RJ12 Cable Phone Cord 10Ft 6P6C m2m Data and Voice DSL FAX modem landline RJ11

RJ12 High Speed Telephone cable >10 feet, about 128 inches long very useful info pictured, found on OPTCORE's website. a networking data solutions company. RJ12 is 6P6C, i.e., 6 positions and 6 contacts. Up to 4Mbps, it can handle twice the amount of data as the RJ11 compatible, The RJ12 connector can be plugged into the RJ11 jack questions? please ask! landline phone cord fax modem DSL male to male connectors voice and data