OLT-200 User Manual - CTC Union Technologies Co.,Ltd.

EPON OLT User Guideeliminated, ACO LED will become OFF.• ACO-LED TEST Switch: You can push the switch to right. The system willperform LED test function. All the LEDs except power LED of SCU andEPU card will be ON during the test. When you push back the switch, allthe LEDs will become their original status.The LED indications of SCU card are described as follows:SCU LED Status LEDPWRLNK100MFANEAMTAMPower is turned onPower is turned offNMS Link is established, but no datatransmissionTransmitting DataNo NMS connectionInitializingConnection Speed is 100MConnection Speed is 10MSCU InitializingFAN alarmFAN in normal operationInitializingEquipment has alarmEquipment (OLT) in normal operationInitializingTransmission AlarmTransmission no alarmSCU initializingOn (Green)OffOn (Green)Blink (Green)OffBlink (Green)On (Green)OFFBlink (Green)ON (RED)OFFBlink (RED)ON (RED)OFFBlink (RED)ON (RED)OFFBlink (RED)16