Allied Telesis 1000ZX (LC) SFP, 80km, 1550nm, 1250 Mbit/s, 3149606.3" (80000 m), 1550 nm, -5 - 70 °C, -40 - 85 °C, 0 - 85% Allied Telesis 1000ZX (LC) SFP, 80km, 1550nm. Maximum data transfer rate: 1250 Mbit/s, Maximum transfer distance: 3149606.3" (80000 m), Wavelength: 1550 nm. Transmit power range: 0 / 2 / -3 (min/typ/max)