According to the Ericsson company’s equipment TRA (Transcoder Rate Adapter) devs’ working princliple and the way to monitor
find out three types of the TRA devs’fault which occurred most frequency
(TRA congestion
alarm of TRA devs’ mean hold time occupancy and the resessive fault of TRA).Point out that base on the nerwork’s status how we could handle the TRA devs’ fault quickly and accurately.