Product NumberPort OnePort Two
1) TN-J4858C1000BASE-SX 850nm multimode (LC) [62.5/125 µm: 150 m/492 ft.; 50/125 µm: 300 m/984 ft.]
2) TN-J4859C1000BASE-LX 1310nm single mode (SC) [20 km/12.4 mi.]
3) TN-J4860C1000BASE-LX/ZX 1550nm (LC) single mode [80 km/49.7 mi.]