Remote monitoring and diagnostics of devices based on distributed database system

The paper provides an overview of the problems connected with remote monitoring and diagnostics of rail signalling devices which are both distributed over a large area as well as highly diversified in terms of scope and format of the information that is made available. A diagnostic system, based on a distributed, relational database and a wireless data transmission system, has been presented in this paper as a solution to these problems. Moreover, the paper provides a description of the advantages of the solution in question that manifest themselves in the data collection, transmission, processing and presentation.