3COM SuperStack 3 4500 26-port Switch

3COM Switch 4500 26-Port (24 port 10/100 + 2 giga utp or 2 slot SFP * 24 autonegotiating 10BASE-T/100BASE-TX * 2 Gigabit port * user configurable for RJ45 (copper) or SFP-based (fiber) interfaces Switching features * IEEE 802.1X network access control * RADIUS Authenticated Device Access (RADA) * Access Control Lists (ACLs) * Bandwidth rate limiting and protocol filtering * PoE support * Dual-personality Gigabit Ethernet interfaces * Multicast filtering and Rapid Spanning Tree Protocol support * Dynamic routing * Secure management * 3Com Operating System