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3273 posts

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#272661 8-Jul-2020 11:36
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I'm planning my network and have the following devices that require PoE:

 

3x UniFi APs

 

4x Dahua Cameras

 

So here is my question:

 

I'm tempted by an EdgeRouter 12P, but aren't sure if the 24V PoE it supplies will work for the cameras. Under power supply they say "12V DC, 24V AC, PoE (802.3af)(Class 0)", but I;m nit confident that means they will work of the EdgeRouters 24V PoE.


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  #2519116 8-Jul-2020 12:01
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You will need to check whether the 24V PoE power the Ubiquiti is supplying is DC or AC and it needs to match DC or AC 24V with the camera for eg.

 

 

Ubiquiti AFAIK is now mostly doing 48V DC PoE which is what most Dahua and other IP cameras use.




Do whatever you want to do man.

  

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  #2519125 8-Jul-2020 12:18
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Pretty sure they won't work with 24v passive PoE. 

 

Maybe get a cheaper non PoE router and a switch that supports 802.3af/at - the UniFi APs all support 802.3af now. Even a cheap non-managed switch like a TP-Link SG1210P would be great, or you could consider a UniFi switch, as you are getting UniFi APs - something like the US-8-150W will do passive or 802.3af so you cover all your bases. 

 

 

 

Ubiquiti are more aiming that router at the WISP market I'd say. 


 
 
 
 


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  #2519126 8-Jul-2020 12:18
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Ubiquiti don't follow the standards last time i checked and use their own system 





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  #2519138 8-Jul-2020 12:26
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Just grab the little USG, and a little Unifi switch. They are products designed solely for the Soho networks.

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  #2519357 8-Jul-2020 15:11
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You can't power cameras using 24V passive PoE - they only work with 802.3af OR a 12V DC input.

 

All current model UniFi AP's are dual 24V passive / 802.3af - what model AP do you have? If it's a current model your best bet is just to buy a cheap 802.3af PoE switch to power everything.

 

 




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  #2519434 8-Jul-2020 16:59
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sbiddle:

 

You can't power cameras using 24V passive PoE - they only work with 802.3af OR a 12V DC input.

 

All current model UniFi AP's are dual 24V passive / 802.3af - what model AP do you have? If it's a current model your best bet is just to buy a cheap 802.3af PoE switch to power everything.

 

 

I have a new UAP-AC-LR and UAP-AC-Lite which support 802.3af, but I also have an older UAP-AC-Lite that doesn't.

 

Might just go back to the original plan of keeping my old EdgeRouter light and getting a PoE EdgeSwitch.


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  #2520323 9-Jul-2020 20:38
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Paul1977:

 

I have a new UAP-AC-LR and UAP-AC-Lite which support 802.3af, but I also have an older UAP-AC-Lite that doesn't.

 

 

Can you live with an injector on that old one? Going 802.3af/at is a much more future proof option IMO.


 
 
 
 




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  #2520443 9-Jul-2020 23:20
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Tracer:

Paul1977:


I have a new UAP-AC-LR and UAP-AC-Lite which support 802.3af, but I also have an older UAP-AC-Lite that doesn't.



Can you live with an injector on that old one? Going 802.3af/at is a much more future proof option IMO.



If I go for an EdgeSwitch then I can do 802.3 and 24V, so I think I’ll just do that. Not the cheapest option out there, but I’m relatively familiar with EdgeMax already from the router so hopefully a shallower learning curve.

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  #2520535 10-Jul-2020 08:35
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If you've only got 1 AP that is 24V it'd be a lot cheaper to stick with a 802.3af POE switch and just buy a 802.3af to 24V adapter for that.

 

 


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  #2520540 10-Jul-2020 08:45
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sbiddle:

 

If you've only got 1 AP that is 24V it'd be a lot cheaper to stick with a 802.3af POE switch and just buy a 802.3af to 24V adapter for that.

 

 

Not to mention far tidier. 

 

https://www.gowifi.co.nz/dcconvertors/ins-3af-i-g.html

 

 




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  #2520707 10-Jul-2020 12:36
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wratterus:

 

Not to mention far tidier. 

 

https://www.gowifi.co.nz/dcconvertors/ins-3af-i-g.html

 

 

I have a suspicion I have one of those somewhere already.




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  #2520710 10-Jul-2020 12:41
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sbiddle:

 

If you've only got 1 AP that is 24V it'd be a lot cheaper to stick with a 802.3af POE switch and just buy a 802.3af to 24V adapter for that.

 

 

@sbiddle do you mean it would be cheaper to get a non-Ubiquiti PoE switch rather than an edge switch? I still require it to be a managed switch that supports VLAN tagging etc, and just thought an EdgeSwitch would make sense if I'm sticking with my EdgeRouter. Would you suggest a different brand switch?




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  #2520763 10-Jul-2020 13:50
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@sbiddle, actually don't answer. I just bit the bullet and bought an EdgeSwitch.


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  #2520786 10-Jul-2020 14:05
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You get the ES-8-150W?




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  #2520848 10-Jul-2020 16:23
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wratterus:

 

You get the ES-8-150W?

 

 

I wish. I only need 8 PoE ports initially (I forgot about the video doorbell), but need about 30 ports all up. I have some fairly complicated VLANing to do as well (private home network,home business with additional guest Internet access, segregating security cameras, etc). So for management simplicity only wanted one switch rather than hanging a small PoE switch off the main switch.

 

So went for the..... ES-48-500W.

 

Boy I wish they made a 32 port one though, it was a bit pricey.


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