D-Link 250m Long Range PoE Smart Switch Solution (6Kv, QoS, VLAN, Extended 250m PoE) - YouTube
D-Link (DGS1024D) 24 Port 10/100/1000 Rack mountable Switch | Staples
ITOS Solutions for Life - D Link 12-Port Gigabit Fiber Metro Ethernet Switch P/N: DGS-1210-12TS/ME Efficient and resilient Gigabit performance for Metro Ethernet applications. 10 x SFP ports 2 x 10/100/1000BASE-T ports