1000BASE-LX, Small Form-factor Pluggable (SFP), 1310nm Transmitter Wavelength, LC Connector, Single-mode Fiber (SMF), Digital Diagnostics Function (DDM), up to 15km reach
1000BASE-ZX, Small Form-factor Pluggable (SFP), 1550nm Transmitter Wavelength, LC Connector, Single-mode Fiber (SMF), Digital Diagnostics Function (DDM), up to 40km reach