Building a test system without a plan for how to connect your instrumentation to your device under test (DUT) is like trying to drive your car without wheels.

Your car may have best-in-class horsepower, but you are never going to reach your destination.

Mass interconnects and test fixtures are where the rubber meets the road for automated test systems.

After determining your instrumentation, the number of switches and their location in the test system, the next step is to choose a suitable mass interconnect system and design a fixture that seamlessly connects your DUTs to the rest of the system.