Andrew Thomas wrote: > As stated below. JP15 isn't really enough to power an analog device > reliably.
It can supply 1A @ 12V. An FXS module requires 3 watts per channel. So If my math is correct, you could drive up to 4 FXS modules with one amp. I wouldn't go above 3. I have had 3 FXS modules on a Rhino card for about a year with no problems powered from the JP15 with a 5A power brick supplying 12V to the net5501 board. It's not likely that any more than two of the three are in use at any given time though. Darrick > Try if it you wish - but you may fry the Soekris board. > > BTW - sorry for the html earlier - I was using OWA. > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Darrick > Hartman > Sent: 12 November 2008 13:54 > To: [email protected] > Subject: Re: [Soekris] net5501 irq conflicts (digium tdm410) > > Felix Kronlage wrote: >> On Wed, Nov 12, 2008 at 07:09:48AM -0000, Andrew Thomas wrote: >> >>> Also, I suppose you realise that you will have trouble making analog > handsets ring - as the TDM cards require a 12v/5v input (as supplied by > a PC power supply - but not available on a soekris board)? >> There is a 12V connector, we measured it and attached it to the >> Digium Card. > > Take a look at this page. I added the pictures this week and provided > part number for the connector required to use with the JP15 connector. > > http://wiki.soekris.info/5501_Interfaces > > Note that you only need to provide 12V IF you have an FXS module on the > card. If it's loaded with FXO modules, then no power is required. > > Also be careful with the amperage. You only get about 1A from the JP15 > connector. _______________________________________________ Soekris-tech mailing list [email protected] http://lists.soekris.com/mailman/listinfo/soekris-tech
