There’s a lot to cover when it comes to PoE, so I’ll try to keep it as simple as possible. There are 4 main types of PoE to know about:

Do not have a serial console port. All management has to be done over Ethernet in-band. (EdgeSwitches still have console ports!) And there’s no point in installing the UNA software just to use the switch. That only makes sense when you have multiple Ubiquiti UniFi or Enterprise hardware units. But in that case, it’s best also to use a real hardware controller, like the UDR or a higher-end UniFi router. One limitation of the regular second generation switches is their limited PoE budget. PoE budget refers to the total amount of power available for all PoE devices. Since the non-pro 2nd generation models are fanless, they also have smaller power supplies, and a smaller PoE budget. If you want 10 Gbps ports for clients, or need a distribution switch to aggregate other switches, the XG series has a few options. Some are in the 1st generation, some are in the 2nd: In the event of a UniFi switch power supply failure, the USP-RPS automatically supplies redundant power to the failed device. One UniFi SmartPower device can support up to 6 devices until the failed device is replaced.Ubiquiti UniFi Gen2 Switches offer a variety of features, including 10G SFP+ ports, PoE+ or PoE++ support, and Layer 3* switching capabilities. (*Layer 3 switching will be available in a future software release) The switch’s small touchscreen allows access to the switch’s various settings accessible via vertical or horizontal scrolling/swiping. Simple plug-n-play setup, helpful touchscreen I tried that out with the switch and could use its more advanced features, including port settings and bandwidth management, as shown in the screenshots above. However, none of these extras is essential for any home. If you are planning on using PoE passthrough on switches like the USW-Flex, or access points like the In-Wall-HD, you should supply them with the higher-wattage PoE+ or PoE++. Devices with PoE passthrough will usually function when fed with standard 15W PoE, but will not reliably power downstream devices unless they receive their maximum rated power input. For example, the USW-Flex can provide 8W with PoE in, 20W with PoE+ in, and 46W with PoE++ in. Have a small touchscreen on the left side of the device, like the UDM-Pro. This screen shows stats and info about the device, and the network it is on. They also integrate with the UniFi AR feature, which lets you use a phone to virtually see what is connected to each port.

All you have to do is plug it in, and that’s it, just like any unmanaged switch. Use one of its ports to connect to the existing switch or router, and the remaining ports will work as extensions of the wired network.Active PoE The voltage that the Powered Device (PD) needs is negotiated. Example output modes are IEEE 802.3af, 802.3at and 802.3bt. While physically different, BASE-T and SFP/+ are parts of the Ethernet family, sharing the same networking principles and Ethernetnaming convention — Gigabit Ethernet (1Gbps) or 10 Gigabit Ethernet (a.k.a 10GE,10GbE, or10 GigE). The BASE-T wiring is more popular thanks to its simple design and flexibility in speed support. Some routers and switches have an RJ45/SFP+ combo which includes two physical ports of each type, but you can use one at a time. On the one hand, its 2.5Gbps ports are straightforward. On the other, I don’t have enough SFP+ devices to use the two ports simultaneously. PoE+ devices like the U6-Pro will usually operate with 802.3af input, but they will be unreliable. It’s never a good idea to push past your budget, feed a PoE+ or PoE++ device with a lower tier of PoE, or supply the wrong voltage. Always follow the recommended input power, and never provide less the required power or a different voltage.

Managed and configured by the UniFi Network Controller with UniFi mobile app support, the USW-16-POE offers an extensive suite of advanced Layer 2 switching protocols and features, including operation mode (switching, mirroring, or aggregate) per port. The UniFi Network Controller and mobile app allow admins to configure and monitor virtually all of the switch features in a graphical user interface from anywhere. After that, if you want to view the switch’s status or change some simple settings, you can use its little touchscreen, which is fun and helpful. Passive 24V and 48V PoE — Ubiquiti’s standard, mostly used on EdgeMAX, AirMAX, and older UniFi devices

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This article will cover the basics of Power over Ethernet (PoE).PoE streamlines the process of powering and providing data to a connected device by sending electric power over the Ethernet cable. There are different PoE types, standards modes available. This article will focus on the differences between some of the PoE types and standards that are relevant to Ubiquiti equipment. Table of Contents Note: Other vendors may refer to PoE, PoE+, and PoE++ as 802.3af, 802.3at, and 802.3bt, respectively. Out of the box, the Ubiquiti Switch Enterprise 8 PoE looks great with a touchscreen and a solid build. The switch is heavy and feels sturdy. And it comes with everything to get it up and running, including mounting accessories and a standard power cable.