Pinout of 4-pin XLR connector used for 12V power
The 4 pin male XLR connector is found on nearly all professional location video equipment. It is used for an external 12 volt DC input. Pinout:
pin 1 = negative pin 4 = positiveNo connections are made to either pin 2 or 3.
NOTE: Check and double check that the wiring is correct to your equipment before connecting this to any expensive video gear. Mistakes can be costly to you.