Patent ID: 9609706
Date: 2017-03-28
CPC Classifications: H02J,H04L,H05B

Claim:
1. A power over Ethernet emergency luminaire, comprising: a first power over Ethernet input connected to a power over Ethernet (“POE”) port link segment; a rechargeable emergency battery pack having a battery charger, a rechargeable battery and an emergency LED driver connected to a first input of a relaying device having a first and a second input alternatively switchable to an output; a normal lighting LED driver connected to the second input of the relaying device; an LED lamp connected to the output of the relaying device; and a power loss monitor for detecting a loss of power from the normal lighting LED driver, and connected to a controller such that when power is lost at the normal lighting LED driver, the first input of the relaying device is connected to the LED lamp, but when the normal LED driver has power, the second input of the relaying device is connected to the LED lamp.