Communication link monitoring alarm system based on ICMP protocol

The utility model relates to the technical field of communication, in particular to a communication link monitoring and warning system based on an ICMP protocol, which comprises a monitoring computer and a monitoring device used for monitoring the monitoring computer, the monitoring device is arranged in the monitoring computer, the monitoring computer is externally connected with a sound box used for producing warning information, and the sound box is connected with the monitoring computer. The monitoring device is connected with a sound sensor which is used for acquiring warning sound information of the sound equipment, and an SIM (Subscriber Identity Module) card is arranged in the sound sensor and is used for communicating with a mobile terminal so as to inform post personnel holding the mobile terminal. The problem that major secondary disasters are prone to being caused is solved, unattended operation and automation are achieved, investment of human resources is reduced, and cost is reduced. 本实用新型涉及通讯技术