2-line inline adapter DSL filter w/ auxiliary unfiltered jack, ADSL compatible. The In-line DSL Adapter connects between the wall jack and voice device (e.g. phone, fax, answering machine, Caller ID) providing both an unfiltered DSL jack for DSL connection and a filtered jack for one or two lines of voice device communications. Suttle In-line DSL filters eliminate all erratic impedance from telephone equipment that interfere with DSL communications. DSL Filters are available in one or two line filtering configurations Customer installable Meets ANSI T1E1.4 7R2 standards for DSL filter compliance.