摘要
主要陈述用户交换机使用中运行环境的重要性,从建筑、环境、电气、配套设备、预防性维护和纠正性维护等方面着手,对由此引发的故障进行分析。
Intruduces the importance of running circumstance about Private Automatic Branch exchange (PABX). Analyzes its failure reasons caused by machine room,environment and electrical system. Introduces its maintenance methods.
出处
《电力系统通信》
2004年第2期58-60,64,共4页
Telecommunications for Electric Power System
关键词
用户交换机
使用环境
维护日志
防静电措施
electric power supply
protection of exorbitant voltage and current
temperature in machine room
electrostatic prevention
