XPost: alt.comp.os.windows-10, alt.home.repair   
   From: NONONOmisc07@fmguy.com   
      
   In alt.home.repair, on Fri, 23 Dec 2022 15:35:13 +0100, "Carlos E.R."   
    wrote:   
      
   >On 2022-12-23 15:09, micky wrote:   
   >> In alt.home.repair, on Mon, 19 Dec 2022 20:58:02 +0000, Graham J   
   >>  wrote:   
   >>   
   >>> micky wrote:   
   >>>> I wanted to get some waterproof/outdoor cameras that plugged into the   
   >>>> PC, or maybe something that connected straight to the PC.   
   >>>>   
   >>>> But all I see for sale are cameras meant to clip to the monitor, not be   
   >>>> screwed to the wall.   
   >>>>   
   >>>> Or if they are meant for outside, they are either wifi or they are meant   
   >>>> to go to some sort of separate video recorder.   
   >>>>   
   >>>> Do they sell what I want?   
   >>>   
   >>> [snip]   
   >>>   
   >>> A camera using Ethernet would be ideal: it connects to your LAN so is   
   >>> available from any computer.   
   >>   
   >> I only have a desktop and a laptop but still, that would be good.   
   >>   
   >>> A camera featuring Power over Ethernet   
   >>> (PoE) would allow use of a single cable.   
   >>   
   >> But if I have 3 cameras, I will still need 3 cables??   But just one   
   >> power injector??   
   >   
   >One switch capable of PoE, which could be inside or outside. It needs a   
   >power input, though. Inside you could use it as well for other things.   
      
   A switch!  I'd forgotten that word.  In fact, I'd forgotten  they   
   existed.  I will go read about them.   
      
   Able to pass POE through it.  I get it.   
      
   >>   
   >>> Ethernet allows a maximum   
   >>> cable length of 100 metres, so far better than any USB connection.   
   >>   
   >> I only need 7 or 8 meters.  (Decided to put the cameras 8 feet high   
   >> instead of 17 feet.)   
   >>   
   >> So I was thinking that USB would be good enough, but then.... I had in   
   >> mind 3 cameras with a hub in a waterproof box outside, and only one USB   
   >> cable entering the house.  Until I read that all three cameras have to   
   >> share the same the same power that one USB port puts out.  If my USB   
   >> ports have 0.5 amps, that leaves only 0.16 amp for each camera. Would   
   >> that be enough?  Even close to enough?   
   >   
   >You would need a powered hub.   
      
   !!   
      
   >...   
      
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