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Re: DC in Cat5


  • To: <ukha_d@xxxxxxx>
  • Subject: Re: DC in Cat5
  • From: "Frank Mc Alinden" <armagh@xxxxxxx>
  • Date: Fri, 12 Apr 2002 21:23:07 +1000
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  • References: <a96dgu+hk3f@xxxxxxx>
  • Reply-to: ukha_d@xxxxxxx

Hi Bill
        I agree with Johns recommendations ,i personally would use 12v and regulate at the load end to suit .
Frank Mc
----- Original Message -----
Sent: Friday, April 12, 2002 8:39 PM
Subject: [ukha_d] DC in Cat5

instead of using multiple AC/DC converters for every little toy i get
and to improve presently low levels of WAF, i was thinking of having
two or three central DC supplies at node 0 (set for various levels ie.
5V 9V 12V) and running the DC on pins 7 and 8 of the RJ45.

Is this a no-no?

The only problem i forsee is whether the amount of current you can
supply via cat5 cable is too low, but some of the toy's should draw
quite small amounts of power.

I wouldn't think it would interfere with the data on pins 1,2,3,and 6.
I would leave pins 4 and 5 alone incase someone plugged in a telephone
and blew something up which would reset WAF back to nominal
level.

bill  



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  • References:
    • DC in Cat5
      • From: "happy_hammer66" <bill.mcmahon@xxxxxxx>
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