The voice High Density (HD) modular jacks, RJ-11 keystone jack, is 6-position 6-conductor (6P6C). Its HD design offers a smaller rear footprint, maximizing space in confined work areas, and allows the use of more modular jacks within the same space. The voice High-density modular jacks are designed for business system applications. The IDC accepts 22-24 AWG solid wire and is suitable for use with Apple Talk, DSL, Voice, and Arcnet applications. Compatible with RJ11/14 and 25 modular jacks and plugs.FeaturesDesigned for all voice connectivity applications.PCB technology provides maximum performance and superior signal quality.Engineered to provide 110 IDC termination reducing installation time.Reduced rear footprint allows for greater connectivity density.Provides for more port configurations in a smaller area.Includes an integrated USOC/UTP color wiring diagram.Works with all Work Area Outlets faceplates, inserts, surface mount boxes.Works with all telephone line cords.Installation instructions included.UL listed.