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Home How to use Power over Ethernet (PoE) with a GigE camera?

How to use Power over Ethernet (PoE) with a GigE camera?

How to use Power over Ethernet (PoE) with a GigE camera?
This article will explain 4 different ways to power a GigE camera. It contains powering the industrial camera via a PoE Switch, PoE Injector, GigE Power adapter and via an external power source.

How to use Power over Ethernet with a PoE switch and a GigE PoE industrial Camera?

A Power over Ethernet switch transmits power and data via a CAT6 network cable. This means that if your machine vision application has a GigE industrial camera with PoE, you do not need an extra external power supply. The maximum length of the CAT6 network cable is 100 meters. This is not due to power limitation, but data transmission limitations. The example below shows how to transmit data and power between a GigE industrial camera with PoE and a computer using a PoE switch.


How to use Power over Ethernet without a PoE switch?

If you do not use an ethernet switch, but you want a GigE camera with PoE in your machine vision application, than the following two options will work for you. Option 1: Add a ‘GigE PoE injector’. The injector has a “Data In”-port and “Data + Power out”-port. The injector does not increase the cable length, since its purpose is to add power to the transmitted data via a CAT6 network cable. The example below shows how to transmit data and power between a GigE camera with PoE and an computer or ethernet switch without PoE by adding a GigE PoE injector.



Option 2: Add a 'GigE PoE adapter'. By building a PoE adapter into you computer you can plug the CAT6 network cable into the computer and your camera will be powered over ethernet. The example below shows how to power a GigE camera with PoE and an computer by adding a GigE PoE adapter.


How to power a GigE camera using I/O port instead of PoE?

The traditional way to supply power to a GigE industrial camera, is connecting an external power source to the I/O port of the camera. This is applicable for all GigE cameras (both PoE and non-PoE). As shown below, you need to connect the cameras I/O port to an external power source. The CAT6 ethernet network cable is only used for data communication (transmitting the images and configurating the parameters of the industrial camera).



 
  Technical Support     21-07-2020 15:13     Comments ( 0 )
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