[asterisk-users] TDM400p susceptible to EMI?

[Steve Edwards]

> 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.

-- 
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards       sedwards at sedwards.com      Voice: +1-760-468-3867 PST
Newline                                              Fax: +1-760-731-3000