You may try bridging the tip and ring of each pots line with a .01 microfarad capacitor. You can pick up a pack of the ceramic type at radio shack for a few bucks.
Good luck, Luke ----- Original Message ----- From: "Michael Welter" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, February 19, 2004 5:00 PM Subject: [Asterisk-Users] Woodpeckers > I live at 8000' in the Rockies. We have lots of woodpeckers--they > especially love to drill 4" holes in the north side of my house. > > They also like to drill on the arial telephone cables. Water then gets > into the cable and causes a partial grounding on the circuits. This > causes 60Hz hum to be heard on the line as well as a loss of amplitude. > Qwest says tough s--t. > > All three of my POTS lines have hum. They are connected to an Adtran > 750 and my asterisk system (a testbench for commercial endeavors.) > > The hum has always been bad on my end. Since I installed *, several of > my callers have remarked about the hum. > > So here's the question: Could a notch filter of sorts be installed in > the codecs I use? Filter-out everything between, say, 55 and 65Hz? > > Alternatively, is there a feature on the Adtran FXO card that deals with > this? > > Thanks for your help, > Mike > > > > _______________________________________________ > Asterisk-Users mailing list > [EMAIL PROTECTED] > http://lists.digium.com/mailman/listinfo/asterisk-users > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users > _______________________________________________ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
