Cisco's Catalyst 3920 is second generation Token-Ring switch that combines media-rate performance with a varity of high-speed uplinks, extensive network management, and support for multiple virtual LAN's at a price per port that makes the Catalyst 3920 an ideal choice for backbone, workgroup, and desktop use. The Catalyst 3920 is a stackable switch that offers 20 fixed ports, a stack port, and unique FlexSlot that supports one double-wide card or up to two feature cards that can provide additional Token-Ring ports or high-speed uplinks. The Catalyst 3920 offers 24 fixed Token-Ring ports and can be stacked with other Catalyst 3920 units or with the Catalyst 3900.