The clock system is composed of master and slave clock, satellite antenna, movement and multi-channel switch.Due to the airport on time accurate requirements more stringent, so it's need a system clock timing, and within the local area network (LAN) on all the equipment of a clock.The clock synchronization network is consistent with all the equipment in time, ensure the airport within the self-service ticket machine, monitoring and control system, computer, entrance guard system, auxiliary lighting, emergency broadcasting system, a key alarm system devices such as time accurate, avoid the plane travel time delay and the airport working time error, caused by the loss.
