power budget

Hello Community, I purchased second-hand following Axis cameras: P5414-E P5624-E P5532 Unfortunately none of the above is working when powered with PoE. As a PoE+ Switch I tested with: TP-Link TL-SG1005P Netgear GS308PP I was never able to obtain an Ethernet link. So I suspect the problem...

I currently use an unmanaged 8-port PoE switch (4 powered, 4 un-powered) as part of my network. It was a real plug and play set-up and has been completely reliable without any intervention. But now I'm looking to add cameras and devices and need more ports. There's definitely a point where...