turn-out bell

A Practical technique which combines shaking bell start circuit with minitype program control exchanger to form an automatic atmosphere inspecting subordinate station is introduced,with the purpose of solving such problems as computer recovery when disturbed and lightening strike.

介绍了一种利用振铃起动电路与小型程控交换机结合,组成子站自动监测系统辅助装置的实用技术,以解决大气自动监测子站微机死机、受干扰后无法自动恢复正常工作和雷击问题。