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39 posts

Geek


# 179330 4-Sep-2015 11:04
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Hello

I am thinking of investing in a D-Link or similar Switch with POe ability , 

 

I have a AVM542 Outdoor Camera , and it specifies 12V 1.5amp as power source. 

So my question is , do Switches that provide POE always output at 12V ?  every spec I see is only shows Watts , --> DGS-1008P

I
s POE ports a standard Voltage ?.. 

Thanks in advance for any help guys. 

Rhys

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28431 posts

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  # 1379616 4-Sep-2015 11:17
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True PoE is 48V in accordance with the 802.3af spec.

In reality PoE these days is a mix between active 802.3af and passive PoE that delivers power over pins 4,5 and 7,8 using whatever voltage a device requires.

That camera says it's 802.3af so will will work with any 802.3af switch. It probably also has a DC connector so can be powered using 12VDC if PoE is not used.




39 posts

Geek


  # 1379620 4-Sep-2015 11:23
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THanks sbiddle for reply , 

Cool , makes sense untill then I will use one of these --> http://www.jaycar.co.nz/PRODUCTS/IT-Products/Networking/Wired-Hardware-%26-Accessories/Power-over-Ethernet---PoE-Passive-Kit-2-1mm-DC-RJ45/p/YN8410

W
ith one of these --> http://www.jaycar.co.nz/Power-Products-Electrical/Plugpacks/DC-Output/Switchmode-Mains-Adaptor-12VDC-1-5A/p/MP3486


U
ntill I splash out on Poe Switch .. I am assuming Dlink is still run of the mill ok for home networks :)

Thanks

 
 
 
 


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  # 1379625 4-Sep-2015 11:34
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Damn Jaycar are expensive. Those passive injector cables are only about $1 each to buy from usual sources.




247 posts

Master Geek


  # 1412864 23-Oct-2015 15:05
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They have always been expensive, and made 10x worse by Disksmiths moving out of the electronic market.





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