Which of the following is NOT part of the patching matrix?

The patching matrix is a crucial component in telecommunications infrastructure that helps manage and organize the various connections within a system. This matrix typically includes specific components that are used to establish reliable links between different devices and points in a network.

Coaxial jumpers, equipment cords, and wire cross connects are all integral elements of the patching matrix. Coaxial jumpers are used to connect devices to the coaxial cabling system, while equipment cords connect individual pieces of equipment to the network. Wire cross connects facilitate the connections between different types of wiring in the telecom systems, thereby ensuring signals can pass between network components effectively.

In contrast, network cable specifications do not pertain directly to the configuration of the patching matrix. Instead, they refer to the standards and guidelines that define how networks should be built and what types of cables should be used to achieve optimal performance. While knowing these specifications is beneficial for design and planning, they do not constitute a physical element of the patching matrix itself. Therefore, network cable specifications are the component that is not part of the patching matrix.