Visual feedback systems and methods implementing the system are disclosed that use computer generated images of lost limbs to display visual images of the limb being used in activities on a display unit providing visual feedback of the use of the missing limb to the brain to ameliorate, reduce, treat or eliminate phantom limb pain. A mux-node receives communication signals from a head-end and forwards the received communication signals to one or more mini-fiber nodes. A sealing member is disposed in a slot in the anvil.