[asterisk-users] TDM400p susceptible to EMI?

[Andrew Latham]

On Wed, Jul 13, 2011 at 5:16 PM, Tim Nelson <tnelson at rockbochs.com> wrote:
> ----- Original Message -----
>> > On Wed, Jul 13, 2011 at 2:51 PM, Steve Edwards
>> > <asterisk.org at sedwards.com> wrote:
>> >> I have a TDM400p with 3 fxs and 1 fxo daughter cards.
>> >>
>> >> It's in a mini-itx case with a 'right-angle' PCI riser card so the
>> >> TDM400p
>> >> is 'sandwiched' between the Atom D525 CPU and the 2.5" hard drive.
>> >>
>> >> I'm getting a bunch of clicks and pops on all ports.
>> >>
>> >> Has anybody had a similar experience? Did you find a solution?
>>
>> On Wed, 13 Jul 2011, Andrew Latham wrote:
>>
>> > How is it grounded? Silly I know but its possible.
>>
>> This box is using a picoPSU-80 80w DC-DC 'power supply' fed from an
>> inline 'laptop brick.'
>>
>> I ran a separate lead from the chassis to the grounding plug on the
>> same
>> 'duplex' wall outlet. No joy.
>>
>
> picoPSU's are typically pretty good. I wouldn't suspect it in this case then unless your power supply is underpowered for the hardware's current draw.
>
> --Tim

I also use the pico-PSUs and have not had any issues.

-- 
~~~ Andrew "lathama" Latham lathama at gmail.com ~~~