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× Questions about A400/800/1200 Analog Interface Card

OpenVox A400P FXS power requirements?

9 years 10 months ago #9703 by sarduchi
Can the A400 card power a FXS daughter card with only 5V connected to the molex or can it draw power from a FXO? I'm trying to add FXS to a system with limited power options and am trying to avoid adding an external power source.
9 years 10 months ago #9704 by lindali
Hi sarduchi,
If you use A400 card with FXS module, you'll need to connect the card with 12V power supply, or the module cannot be detected by the system.
9 years 10 months ago #9709 by sarduchi
Thanks for the response. It looks like the logic board (net5501) has a four pin floppy power connector intended to be used with a SATA drive. Assuming they follow the standard pin-out on this and provide both 12v and 5v pins I should be able to use it to power the FXS. What sort of amperage should I be looking for?
9 years 10 months ago #9710 by lindali
you should use the 12v 4pin connector to power the FXS module.
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