The basic theory and simulation tools - CPN Tools of Colored Petri Nets are introduced in this paper. The common flow and correlative parameters of BDAR for communication equipment are described, and then CPN model of BDAR system is built, and one instance is simulated successfully. The improvement project of BDAR system is presented by analyzing the results of the original project, and system effectiveness optimization is realized ultimately. The result proves that BDAR system model for communication equipment in this paper is scientific and practical.