Three PON ports generated 85% of severe optical degradation port-hours observed in this operator's 90-day window.
Existing workflows treated the evidence as isolated household events.
OLT-A03.M1.PD7[2/601]
42 concurrent impaired ONUs of 64 total
Continuous since 2026-02-19
HAUNTED8 contacts
OLT-A12.M2.PD3[2/5]
17 concurrent impaired ONUs of 23 total
Continuous since 2026-02-13
HAUNTED2 contacts
OLT-A18.M1.PD9[4/8]
6 concurrent impaired ONUs of 59 total
Continuous since 2026-03-05
CHRONIC0 contacts