Juniper SRX-SFP-1GE-SX 1000Base-SX Gigabit Ethernet 740-011613

Transceiver Type: SFP. Speed: Gigabit Ethernet. Distance: 550 m @ 50/125 µm, 275 m @ 62.5/125 µm. Cable type: MMF. Transmitter wavelengths (range): 850 nm. Standard: 1000BASE-SX.

eBay