[Asterisk-Users] Re: DSL (DMT) goes down when X100 plugged in

2004-02-25 Thread toms 
My guess was the 100 presented too low an impedence to the line. So, I took
an answering machine that had a phone jack on it (pass-through). I plugged
the ans. machine into the filter and the 100 into the ans. machine.
Everything works now. I can also try a second filter.

Thanks,

Tom Schaefer
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Re: [Asterisk-Users] Re: DSL (DMT) goes down when X100 plugged in

2004-02-25 Thread Iain Stevenson 
Looking at the reference design for the chipset used in an X100P a fair 
chunk of capacitance is slapped straight across the line which would 
present a significant load to DMT signals.  I guess the fax machine 
introduces some inductance in series with the phone to compensate.

I found this link that says a little more about what's in the splitter for 
the UK marker http://www.adslnation.com/support/filters.php.

 Iain



--On Wednesday, February 25, 2004 12:06 pm -0700 [EMAIL PROTECTED] wrote:

My guess was the 100 presented too low an impedence to the line. So, I
took an answering machine that had a phone jack on it (pass-through). I
plugged the ans. machine into the filter and the 100 into the ans.
machine. Everything works now. I can also try a second filter.
Thanks,

Tom Schaefer
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