西门子840D系统NCU指示灯说明(作者: zwmwcj)
1. NCU 上的七段显示码： 表示“An error was identified in the cyclical operation.” 一个错误是确定的周期性运作。
0 表示“Real mode may have been switched to Protected mode.” 真正的模式可能已经切换到保护模式。
1 表示“Start of download from the PCMCIA card.” 开始下载PCMCIA卡。 (Number with decimal point 号码小数点） 表示：“The number of the module that has just been downloaded appears
on the status display.” 在一些模块，刚刚被下载上的状态显示。
2 表示“Download from the PCMCIA card has ended successful.” 下载PCMCIA卡已经结束成功。
3 表示“The debug monitor is initialized.” 调试监测初始化。
4 表示“Operating system was downloaded successfully.” 操作系统成功下载。
5 表示“Operating system has started up.” 操作系统启动。
6 表示“NCK software is initialized.” NCK 软件初始化。