The Allied Telesyn AT-8200XL series of Fast Ethernet switches combines exceptional performance, with ease of use and flexibility at an affordable price. With a nonblocking switching architecture and full-wire speed performance on all ports, these switches are ideal for high-density workgroups or backbone networks where performance is required. The AT-8200 series switches all feature two optional expansion slots. Each expansion slot can be populated to provide either two additional Faster Ethernet fiber ports, four additional 10/100 copper ports, or one gigabit port (1000T, 1000SX or 1000LX).