The HPNA light is only on if a device is using that connection, usually a STB connected via coax (can be over twisted pair in rare situations like apartments). It sounds like your setup uses ethernet which would not turn on the HPNA light.
The previous scene is an excerpt from Brain on Fire: My Month of Madness, and just one of many hallucinations Susannah Cahalan experienced in 2009 during her month-long hospital stay, in which she was diagnosed with a rare neurological autoimmune disease, known as anti-NMDA receptor encephalitis.
If so, he promptly decided to have an acute attack of paresis. The Opened Shutters Clara Louise Burnham. Mr. Walton is now an inmate of a sanitarium, a victim of paresis. A Woman of the World Ella Wheeler Wilcox. It was not the fear of paresis, or of any other consequence of the disease. The Third Great Plague John H. Stokes. These were nystagmus, paresis of facial muscles, laryngeal spasms, etc.