Does This Switch Comply With 802.3 POE?

Here's the deal, look at most any reference pinout for POE 802.3af and you'll find something like this:

Notice how it says positive is on pins 1 and 2 for mode A?

But running this simple setup:

Notice the negative sign on the reading, even though pin 1 is connected to the positive.

Here are the close-ups:

Cables are both straight-thru patch.

Have used other cameras, switches, meters and cables with same result.

Also, when testing mode b, everything works as expected:

easy enough to replicate.

Any ideas if I'm interpreting the diagram wrong or doing the test wrong?

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