Solution

Based on the pilot practice of small and micro stations, the differences between PON-IPRAN and PON-LAN networking methods are analyzed from the perspective of network structure, ne ...

There is a feature called "One room with multiple cables." in traditional hotels. There are many cables in a room. In general, there are many business systems in hotels' rooms, com ...

Discerning project is also called "Project of risks' prevention and control to public security", based on the comprehensive management center at the county, township, and village l ...

The emergency telephone system and tunnel broadcasts system are dedicated systems to provide emergency assistance to those who seek for help, which can also provide road emergency ...