D-Link DGS-3120-48PC/SI Brand New The D-link DGS-3120-48PC/SI is a xStack managed 48-port gigabit stackable L2 poe switch designed to connect end users in a secure SMB or enterprise network. The switch is available with standard image and enhanced image software. The switch features enhanced network reliability and comprehensive security. The DGS-3120-48PC/SI implements a rich set of multilayer QoS/CoS features to ensure that critical network services like VoIP, video conference, IPTV and IP surveillance are served with high priority. The switch supports various IPv6 functions such as IPv6 ACL, DHCPv6 Snooping and Neighbor Discovery Snooping. The switch is incorporated with proactive and effective network management. DGS-3120-48PC/SI Features 48 Gigabit Ethernet Ports 44 10/100/1000 BASE-T Ports 4 Combo 10/100/1000 BASE-T/SFP Ports Number of Ports 48 Switching Capacity 136 Gb/s Ram Buffer 2 MB Max. Forwarding Rate 101.19 Mpps MTBF 223,006 Hours Managed Switch IEEE 802.3x Flow Control D-Link Green Technology 802.3af 802.3at PoE Compliant Safeguard Engine Security Protects Against Traffic Flooding Caused by Virus Attacks Access Control List Screens Traffic from Illegal MAC or IP Addresses Single IP Management Virtual Stacking Reduces IP Addresses Needed on a Network Configures Up to 32 Devices to Appear as a Single Unit w/ 1 IP Address Bandwidth Control Quality of Service QoS