Background
The subway system, the vein of the modern metropolis, has changed the mode of urban transportation. The construction and operation of the subway system has brought good business opportunities.
However, after the accident, the number of casualties in subway accidents has increased significantly in recent years. Metro construction and operation companies need the latest safety management methods and technologies to prevent accidents and minimize casualties when accidents occur. Someone Networking customer has developed a comprehensive subway station environmental monitoring solution, which can monitor the subway station environment in real time, early warning of accidents and emergencies, and the safety protection of the subway system. Someone is honored to be able to contribute to this solution.
System requirements
● Support multiple ring protocols, including RSTP, G.8032 and iRing
< p>● The instant bell response time is within 50ms
● VLAN partitioning and data isolation
● Support DRSTP
● Reliable operation under extreme temperatures, for example As low as -45℃ or as high as +85℃
● EMC reaches level 4
Advantages
A character networking 4G industrial router can provide a stable mobile network for subway stations, connect all PLCs and I/O nodes, and fully monitor the environment and related controls of the subway station:
● Use high reliability And a stable 4G industrial router.
● Support RSTP / STP fast recovery loop, self-loop recovery is less than 50ms
● It can be combined with other brand products (support RSTP / STP) to establish a ring hybrid to meet network compatibility requirements< /p>
● The human 4G industrial router has high reliability, can run stably for a long time under harsh working conditions, and the working temperature is -20℃~+85℃.