[Asterisk-Users] Qs about FXO/FXS cards

Dorn Hetzel asterisk-users at dorn.hetzel.org
Sun Jan 2 08:15:42 MST 2005


On Sat, Jan 01, 2005 at 07:23:58PM -0500, Jim Van Meggelen wrote:
>[...] 
> What if, for example, the TDM400 issues were a cumulative thing? If you
> had over 6dB of attenuation on the PSTN loop, coupled with greater than
> 5V potential on the neutral-ground of your elecrical receptacle,
> compounded by a cheap power supply, exascerbated by a Via-chipset, would
> you not be virtually guaranteed some strange behaviour? But if your PSTN
> was -3dB, your electrical feed derived from a power conditioner, your
> power supply manufactured by PC Power & Cooling, and a ServerWorks
> chipset-based MoBo, would your system always be faultless?
>
Can you recommend any favorite motherboards?
 



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