... transmit 2) 500Kbps the highest rate 1) Auto sense serial signal rate, zero delay automatic transmit2) 500Kbps the highest rate3) ... Supply three interface (RS232/485/422)4) Multi-mode 2km, signal-mode 20, 25, 40, 60, 100kmSpecifications:1) Standard ... auto serial band rate test9) Fiber wavelength: multi-mode 850nm, signal-mode 1,310nm10) Electricity port transmission: RS-232 port 15m ...