The system can detect, collect and keep the faults of MDF at runtime, report the faults to supervision center via PSTN, and send out the maintenance request to serviceman via the voice phone or beep-pager automatically.

• 系统对MDF上的故障实行实时监测和采集，故障信息自动记录在前台机内，并可通过PSTN上报到监控中心、拨通预留的语音电话或自动寻呼机来发出维护请求。