This hub provides true port switchingthe ability to assign any port to different LAN segments through softwareso you can manage workgroup size and balance traffic loads to suit operational needs. This built-in ability provides a highly cost-effective, flexible way to help improve network performance. Multichannel cascade supports Ethernet segments and a separate management channel for monitoring isolated and switched segments with one cable. Two transceiver module ports can be used concurrently for mixed backbone environments. Resilient link support and optional redundant power protect mission-critical environments. Security features protect data and LAN resources. 3Com Network Supervisor (60-day trial version included) discovers, maps, and monitors network devices. Web-based management lets you administer the network anywhere. For higher performance, create mixed stacks with 3Com SuperStack II Dual Speed Hub 500s using optional cascade converter. Multipacks available from 3Com Partners, click the "Where to Buy" button.