Telephone Connecting And Switching Group

The Telephone Connecting and Switching Group is a subset of the supply class Telephone and Telegraph Equipment, which falls under the supply group of Communication Equipment. This group includes various components and devices that are used for connecting and switching telephone calls.

On the other hand, Coherent Radiation Equipment Detection Communication refers to a different supply group that focuses on equipment used for detecting and communicating with coherent radiation. This can include devices such as laser communication systems, coherent radar systems, and other equipment that utilize coherent radiation for detection and communication purposes.