3Com Switch 5500-SI

3Com Switch 5500-SI ... network security, performance and reliability. 48-ports operate at 10/100 speeds while an additional four active ports can be customized using SFP modules for copper or fiber Gigabit uplinks or integrated stacking. SI models have dynamic Layer 3 (RIP) routing, Layer 2-4 QoS, and rate limiting features. Includes extensive security features - SNMP v3, SSH, network login - and resilient hot-swap stacking for simplified management and monitoring. Runs 3Com Operating System common to 3Com premium switches and routers.