Patent ID: 9310870
Filing Date: 2016-04-12
CPC Classification: G01R,G06F,H02H,H04L

Claim Text:
1. A network appliance apparatus to convey communication signals over a communication network to other nodes thereof in accordance with a network protocol, the network node appliance receiving electrical power from an alternating current (AC) electrical power source, the network node appliance comprising: a communication circuit to perform network communication operations on the communication signals in accordance with the network protocol; a power conditioning circuit to produce conditioned electrical power from the received electrical power; a power monitor and control circuit electrically coupled to the power conditioning circuit to analyze the conditioned electrical power against established power criteria and to generate a switch control signal in a signal state corresponding to each of a plurality of events that occur when the respective power criteria are met; a switch circuit electrically interposed between the power conditioning circuit and the communication circuit to selectively provide the conditioned electrical power to the communication circuit in accordance with the state of the switch control signal; and a housing enclosing the communication circuit, the power conditioning circuit, the power monitor and control circuit and the switch circuit and having disposed thereon electrical and communication port connectors through which the electrical power and the communication signals are provided to the power conditioning circuit and the communication circuit, respectively.