HP J4121A 10/100BASE-T 40PT 4000M PROCURVE SWITCH

This is a feature-rich, modular 10/100/Gigabit switch that provides scalable, low-cost switching and all the benefits of HP Proactive Networking. It is ideal for medium-to-large businesses looking for scalable, expandable, low-cost migration to 10/100/Gigabit switching to the desktop. It features easy installation with 40 autosensing 10/100 ports that support any combination of 10Mbps and 100Mbps connections with no configuration required and with open universal slots that accept any combination of modules, advanced monitoring with RMON (4 groups) and RMON extensions, IEEE 802.1Q VLAN tagging which puts a secure firewall between workgroups, port mirroring which lets you monitor any combination of ports with a single RMON probe, and IP multicast (IGMP) software that prevents the flooding of multicast video traffic and supports QoS for IP multicast traffic.