Trouble ticket service system, monitoring apparatus, and trouble ticket service method; for trouble ticket service system and monitoring apparatus use

摘要

A trouble ticket service system is capable of notifying information indicating the actual operation state thereof. A monitoring apparatus includes information analyzing software for distinguishing, according to alarm information and received electric field information from a microwave communication system including microwave communication apparatuses, the three states namely: device failure state, fading state, and early warning state, plus a mail transmitter for sending the three states as trouble tickets (e-mail messages).