[Voyage-linux] ECN for ALIX boards

Petr Lascak (spam-protected)
Fri Mar 7 22:38:38 HKT 2008


Edwin Whitelaw napsal(a):
> So far my modded boards have also stayed up.  A note on the 12v power 
> drain.  I have an analog ammeter setup to measure current on the POE for 
> the boards and it shows barely 0.2 amp even with two XR5s on the board.  

Hi,
only one advice, problem with POE is impedance of cable,
especially its inductance.
When the power rise up, the inductance of cable work
in opposite way, and the end you may see the peaks.
Try to add low ESR capacity at board.

   regards

-- 
     Petr Lascak
     ITF FreeNet Liberec
     http://www.lbcfree.net/
     NFX founder http://www.nfx.cz/




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