What should be used instead of short coaxial cable jumpers to ensure a solid connection between equipment housings?

Using housing-to-housing adapters to establish connections between equipment housings is ideal because these adapters are specifically designed to provide a stable and reliable connection between different housing units. They ensure that the signal integrity is maintained and that any potential signal loss or interference is minimized during the transmission between components.

In scenarios where short coaxial jumpers are inadequate, housing-to-housing adapters offer a more secure and robust option, allowing for easier alignment and connection while accommodating potential variations in equipment housing dimensions. They can also simplify the installation process, making it easier to connect and disconnect equipment without the risk of damaging the connectors or coaxial cables themselves.

The other options do not provide the same level of adaptability and security for connections between equipment housings. The use of standard coaxial cables or longer jumpers can lead to issues such as signal degradation if not properly managed, while direct wire connectors may not be designed to support the specific requirements of different housing configurations, resulting in unstable connections.