IT Ethernet networks were first put to use in the office environment long before the advent of OT Ethernet networks carrying data to and from equipment in the harsher industrial environment of the factory floor. Perhaps that’s one reason why so many organizations, when building their vital latter-day factory OT networks, simply went back automatically to specifying what they knew—the same familiar cable that served them well on their enterprise side—without taking into account the added challenges of the industrial environment.