BM-500GE / BB-500GE116.2.2 Recommended External Output circuit diagram for customerFig.6. External Output Circuit, OPT OUT 1 and 26.2.3 Optical Interface SpecificationsThe relation of the Input signal and the output signal through optical interface is as follows.Fig.7. Optical Interface PerformanceUser Power(VCC)3.3V 5V 12V 24VTime Delay Rise TDR (us) 0.54 0.54 0.62 0.68Rise Time RT (us) 1.2 1.2 2.0 3.0Time Delay Fall TDF (us) 1.5 1.5 2.4 2.1Fall Time FT (us) 3.6 3.4 4.5 6.8