D-Link India Limited manufactures 24-Port 10/100Mpbs with Four Port 10/100/1000Mbps Copper and Two Combo Copper/SFP Smart Switch. D-Link India Limited is an ISO 9001:2000 and ISO 14001:1996 certified company. It is a cost-effective switch, applicable for the small and medium business that requires management features like VLAN segmentation, QoS prioritization, and secure 802.1x login and authentication, showcased in a low-cost, easy-to-configure, and GUI managed `smart` business solution. This switch comes with 24 10/100BASE-TX Fast Ethernet ports, 4 1000Base-T ports and two combo ports for flexible copper or fiber Gigabit connections to storage area network devices, servers, or core switching solutions. It supports 24 ports of POE up to 15.4 watts to power PD devices such as APs, phones, and cameras. The Graphical User Interface allows implementing Quality of Service [QoS], VLANs and security without having to go through complex command line management. 24-Port 10/100Mpbs with Four Port 10/100/1000Mbps Copper and Two Combo Copper/SFP Smart Switch incorporates advanced mechanisms to detect an attack against the central processing unit of the switch.