SFP-GSM-40K IE-SFP/1250-ED，单模1550/ LONG-LC 40km（也被称为BB-808-38204）

• Speed 1.25G
• Optical Mode Single-mode
• Optical Wavelength 1550 nm
• Optical Connector Duplex LC
• Max. Distance 40 km
• Operating Temperature -40 to +85°C (-40 to +185°F)