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.
The Diabetic Foot. Monofilament Test. Peripheral neuropathy (PN), or nerve damage of the extremities, is one of the most common complications of diabetes (60 percent of all people with the disease develop it at some point). Symptoms include burning, tingling, numbness, a prickly sensation (like pins and needles), and muscle weakness.