Good used condition. Unit powers on and functional. 4 probe adapter cables shown and power cable are included. Case has some wear from previous use, cosmetic only. Reference images for item condition. The TMS818 probe adapter is designed to connect to a midbus or slot target system. This allows you to acquire data from a PCI Express Bus with little effect on the target system. When a probe adapter is connected to the target system, the signals from the PCI Express system flow through the probe head, into the preprocessor unit, and then through the LAI cables to the logic analyzer.