Traditional Culture Encyclopedia - Photography major - How to connect the power cord of the surveillance camera

How to connect the power cord of the surveillance camera

Your writing is a little messy,

to be short

One end of the camera connected to the transformer-transformer plug is connected to the 220v power supply.

The camera uses AC220v electricity, which is converted into DC 12V electricity through a transformer.

Regardless of the current of the acquisition card.

Where is the power plug of the acquisition card?

That's an audio plug, right?