Is there a way to measure the signal of the connected line on the FXO
port ( without the help of digital oscilloscope )
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Damian Minkov
COSMOS Software Enterprises, Ltd.
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Damian Minkov wrote:> Is there a way to measure the signal of the connected line on the FXO > port ( without the help of digital oscilloscope ) >Yes there is. But you need to edit the source code of wcfxs (for the TDM400 card). There is a bit of code similar to: #if 0 -->some debug messages here regarding voltage values #endif You can simply replace it for a) if 1 This will always print out voltage values... LOTS of them! or b) if (debug>1) {....} This will print out voltage values when you "modprobe wcfxs.c debug=2" There should be similar bits of code in the X100P driver. Leandro
Oh.. the voltage values are dumped in syslog! Leandro Morgado wrote:> Damian Minkov wrote: > >> Is there a way to measure the signal of the connected line on the FXO >> port ( without the help of digital oscilloscope ) >> > Yes there is. But you need to edit the source code of wcfxs (for the > TDM400 card). There is a bit of code similar to: > > #if 0 > -->some debug messages here regarding voltage values > #endif > > You can simply replace it for > > a) if 1 > This will always print out voltage values... LOTS of them! > > or > > b) if (debug>1) {....} > This will print out voltage values when you "modprobe wcfxs.c debug=2" > > There should be similar bits of code in the X100P driver. > > Leandro > > _______________________________________________ > Asterisk-Users mailing list > Asterisk-Users@lists.digium.com > http://lists.digium.com/mailman/listinfo/asterisk-users > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users >