D-Link India Limited manufactures 48-port 10/100Mbps L2 Managed Stackable Switch with Two Combo 1000Base-T/ SFP ports. D-Link India Limited is an ISO 9001:2000 and ISO 14001:1996 certified company. This device is a high-performance, managed, stackable Layer 2 switch that provides an ideal solution for workgroups and departments. The D-Link Single IP Management [SIM] technology allows a virtual stack of up to 32 DES-3526 and/or DES-3550 dispersed switches to be stacked through a single IP address. The entire virtual stack can be managed via a single IP address for simplified network administration. Equipped with 48 10/100 ports and two Gigabit uplinks, the 48-port 10/100Mbps L2 Managed Stackable Switch with Two Combo 1000Base-T/ SFP ports is ideal for high density applications. This device feature L2 Switching utilizing a 13.6Gbps switch capacity and offers support for 8,000 MAC addresses. D-Link India Limited 48-port 10/100Mbps L2 Managed Stackable Switch with 2 Combo 1000Base-T/ SFP ports the DES-3550 is a wire-speed, high performance switch that features robust security & L2/L3/L4 Multi-Layer QoS.