZ cameras via shielded CAT5 - 100' max cable length


Sometime the PTZ camera signal would blank out, other times it would shift horizontally in the frame.  And then mysteriously reset.


Has anyone else ever experienced a video error like the ones described above?

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