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Ubiquiti Wi-Fi 6 APs are requiring 20-ish watt PoE. I guess 15W SBC is not so much of issue for PoE?
by chazeon 4y ago
Ubiquiti Wi-Fi 6 APs are requiring 20-ish watt PoE. I guess 15W SBC is not so much of issue for PoE?
- dragontamer 4y agoDo you have a link? My first search revealed: https://store.ui.com/products/u6-lite-us https://store.ui.com/products/u6-lite-us > Power method PoE, passive PoE (48V) > Max. power consumption 12W ------ > I guess 15W SBC is not so much of issue for PoE? Its not just 15W SBC, but also ~5W screen (assuming 7" screen). So it'd be closer to 20W worst case.
- chazeon 4y agoI am talking about U6-Pro, specs here [pdf]: https://dl.ubnt.com/ds/u6-pro_ds https://dl.ubnt.com/ds/u6-pro_ds which is asking for a 48V, 0.5A PoE adapter, so should supports 24 W max. the consumption is listed to be 13W though. U6-LR is 17W.
- dragontamer 4y agoHmmm. https://en.wikipedia.org/wiki/Power_over_Ethernet#Two-_and_four-pair_Ethernet https://en.wikipedia.org/wiki/Power_over_Ethernet#Two-_and_f... > The original IEEE 802.3af-2003[1] PoE standard provides up to 15.4 W of DC power (minimum 44 V DC and 350 mA)[2][3] on each port.[4] Only 12.95 W is assured to be available at the powered device as some power dissipates in the cable.[5] Talking about original PoE standard here. Looks like 13W is closer to the practical maximum. -------- It looks like there are newer PoE+ and 4PPoE standards that increase the power. > U6-LR U6-LR requires the updated PoE+ standard which gives more power.