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I'm in need of a gigabit switch that can be powered via PoE. There isn't any A/C power in the area. Suggestions?

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closed as off topic by Chris S May 17 '12 at 12:22

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You're going to have to run either AC or DC power to the area. How many ports are we talking? –  David Schwartz May 17 '12 at 0:25
    
You mean the switch, itself, needs power, and not just the ports coming from the switch? –  Joel Coel May 17 '12 at 1:03
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Normally, this would be deemed a shopping question. However, I think that this is a special application and there are very few products that can do this. I thought I'd share my experience since it could be helpful for future visitors. –  ewwhite May 17 '12 at 1:28
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Shopping Questions are Off-Topic on any of the Stack Exchange sites because of their very limited lifespan. See Q and A is hard, lets go Shopping and the FAQ for more details. –  Mark Henderson May 17 '12 at 1:33
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** "is there a product that centrally stores all microsoft office documents in a database like structure for easy searching?", would that be a shopping question? ** Well, um, yes. What you're apparently saying is that a shopping question isn't a shopping question if what you're shopping for is difficult to find, and with respect, that's nonsense. –  RobM May 17 '12 at 11:59

2 Answers 2

The HP ProCurve 1810-8G Switch (J9449A) is an 8-port Gigabit switch that can be powered by an upstream PoE switch. I use it in environments where I can't accommodate a power brick or need to control power from a central location (e.g. a UPS in a central server room). They're also nice when you need to use small switches because of a lack of ethernet drops in a facility.

enter image description here

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Wow, I have never seen a switch that ran off PoE. Those might be useful to put on our mobile lab carts. –  Zoredache May 17 '12 at 7:31
    
Ditto @Zoredache - this is the kind of thing I'd have almost ruled out directly. Interesting to know –  Dan May 17 '12 at 12:04

I doubt you will find such a product. Instead, I would look for a generic PoE injector/extractor.

I think this is one of those products, but I can't get the website to load.

http://www.dlink.com/products/?pid=332

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I think OP wants to power the switch itself via POE. A midspan or injector still needs AC running to it. –  jscott May 17 '12 at 0:20
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That is not what I was suggesting. They make devices that sit at the end of the span and split Ethernet from the PoE. –  longneck May 17 '12 at 0:34
    
Ah, I see, then +1. –  jscott May 17 '12 at 0:36
    
We use these for some impromptu wireless "access points" in an area that are really just specially configured consumer wifi routers, set up in area that needed simple wifi coverage very cheaply. Hopefully the so-called APs will start breaking soon so I can replace them with real equipment. –  Joel Coel May 17 '12 at 1:06
    
then this product is perfect. that's exactly what it's designed for: powering consumer-grade networking devices that need 12 or 5 volts. –  longneck May 17 '12 at 1:13

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