3Com 3CR17571-91 SuperStack 3 4500 Power over Ethernet PoE 26-Port Switch with 4 GBIC Slots

The 3Com Switch 4500 26-Port stackable Ethernet switch features rich Layer 2 switching and dynamic Layer 3 routing in a cost-effective, high performance platform.With robust security, extensive management, traffic prioritization and quality of service features, the Switch 4500 26-Port capably handles emerging business applications.Up to eight switches can be stacked via Gigabit Ethernet ports, allowing single-IP management for an entire stack.24 10/100 ports with industry standard Power over Ethernet and two dual-personality Gigabit ports allow the Switch 4500 to provide secure, dependable LAN connectivity and support next-generation voice applications for small to medium enterprise and branch office networks.

· Ports: 24X RJ-45 10/100 Base-TX Fast Ethernet with POE
· Uplink Ports: 4X 1000 Base-TX GBIC SFP
· GBIC Modules: NOT included
· Management Ports: 1 RS232 serial or Console
· Management Protocol: CLI via console or telnet and also Embedded web management interface system configuration with SNMP
· Data switching and Power over Ethernet (PoE) integrated into one unit, saves rack space, excess cabling, and the need for multiple backup systems simplifying installation of networking devices
· The 3CR1751-91 Complies with the IEEE 802.3af specification
· Ideal solution for NBX voice telephony installations, as switch automatically prioritizes NBX voice traffic; guaranteed power support for up to 24 NBX phones per switch
· Pre-configured PoE power profiles for 3Com equipment eases power budgeting; use with networked phones, wireless LAN access points and 3Com Network Jacks and IntelliJack products and enterprise LAN access points
· Redundant power for all stacked units using the 3Com SuperStack Advanced Redundant Power System