Conclusion. Options: 1. normal(1) -indicates Normal 2. powerline(2) -indicates Contact of power lines 3. amix(3) -indicates A line mixed with others 4. bmix(4) -indicates B line mixed with others 5. abmix(5) -indicates Mixed with others (two lines) 6. agrnd(6) -indicates A line grounding 7. bgrnd(7) -indicates B line grounding 8. abgrnd(8) -indicates A and B grounding 9. selfmix(9) -indicates Self-mixed (small resistance, self-mixed) 10. abpoorinsulation(10) -indicates A-B poor insulation 11. agleak(11) -indicates A-ground leakage 12. bgleak(12) -indicates B-ground leakage 13. abgleak(13) -indicates A and B ground leakage 14. abgleak(14) -indicates A-B leakage 15. nomodem(15) -indicates Modem not connected 16. unknown(16) -indicates Unknown 17. abgrndorshortlinenoonu(50) -indicates A and B grounding or very short line without ONU 18. onunotexist(51) -indicates ONU not connected 19. normalwithonu(52) -indicates Normal, ONU04 connected 20. abmixnoonu(53) -indicates ONU04 not connected and A-B short circuit 21. singlegndnoonu(54) -indicatess ONU04 not connected, A or B line grounding 22. singlegndwithonu(55) -indicates ONU04 connected, A or B line grounding 23. singlecutoff(56) -indicates A or B line is cutoff