Provides full-duplex 1000Mbps Ethernet operation in each direction for NETGEAR managed and smart switches. Drives Gigabit Ethernet up to 10 km (6.2 miles) distances with 9/125µm single mode fiber cables. Automatically detects the module, so you can simply plug it into an available module slot. Safety Certification: UL 60950-1, CSA-C22.2 No.60950-1