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Specifying power over ethernet brings many advantages to an installation.
What is power over ethernet. Power over ethernet has become one of those checklist items many enterprises rely on to bring electricity over existing data cables to wi fi access points firewalls ip phones and other. Power over ethernet poe is a technology for wired ethernet local area networks that allows the electrical current necessary for the operation of each device to be carried by the data cables rather than by power cords. If you want a convenient and reliable way to power your devices while simultaneously connecting them to your network then poe is the only. And installing and maintaining poe equipment is much easier than more complex electrical installations.
Power over ethernet poe is a networking feature defined by the ieee 802 3af and 802 3at standards. Power over internet poe is a method of providing power to remote devices using standard ethernet cable removing the need for a remote mains power supply. It has been standardised by the ieee but there are also vendor implementations that are non standard. The main one to be aware of is passive poe.
A power connection to deliver the electrical power the camera needs to operate. Power over ethernet poe is a technique for delivering dc power to devices over copper ethernet cabling eliminating the need for separate power supplies and outlets. Poe lets ethernet cables supply power to network devices over the existing data connection. Poe capable devices can be power sourcing equipment pse powered devices pds or sometimes both.
Power over ethernet plus poe is the 2009 ethernet standard amendment released by the institute of electrical and electronic engineers also known as 802 3at. However if the camera is poe enabled only the network connection needs to be made as it will receive its electrical power from this cable as well. What is power over ethernet. Power over ethernet solves the issue of powering devices that are not near a power supply source.
While poe doesn t add ethernet data capabilities it does offer expanded options for how and where ethernet end devices can be placed. Poe delivers 30w at the port level over an ethernet twisted pair cable.
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