NK1003 cloud series optical cable intelligent monitoring module and system frame adopt 4U/2U/1U size, including embedded microprocessor module (NMU), Optical Time Domain Reflectometer module (OTDR), Optical Power Monitoring module (OPM), Optical Switching module (OSW), -power supply module (AC&DC), Optical Line Protection module (OLP), Wavelength Division Multiplexing module (WDM), Optical filter module (filter), etc. NK1003 integrates 4G network and connects with com puter network management seamlessly. Through network management, it can realize remote control and resource management of monitoring. It organically combines optical cable early warning monitoring, alarm, fault analysis, fault location, fault point management, link maintenance, link management and SMS alarm, so as to ensure the safe and efficient operation of communication optical cable Monitoring, repair, maintenance and management of optical -fiber physical network.