The use of Power over Ethernet (PoE) in industrial settings has increased rapidly in the last 10 years.
At one time, communications between devices happened over an RS232 or RS485 physical layer which provided slow, inflexible but reliable communications.
Then came PoE, a communication protocol that’s fast, can be used for almost any purpose, and is cost effective.
What is PoE?
According to Paul Savage, CEO of