... multimode, single mode dual fiber, single mode single fiber and transmission distancel LED: Power, FX SD, FX Link/Act, TX 100, ... .l High-quality laser devices have good optical properties, electrical properties and temperature stabilityl MTBF more than 7 million hours, consistent ... 90% non-condensingStorage humidity 5%~95% non-condensingLED Indications1* power LED(Power: Green)1* FX SD, 1* FX Link/Act, ...