This is a simple and reliable PoE injector that really requires no instructions, just enough time and common sense for installation. I tested the product on two of my devices. The first was an Ethernet-connected security camera. Installation was very easy. My camera worked before it used a separate power input. The injector definitely simplifies the installation. The second device I tested the product on was a Nortel VoIP phone, which previously also worked with a separate DC adapter. Again, installation and operation couldn't be simpler. Of the two devices, the camera definitely draws more power when running 24/7, but the PoE injector provides more than enough power to get the job done. There isn't much more to say about this product other than that it does exactly what it was designed to do. do. If there are flaws in this device, I did not find them.
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