boyblue Posted September 10, 2007 Share Posted September 10, 2007 I'm reconnecting BNC connectors to my cameras. There is no marking indicating polarity. Does it matter? If so, how would I determine polarity? Link to comment Share on other sites More sharing options...
Shez Posted September 10, 2007 Share Posted September 10, 2007 Yes it does matter. If you connect the signal centre pin to the ground, you won't get a picture...Try checking for continuity between each output & PSU ground - that may indicate which is the ground output. Link to comment Share on other sites More sharing options...
boyblue Posted September 10, 2007 Author Share Posted September 10, 2007 Yes it does matter. If you connect the signal centre pin to the ground, you won't get a picture...Try checking for continuity between each output & PSU ground - that may indicate which is the ground output. Simple, but brilliant. Why didn't I think about that? Link to comment Share on other sites More sharing options...
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