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Dubai Switching: PoE Sizing for Cameras and APs

· 2 min read

If you are wiring a villa or office in Dubai, the switch is usually the thing people underspec. Cameras get added later. A few access points go up. Then the rack is full, the power budget is gone, and the network starts acting odd.

The main question is not just port count. It is PoE budget, uplink speed, and whether the switch can stay cool in a cupboard that already feels like an oven by July.

Start with the loads​

A basic ceiling AP might draw 10 to 15 watts. A simple IP camera is often in the same range, but PTZ units, IR-heavy cameras, and outdoor models can use more. Add a few of them together and the switch budget disappears faster than people expect.

For a small villa:

  • 2 to 4 APs
  • 4 to 8 cameras
  • a door station or intercom
  • maybe one or two spare runs

That is enough to justify a proper PoE+ switch, not a cheap desktop switch with one injector per device.

Leave headroom​

Do not size to the exact number on day one. In Dubai homes, the layout changes. A study becomes a nursery. A garden room gets wired later. A CCTV camera gets moved to catch the side gate.

A good rule is to leave:

  • 25 to 30 percent spare PoE budget
  • 20 to 30 percent spare ports
  • one clean uplink path to the router or core switch

If you are planning higher-end APs, check whether they need PoE+, PoE++, or just standard PoE. Mixing standards without checking is how people end up with underpowered hardware.

Think about the rack too​

A switch doing PoE in a closed rack needs airflow. In a Dubai service cupboard, that matters more than the brochure suggests. A fanless switch looks nice until the room gets warm and the PoE budget starts dropping.

If the rack is small, keep cable dressing simple and make room above the switch. A tidy rack that cannot breathe is still a bad rack.

Practical recommendation​

For most villas, I would rather see:

  • one solid PoE+ switch with spare budget
  • a separate non-PoE switch only if needed
  • all cameras and APs on the same structured cabling plan
  • at least one spare run to key areas

It is cheaper to buy the right switch once than to rebuild the rack after the cameras are already up.