Designed for Pickering PXI, PCI, or LXI products, eBIRST Switching System Test Tools identify faulty relays and display graphical representation of switching system’s PCB assembly, highlighting relays that need to be replaced. Three tools support 200-way LFH, 78-way D, and 50-way D connectors, while set of adapters allow connection to other connector types. Application program controls tools via USB2 connection that also provides power and controls switching system using Test Definition File.