View cart “D-Link 1 port 10/100/1000Base-T to 1000Base-LX Gigabit Ethernet photoelectric converter, single-mode single-fiber, can be used alone or with DMC-1200, TX:1550/RX:1310nm, maximum transmission 20km, SC Interface / dual power interface / wide voltage DC: 5-12v / need to be used in pairs” has been added to your cart.