[Asterisk-Users] TDM400P specs clarification

[Eric Wieling]

varun_saa at vsnl.net wrote:

> Hello,
>       I need some clarification on TDM400P.
> 
> While browsing the Digium site I see that the TDM400P wildcard 
> is being used as base card for other TDM series cards.
> 
> I wanted to know what basically the TDM400P card offers. 
> If you see the specs it says :
> 
> " The Wildcard TDM400P is a half-length PCI 2.2 compliant card 
> that supports from one to four telephone interfaces for connecting 
> analog telephones or analog lines to a PC "
> 
> The term : 
> 
> " one to four telephone interfaces for connecting 
> analog telephones or analog lines "
> 
> In terms of FXO and FXS what does it mean. I can see that
> it has four RJ 11 sockets.
> 
> How will you decide which of the four interface to use for
> what. I mean FXO or FXS.

You purchase the FXO, FXS, or any combination of FXO and FXS modules.