I use a CORCOM EMI/RFI AC line filter in-front of the modem. Put the modem
on the load side and ground the filter chassis. Any RF coming on the twisted
pair will be shunted to ground in the filter leaving the DSL modem to do
what it does best. The filter specs are adequate to allow the needed audio
pass band for the DSL to operate at full potential.
These filters can be found at Fair Radio surplus for less than $10 the last
time I looked.
73,
dave
wa3gin
-----Original Message-----
From: rfi-bounces@contesting.com [mailto:rfi-bounces@contesting.com] On
Behalf Of Commander John
Sent: Tuesday, February 06, 2007 8:16 PM
To: rfi@contesting.com
Subject: [RFI] DSL INTERFERENCE FROM 160 METERS
I just got on 160. Operating at 1955kc my signal interferes with my at&t
sbc DSL modem. Its a two wire No problems elsewhere.
50 watts will cause the modem to shut down fast.
How do I protect my modem from the RF. I don't know much about DSL what
frequency does it use?
john w9zy
W9ZY
.... Commander John ....
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