[asterisk-users] Selecting the E1 cards for the call

[Tom Rymes]

On Jan 16, 2011, at 7:29 AM, bilal ghayyad wrote:

> Dears;
> 
> I am looking for the card that does not need an electrical power, which one? Is the PCI express doing this?
> 
> Regards
> Bilal

Bilal,

The only telephony cards that require a power connector are those with FXS ports for plugging in analog telephones as extensions. Any of the E1 cards you are looking at will not require any additional power beyond what the motherboard provides to the slot.

Tom