Kitchy
Posts: 10
Joined: Thu Dec 06, 2018 7:22 pm

PoE Port Expansion

Fri Dec 07, 2018 5:58 pm

I have the PoE HAT and wondered if it can be expanded to 2 or 3 ports. I would like to use my Raspberry to handle 2 or 3 IP phones and am not sure how to use the one port given.

Brandon92
Posts: 768
Joined: Wed Jul 25, 2018 9:29 pm
Location: Netherlands

Re: PoE Port Expansion

Fri Dec 07, 2018 6:39 pm

You need a network switch with PoE. They are designed to solve this sort of problem.

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rpdom
Posts: 14066
Joined: Sun May 06, 2012 5:17 am
Location: Chelmsford, Essex, UK

Re: PoE Port Expansion

Fri Dec 07, 2018 6:40 pm

I don't think I understand you.

The PoE HAT powers the Pi over the Ethernet cable from a PoE capable network Switch, or a non-PoE Switch used in conjunction with a PoE injector.

If the IP phones require PoE themselves, they would also get that from the PoE capable Switch - nothing to do with the Pi.

The Pi will still be able to communicate with the phones over the network, just not provide power to them.

Kitchy
Posts: 10
Joined: Thu Dec 06, 2018 7:22 pm

Re: PoE Port Expansion

Fri Dec 07, 2018 8:01 pm

Thanks everyone. Much appreciated.

So I guess the only reason I got the HAT was just to have an Ethernet port to begin with. Obviously it is needed to connect with my VOIP provider anyway. Evidently I was reading into the situation something that didn't apply.

Thanks again.

hippy
Posts: 5091
Joined: Fri Sep 09, 2011 10:34 pm
Location: UK

Re: PoE Port Expansion

Fri Dec 07, 2018 9:23 pm

Kitchy wrote:
Fri Dec 07, 2018 8:01 pm
So I guess the only reason I got the HAT was just to have an Ethernet port to begin with.
The Official Raspberry Pi PoE HAT doesn't provide an ethernet port. The ethernet port is on the Pi board itself. The PoE HAT merely allows PoE power to be injected into that port and used to power the Pi board.

Perhaps you are talking about some other HAT ?

Kitchy
Posts: 10
Joined: Thu Dec 06, 2018 7:22 pm

Re: PoE Port Expansion

Fri Dec 07, 2018 10:19 pm

Sorry, my mistake. You are quite correct. Thanks.

fruitoftheloom
Posts: 19483
Joined: Tue Mar 25, 2014 12:40 pm
Location: Delightful Dorset

Re: PoE Port Expansion

Sat Dec 08, 2018 7:48 am

Kitchy wrote:
Fri Dec 07, 2018 10:19 pm
Sorry, my mistake. You are quite correct. Thanks.
http://www.makerspace-uk.co.uk/raspberry-pi-poe-hat/
adieu

My other Computer is an Asus CS10 ChromeBit running Chrome Operating System.
HP Envy 4500 Wireless Printer supported by HPLIP software in Raspbian Stretch.

Kitchy
Posts: 10
Joined: Thu Dec 06, 2018 7:22 pm

Re: PoE Port Expansion

Sat Dec 08, 2018 8:49 pm

Excellent article. Thank you very much.

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