leoni.com These installation instructions show in detail how a VarioKeystone connector is assembled, how easy and secure cable assembly with VarioKeystone is. By means of parallel pliers, the network cable is pre-assembled so that the desired modular plug, the socket module, can be connected. VarioKeystone in the network allows different plug faces and the cable assembly as RJ 45 connectors. With VarioKeystone independence consists of changing performance standards. With VarioKeystone, independence consists of changing performance standards. An upgrade from CAT 6 to CAT 7 is simple and fast. There is no need to install a new network cable.