EMI FILTERED PHONE JACK COUPLER
Original Publication Date: 1997-Dec-01
Included in the Prior Art Database: 2002-Jun-11
This coupler is a female to female phone jack that attaches to a panel of an enclosure (i.e. cabi- net). The internal data cable plugs into the interior side of the coupler while an external data cable plugs into the exterior side of the coupler. The internal assembly of the coupler has a ferrite clamp that encloses the spring contacts where the data signals pass. This ferrite clamp can be changed to meet various frequency ranges or suppression require- ments by selecting different ferrite materials. Serial or other modem type data connections can use this coupler to filter or suppress EMJ noise to FCC or European Emissions Requirements.