This Harmony XB5, panel mounted USB port enables connection to your machine of USB devices. This panel mounted USB port provides a simple way to connect to your machine through standardized connectors, without opening the control cabinet doorIt is easily installed into standard 22mm diameter cut-outs. It provides an easily and safely access to your machine automation and controllers via a port on the door of the control cabinet. It is easily installed into standard 22mm diameter cut-outs.