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31 views

POE Connection Failure

I have 2 POE ports which are on different NICs. When I connect them together the ports' Ethernet does not come up. In other words, the associated "port status" register of those ports should turn to ...
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1answer
32 views

How to restrict access to Ethernet ports outside of physical permiter

I have several PoE IP webcams installed on my house. Each mounting point has only one wire going to it: the Cat6 with 8P8C plug at the end, which both powers and communicates with the camera. I ...
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0answers
29 views

Power over Ethernet device not powering up but computers can use same outlet for data

We have an office where a Power over Ethernet device cannot power up; however, if a computer is plugged into the same outlet, it has no trouble using it for data transfer (100 Mbps). In fact, we have ...
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1answer
366 views

Power-over-ethernet to non-PoE device [duplicate]

While I can find lots of information about PoE, I'm finding little about "gotchas" or "warnings". That being said, what would happen if I configured a switch to give PoE then plugged that into a ...
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2answers
656 views

Daisy chaining PoE switches for IP security camera system

I have a fairly large (for me) security camera system to install and the cost of cabling is keeping this project cost prohibitive. I'll outline what I'd like to do, and welcome comments on the ...
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1answer
46 views

Can I do Ethernet over Power for [closed]

I have a 1000-yard 220 volt electrical line (AC) that runs from my house to a water pump. I want to install a microcontroller (Arduino or R.Pi) to read a digital thermometer and send the information ...
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3answers
2k views

Does a wireless access point with PoE ports exist?

I'm currently making my own, because I have yet to find a company that makes an access point with PoE ports. I have seen several APs that are powered by PoE, but they don't pass 48V to their ethernet ...
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1answer
258 views

Networking a POE VOIP phone and a non-POE router with one Ethernet port [closed]

I'm wiring up an office with one available Ethernet wall jack. The jack currently services a VOIP phone that is powered over the Ethernet cord and has no normal plug. I need to set up a small network ...
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1answer
526 views

Is it harmful to plug a POE energized data source into non-POE NIC card?

Some of our wired ethernet data connections are energized with Power Over Ethernet at 48 volts. But not all of our devices utilize POE. Is it harmful to plug a device into POE when the device's NIC ...
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3answers
2k views

Can i carry power through ethernet cable

I am thinking of using CAT6 cable to send video and power to CCTV cameras. I know that CAT6 cable can carry the video signal, but I want to know if I can also pass the power to cameras via one pair of ...
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1answer
437 views

Voltage range of a PoE Plus switch

I have a WiFi module until now I supplied through a PoE injector. According to the documentation the WiFi module voltage requirement is the following: 12V Passive PoE (accept up to 22V). I also have ...
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2answers
7k views

Can I connect a PC to a PoE switch?

I have a switch with Power over Ethernet capabilities. Is it allowed to connect a PC to a PoE switch?
5
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1answer
2k views

Can Power Over Ethernet be daisy chained?

I am planning a wireless network that will involve a wireless radio modem that must be mounted pretty far from my house on a post (Needs line of sight to work) and then getting the signal back over to ...
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1answer
214 views

Wireless Access Point with POE capability [closed]

Im looking for a decent Wireless Access Point, specifically POE which is small and suitable for used within a residential environment. Quite a few on the market wouldn't look out of place in an ...
0
votes
2answers
190 views

Consumer power over Ethernet [closed]

Power over Ethernet has been around for years now, and is used in business and industrial settings, but I haven’t seen any good consumer PoE devices. Am I not looking in the right places, or are PoE ...