3Com Switch 4200G 12-Port Network Switch

The 3Com 3CR17660-91 Switch 4200G 12-Port delivers quad-speed performance with 10/100/1000 and 10-Gigabit Ethernet capabilities. It features plug-and-play Gigabit-to-the-desktop switching and rich, easy-to-use features, making it suitable for cost-conscious medium-sized businesses. The switch includes eight auto-negotiating 10/100/1000 ports configured as auto-MDI/MDIX, four dual-personality 10/100/1000 or SFP Gigabit ports, and one 10-Gigabit slot. Security features include IEEE 802.1X network access control with RADIUS authentication, RADIUS Authenticated Device Access (RADA), and Access Control Lists (ACLs). It also supports dual-personality Gigabit Ethernet with a choice of copper or fiber media for flexible uplinks, and support for 100MB dual-mode SFPs for legacy 100BASE-FX installations. The model number is sometimes listed as 17660-910-000, and it may be found with an ear bracket.