Questions tagged [poe]

For questions regarding the use of Power Over Ethernet (IEEE802.3) on the Raspberry Pi.

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21 views

Are there any battery backup options that work with a PoE powered Pi?

Looking to have a Pi (4) that is powered over PoE - are there any battery backup options (i.e. hats) that can be stacked with the PoE hat & supply power if/when the PoE fails (and then re-charge ...
3
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2answers
324 views

how does the Raspberry Pi PoE shield work?

I would like to do PoE for some Pies, but I dont like the real-estate the PoE hat takes up. what exactly is required for the PoE to work? what pins must I use on the raspberry PI, and what does the ...
2
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1answer
60 views

POE without the Rpi Hat?

I have a raspberry pi 3b+ with the 4 PoE connectors. How can I power the Pi with Ethernet without buying the PoE Hat? Is there a link to a schematic for the PoE hat? I need a different board on top of ...
2
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1answer
88 views

Does the PoE hat fit in the Raspberry Pi case?

Does the Raspberry PoE hat fit inside the Raspberry Pi 3 Case? And it might be too soon. But would the same PoE hat, on top of a Raspberry Pi 4, inside a Raspberry Pi 4 Case also fit? And by "fit" I ...
2
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2answers
811 views

RPI 4 - POE enabled but requires hat?

I'm confused about the marketing on the new RPI 4. Here in the tech specs it says "Power over Ethernet (PoE) enabled (requires separate PoE HAT)". What does it mean it's enabled, but it needs a ...
2
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1answer
191 views

PoE hat fan activation on OS other than Raspbian

I'm aware that the only officially supported OS that the PoE hat works on is Raspbian. I can confirm that both my hats work, and that the fan does switch on and off if I have Raspbian installed on the ...
0
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2answers
60 views

Can a single Ethernet interface be addressed on DIFFERENT subnets?

Can a single REAL Ethernet interface be addressed on (2) DIFFERENT subnets? But how can this be when a Pi only has a single REAL interface- and therefore only a single MAC address to map the (2) ...
2
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0answers
184 views

Is it viable to run a cluster of Pis on PoE?

I’m thinking of experimenting with clustering RPis, but the thought of that mess of equipment (switch + multi-port USB charger) and cables is a bit of a turn-off. Does anyone know if there are any ...
2
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2answers
547 views

Is it possible to use an additional HAT with the Raspberry Pi PoE HAT

I recently got a Raspberry Pi 3 Model B+ and the official Raspberry Pi PoE HAT. It is powering it from my switch fine but I am wondering if it is possible to also use an additional HAT with it? The ...
2
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1answer
357 views

Is it possible to power a 3b+ and the display with the poe hat?

For a project I would like to power the 3b+ and the official 7” touch display using the official POE hat. I figured that I could connect the display board to the pi via the jumper wires to 5v and GND ...
0
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1answer
72 views

Strange USB behaviour with PoE hat

This might be without PoE hat too but my device uses PoE hat. Everything was working great, I have two USB ports used on the Pi: a USB hub with a keyboard and mouse and a 256GB Pen Drive And that'...
1
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1answer
337 views

Under-voltage problems when using the new PoE hat

I'm experiencing some issues with the new PoE hat when using my NETGEAR gs108pe PoE switch. Basically when I use my raspberry pi 3B+ with only my HDMI monitor and a USB serial converter attached (...
2
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2answers
2k views

Raspberry pi 3 b+ and 7" touchscreen over poe

I have an issue, i want to power my pi and 7" touchscreen over poe but the raspberry pi poe hat supplies only 2.5 amp. 7" touchscreen requires 2.5 amp and rpi 3 b+ also requires 2.5 amp so i am in ...
1
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3answers
1k views

PoE Switch hat not working

So I got the new raspberry pi 3 b+ and also bought the PoE switch to power it using Ethernet. https://uk.pi-supply.com/products/pi-poe-switch-hat-power-over-ethernet-for-raspberry-pi I don't know if ...
2
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2answers
98 views

eth0 interface problems

I have about 400 pi units and some of them have developed a peculiar issue. The eth0 interface appears to be up, but I can't seem to pull a DHCP address. When I set a static IP, it shows in the ...
2
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2answers
80 views

Year Long Raspberry Pi Timelapse

I am making a year long Raspberry Pi time lapse, I have a script that takes a picture every day but if there is power cut, the Pi turns off, and the script is stopped so I need the Pi on 24/7—any ...
3
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2answers
1k views

POE Switch to Power the PI?

Sorry if this a repeated, I couldnt find anything similar. Most threads seems to be modifying the PI or splitting Ethernet. Will this setup work for powering the PI? 1) Juniper EC-2200 POE Switch (...
4
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3answers
175 views

Power and Internet over a 15m distance

I'm planning to put my pi in a bird box at the end of the garden. The distance is 15m away from the nearest power source and the router. What is the best way of getting power and Internet to it? ...