1000BASE-LX, Small Form-factor Pluggable (SFP), 1310nm Transmitter Wavelength, LC Connector, Single-mode Fiber (SMF), up to 10km reach, Digital Diagnostics Function (DDM) Optional
1000BASE-LX, Small Form-factor Pluggable (SFP), 1310nm Transmitter Wavelength, LC Connector, Single-mode Fiber (SMF), Digital Diagnostics Function (DDM), up to 40km reach