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U.S. Robotics SureConnect ADSL Ethernet/USB Router User Guide
Step 1. Connect Microfilters (If Necessary)
● If your package didn't include microfilters, and your ISP didn't provide any: Skip to Step
2 of these instructions.
● If your installation requires microfilters: Install one on each telephone device that shares
the same phone line as the ADSL signal. (Telephone devices include telephones,
answering machines, and fax machines.)
A microfilter is a small device that reduces interference between ADSL signals and telephone
signals. You only need a microfilter if the ADSL router and a telephone device share the
same phone line. If you don't use a microfilter, you may experience background noise on your
telephone during data transmission. Also, telephone calls may interrupt data transmissions.
Connect Microfilters to Telephone Devices
To install the microfilter, plug the phone into the microfilter, and then plug the microfilter into
the telephone wall jack. Do not install a microfilter on the cable that connects your router to
the telephone jack unless your microfilter has a connection for both the telephone and the
DSL device.
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