PoC power over coax
What is PoC Technology?
PoC, or Power over Coax (coaxial cabling) technology, utilizes a single coaxial cable to transmit both data and power between front-end cameras and back-end video recorders (DVRs), as opposed to using one cable to send power to a camera and another one to transmit data back to recording units.
What Causes All the Frustration
In conventional analogue systems, electrical engineers must install electrical wiring before cameras can be installed, which requires a lot of time and effort. Separate power lines, electrical sockets, ground wires, and more all add up to a considerable part of a system’s budget.
Power over Coaxial (PoC) basically means that power for both the camera and the back-end DVR runs through the coaxial cable. This removes the need for separate cables, sockets and plugs.
For installers this means a much more time- and cost-efficient installation. For example, in a conventional analogue system, the installer may need electrical engineers to set up wiring for an installation first. But with PoC, they can simply connect camera and DVR equipment directly, so there’s no need for this electrical ‘preparation’ work.
End users, on the other hand, will find the products totally ‘plug and play’, with no configuration for camera access needed and power available straight away.
PoC is also very stable, making it especially useful for regions with voltage instability issues.
“Because we can introduce a UPS system as a backup power supply for the DVR with PoC technology, then when local power goes down, the UPS can power up the PoC DVR, and the PoC DVR can power up the PoC cameras accordingly”, says the Hikvision Product Manager.