[Asterisk-Users] Digium TDM 400P and Dell 1750

[Michael Swan]

At 09:41 PM 2/17/2005 -0500, you wrote:

>Ok, makes sense.   I obviously have one of the newer TDM400P cards since 
>it does have the power connector.   However, I only plan on using FXO 
>ports.   Will the card work without external power if there are only FXO ports?
>
>Thanks
>
>
>
>Old TDM400P cards did not have a power connector. The new ones do. The 
>power to the card is required on any card that has a power connector. The 
>modern TDM400P cards are the only Digium cards that require external power 
>(since they are the only cards that support analog FXS ports and those 
>ports require more power than many motherboards can provide via the PCI bus)
>_______________________________________________


In a word: yes. FXO ports do *not* need the external power.

Michael Swan
Neon Software, Inc.


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