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.
Calamity Jane. Martha Jane Cannary, known as Calamity Jane (1852-1903), was a notorious American frontier woman in the days of the Wild West. As unconventional and wild as the territory she roamed, she has become a legend. The most likely date of Jane Cannary's birth is May 1, 1852, probably at Princeton, Mo.