1000BASE-ZX, up to 2.125 Gbps Data Rate, 1550nm Transmitter Wavelength, Digital Diagnostics Function (DDM), LC Connector, Single-mode Fiber (SMF), up to 100km reach
1000BASE-SX, up to 2.125 Gbps Data Rate, Small Form-factor Pluggable (SFP), 850nm Transmitter Wavelength, Digital Diagnostics Function (DDM), LC Connector, Multi-mode Fiber (MMF), up to 500 meter reach