The YOKOGAWA DT100-11 is an I/O terminal for the DR232 recorder, manufactured by Yokogawa Electric Corporation.

I/O stands for Input/Output, so this device is likely responsible for handling the electrical signals that are sent to and from the recorder.

• Industrial Organization (I/O) Model: In economics, the Industrial Organization (I/O) Model is a framework for analyzing the behavior of firms in an industry. It focuses on the external environment of firms, such as market structure, technology, and government regulation.

• Input-Output Model: In economics, an Input-Output Model is a mathematical representation of the flow of goods and services between different sectors of an economy. It is used to analyze the impact of changes in one sector on the rest of the economy.