[asterisk-dev] Maximum current drain of a Digium TDM410 card.

[Andres Tello]

thanks... I supppose 3REN per port... assuming you have the 4 ports
ringing at the same time


On Wed, 2009-02-11 at 21:26 +0100, F6HQZ wrote:
> Hello Andres,
> 
> 3REN (Ringer Equivalent Number) or can derive a telephone at about 1500ft far on standard analog line of cupper wires pair.
> http://en.wikipedia.org/wiki/Ringer_equivalence_number
> 
> Best Regards,
> Francois
> 
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