jda-2200 substation secondary anti-strength intrusion system fully meets the requirements of china national railway group co., ltd. transportation supply equipment letter  no. 325, which can remotely and centrally monitor the working status of lightning monitoring modules and lightning protection equipment to minimize the risk of electrical and electronic equipment suffering from lightning strikes or surge overvoltage overcurrent. the system can also perform historical data recording and statistics, and provide dynamic alerts on lightning strike prone locations. the jda-2200 substation secondary anti-strength intrusion system is designed with a layered distributed modular idea, and the system mainly includes three parts: lightning/surge monitoring module, lightning management unit, and intelligent terminal manager. the system can be installed centrally or decentralized to meet the needs of new and existing offices.