10/100BASE-TX transceiver MTBF more than 7 million hours, consistent with carrier-class operation standards Description PL-EF610-A1 Ethernet Fiber Transceiver high ... fiber, single mode single fiber and transmission distancel LED: Power, FX SD, FX Link/Act, TX 100, TX FDX, TX Link/Act ... %~95% non-condensingLED Indications1* power LED(Power: Green)1* FX SD, 1* FX Link/Act, 1* TX 100, 1* TX FDX, 1 ...