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Maker Pro

pin layout of door viewer cam

Appreciate it if anybody can tell me the pin layout of this kind of door viewer cam. It should have 1 video + ground and and 1 prower + ground. I can figure out the video and a ground, but no idea of what are those marked with "?". Please help.
DSC_0178a.gif
 
Hello,
How did you determine the video lead?
There will be two neutral/grounds, one power and one video.

The neutral/ground will be common on the camera board. But will split from the connector to a DC jack and a video RCA connector.

417ELs7odxL._SX425_.jpg

Martin
 
Martin, thank you for reply. My cam also comes with a cable like your. But it seems to be broken. The "Video" and "Gnd" pins in my photo are connected to the yellow end of the cable. That's why I know. But the corresponding pins marked "?" in my photo don't link to any where at the other end of the cable. Obviously one is 12V and other is gnd. But I don't know which is which. Before I connect them at the wrong polarity (which likely will demage the cam) would you please check your cable and let me know? Thanks in advance.
 
Hi,
I don't have this.
You will need to check continuity between the ground and the other pins to be sure.
Or if the cable *is* broken, cut it open at each end.

Martin
 

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