Software black-box testing tool for railway signaling system by real interface

The railway signaling system is being converted to the computer system from the exiting electrical equipment, and then the dependency on software is being increased. So far, the software validation has been mainly dependent profess, the these methodology is just depended to software experts as a tester. So it is our situation where not only validation of the document on safety activities being required, but also another automatci testing tool for vital railway signaling software. There were difficult to take advantage at the existing software black-box testing tool like usage of internal memory access of target system. This paper have proposed a new black-box testing tools with enhanced usability and the represents the design and prototype result for proposed tool.