ADSL Microfilter Splitter Box (one to one) TA8311

Plain Old Telephone Service (POTS) filter allows only voice signals to the subscriber's phone,answering/fax machine and other analog devices while DATA signals pass onto the computer. "PHONE" line (pin 3&4) is conditioned and "ADSL" line (pin 2/5&3/4) is remains clear for DSL compatible devices.