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.
She was at the forefront of promoting what is known as televisiting, to link inmates in upstate New York prisons to their families in urban areas. Dr. Phyllis Harrison-Ross, a pioneering black pediatrician, psychiatrist, prison monitor and mental health administrator, died on Jan. 16 in Manhattan. She was 80. The cause was lung cancer, Elinor Tatum, her goddaughter and the publisher of The New York Amsterdam News, said.