Digital program controltelephone exchanger provides autotelephone(P) service for various ships. This equipment can form complete, modernand multifunctional auto telephone system together with difference kinds of marine auto telephones. The hardware for this system introduces utralarge scale communication chip. special digital signal process chip. FPGA programmable logic chip and so on, which ensure system low powe1os high tircienoy ong ife and ihreliaiiy Moreow pubic units are hot packu and same siaitchinl alnit ards suport hot swa and standby working mode.

Auto telephone system(IP).pdf