the Hp 3100 Si Switch Series Is A Low-cost Fast Ethernet Switch Line That Enables Organizations To Do More With Less. Stackable And Affordable, This Series Comprises Intelligent, Network-manageable Layer 2 Fast Ethernet Switches That Offer High Performance, High Port Density, And Easy Installation. They Provide 10/100 Mbps Downlinks And Gigabit Ethernet Uplinks, And Offer Link Aggregation That Expands Bandwidth And Enhances Connection Reliability. In Enterprise Networks, They Can Serve As Access Devices For 100 Mbps-to-desktop Applications. In Metropolitan Area Networks (mans) Or Industry Networks, They Can Connect End Users Or Aggregate Low-end Switches Through 100 Mbps Electrical Interfaces In The Downlink Direction, Converging At An Ip Switching Center Or A Large Capacity Layer 3 Switch In The Uplink Direction Via A Gbe Interface Or Link Aggregation.