Weidmuller Modular Connectors - Adapters 1963490000 are a type of in-line adapter that is designed to connect two RJ45 connectors. It features 8-way RJ45 jacks and 8-way RJ45 receptacles, and is rated for IP20 protection. This adapter is ideal for connecting two RJ45 cables in a variety of applications, such as Ethernet, data, and audio/video. It is designed to provide a secure connection and is easy to install. The adapter is made from high-quality materials and is designed to last. It is also RoHS compliant, making it safe for use in a variety of environments. This adapter is a great choice for anyone looking for a reliable and secure connection.