LeCroy CATC Universal Protocol Analyser System Model 2500H

Model US005AAB-XThe UPAS platform leverages CATC’s extensive expertise in communication protocols and its proprietary BusEngine™ protocol processor technology. The revolutionary BusEngine core incorporates a real-time
recording engine, sophisticated triggering and filtering logic, and configurable tools to effectively monitor data traffic.

Here is how UPAS works: 

Software is a free download from Teledyne LeCroy however we do have a copy which can be supplied with the analyser.

In good working condition, images form part of the description.