About This Item Overview DetailsPSFP-1000D-S2LC20-XT - Gigabit SFP Small Form Pluggable - 1000Base-EX 1310nm single mode (LC) [20 km/12.4 miles]. -40 to 85C industrial extended operating temperature. DOM ( DMI ) - Digital Optical Monitoring - 05059470 Drivers & Downloads Drivers & Downloads