Thread: Ground Loop?
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  #27  
Old 09-08-2011, 09:49 PM
Hagar (Doug)
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Join Date: Oct 2006
Location: Australia
Posts: 4,646
Quote:
Originally Posted by adman View Post
thanks Doug - when you use the QHY5, do you have the guide cable connected to the gemini, or do you just have a USB cable connected?

Adam
Adam, I have the guide cable connected to the St4 port on the Gemini and the USB cable connected to the laptop.

We did find there can be a lot of timing issues using USB to serial adapters where they didn't report back to the Gemini or laptop with stop bits and effectively just disconnected USB items at random.
At times either the little LED on the Gemini hand controller would just go off while the gemini power led kept running. This was the Gemini disconnected and likewise the qhy5 would do similar.
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