Juniper SRX-SFP-1GE-LX. Interface type: SFP, Data transfer rate (max): 1000 Mbit/s, SFP transceiver type: LX. Output voltage: 3.3 V. Operating temperature range (T-T): 0 - 70 °C, Storage temperature range (T-T): -40 - 85 °C. Receive power: -25 dBmW