This easy to install mini gbic or sfp module provides a simple way to add gigabit functionality to your linksys switch gigabit technology is often used to connect multiple switches together the cable type used depends on the distance between the switches this 1000base t module uses standard utp cat 5 copper cable with standard rj 45 connectors the maximum distance is 100 meters 328 feet for other options see the sx mgbsx1 and lh mgblh1 fiber optic modules