Access Network-Rural Automatic Exchange

Here  we  used automatic rural exchange which is used in remote areas  where number of connections are less and it is difficult to provide connections individually from local exchange to them .connectivity of AN-RAX to the network. Hardware architechture of this AN-RAX and usage and working of individual cards and its advantages over ordinary rural automatic rural exchange. Main features of AN-RAX and different levels of remoting it to the local exchange. call processing in AN-RAX  and how call is initiated and terminated using this in remote areas.