The LINDY USB (Universal Serial Bus) 2.0 Active Extension Pro Cable can be used as the final segment in a long distance USB (Universal Serial Bus) installation using the LINDY USB (Universal Serial Bus) 2.0 Active Extension System Pro. The hub works in combination with the LINDY 8m Active Extension Cable Pro & 12m Active Extension Cable Pro to create a USB (Universal Serial Bus) 2.0 connection spanning up to 56m with 4 USB (Universal Serial Bus) 2.0 ports at the remote end. See below for more details on system installations. Check out Computer Active's 4 Star review of the LINDY USB (Universal Serial Bus) Active Extension System Pro! Installation To install a USB (Universal Serial Bus) 2.0 Active Extension System Pro is simple. Start with an 8m Active Extension Cable Pro. Then use up to 4 additional 8m or 12m Active Extension Cables to extend your device further. If you wish to add extra USB (Universal Serial Bus) ports or to connect a bus powered USB (Universal Serial Bus) device, use either a 8m or this 12m 4 Port Extension Hub kit as the final segment. The picture below is an example of a typical set-up. Package Contents 12m USB (Universal Serial Bus) 2.0 Active Extension Pro 4 Port Hub 5V Multi Country PSU LINDY Manual