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.
I am currently in need of some housekeeping help. My mom lives with me and we found out about 6 weeks ago that she has kidney disease. 2-3 weeks after that, she developed pneumonia. While in the hospital, she had a bad reaction to a blood transfusion that caused her to be transported to Vanderbilt Critical Care Unit, where she is currently.