About This Item Overview DetailsPSFP-1000D-S2LC80-XT - Gigabit SFP Small Form Pluggable - 1000BASE-ZX 1550nm single mode (LC) [80 km/49.8 miles].-40 to 85C industrial extended operating temperature. DOM ( DMI ) - Digital Optical Monitoring. ( GLC-ZX-SM-RGD ) - 05059040 Drivers & Downloads Drivers & Downloads