103.1Gb/s data transmission speed, using 4*25.78G LAN WDM DML laser transmitter and APD photoelectric detector, 9/125 μ m single-mode fiber transmission up to 80Km, hot-swappable SFP interface, LC/UPC pluggable optical interface, low power consumption, metal shell for reducing electromagnetic interference, in line with ROSA lead-free standard, single +3.3V power supply, support digital diagnosis and monitoring function, SFF-8472 protocol