[Soekris] Ubiquity 400mW mini-PCI

[Iwan Kilis]

Hi Matt,

So you're saying that 4801 and 4521 are working with these kind of card 
on their full power (400mW) ? with PoE too ?

Regards,
Iwan Kilis
Kawanua Networks ISP
http://www.kawanuanet.net.id

Matt Buford wrote:

> I have a point to point link using these cards with a 4801 running in 
> master mode (power supply 31311210) on one side and a 4521 (power 
> supply 31954804 PoE) on the other side.  As far as I can tell they 
> seem to get enough power.
>
> This was an upgrade from running senao 200mw cards in the same system. 
> Strangely, the signal does not seem to be notably better.  I do not 
> have line of sight and actually bounce my signal off a 30+ story 
> residential building.  In both cases it works ok most of the time but 
> is prone to "bad days" where the signal seems to fade.  During that 
> time large packets get dropped while smaller packets tend to make it 
> through.  I had hoped the 400mw card would help me power through 
> whatever noise was causing the issue but it doesn't seem to have 
> change much.
>
> I had moderate stability problems of the 4521 end all along.  After 
> upgrading to the 400mw card, that system became even more unstable and 
> then one day mysteriously wouldn't boot at all and just scrolled a 
> LILO error nonstop.  I ended up replacing the 4521 with another 
> identical board I had lying around and this made it boot right up and 
> all stability problems were gone.
>
> I suspect that specific 4521 board has been marginally bad all along, 
> which would explain the stability issues I was never able to iron 
> out.  However, to be honest I have not had time to further play with 
> the questionable board to try to figure out what is really going on.