DC in Cat5

["happy_hammer66" <bill.mcmahon@xxxxxxx>]

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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