The D-Link DES-5216FX is a 16-port Fast Ethernet 100Mbps fiber optic switch that includes SNMP management and expansion capabilities. It offers Fast Ethernet connections, advanced network management and two 32-bit expansion slots for additional fiber optic*, ISDN*, ATM*, and Gigabit Ethernet* modules. The DES-5216FX allows users to add ports, upgrade to higher bandwidth options and connect to remote sites in a cost-effective way.