Keystone inserts are connectors that snap into a wall plate, providing a method for external cables to connect with in-wall cables. These inserts come in different styles, such as audio, audio/video, banana, barrel/coaxial, coaxial/RF, d-sub, fiber optic, modular, USB, or video. The exterior types of these connectors can include banana jack, binding post, BNC, D-Sub, DisplayPort, F-Type, HDMI, LC duplex, modular jack, MT-RJ, phone, RCA, RJ45, S-video, SC duplex/simplex, speaker post, ST simplex, USB, VF-45, or 3.5mm stereo jack. The purpose of keystone inserts is to provide a convenient and customizable solution for connecting external cables to in-wall cables. By snapping into a compatible wall plate, keystone inserts create a secure and organized connection point for a wide variety of connector types. The different styles of keystone inserts cater to specific connectivity requirements, such as audio-only, audio and video, or data transfer. For instance, audio inserts are designed for connecting audio cables, while fiber optic inserts facilitate fiber optic connections for high-speed data transmission. The exterior types of keystone inserts determine the type of connector used to make the connection. For example, BNC connectors are commonly used in CCTV systems, while HDMI connectors are utilized for high-definition video and audio transmission. In summary, keystone inserts are connectors that snap into a wall plate, providing a flexible and customizable solution for connecting external cables to in-wall cables. They come in different styles and exterior types, catering to specific connectivity requirements and facilitating a wide range of connector types.
