Intrusion detection - Alarm control and indicating equipment - Requirements.
侵入检测。报警控制和指示设备。要求。
Control and indicating equipment (c. i. e) meets the requirements of GB4717-1993. The test items include Electrical transient bursts , Electrostatic discharge , and Radiated electromagnetic fields.
火灾报警控制器应符合GB4717-1993 标准的要求。检测项目有：静电放电；辐射电磁场；电快速瞬变脉冲群。
Systems and Equipment should always have documentation at the dive site, indicating the record of inspection and other pertinent information about its performance history.
系统和设备应该在现场备有文件资料来证明其检测记录和其他使用情况记录。
The LOF is a condition transmitted in the physical overhead indicating that the receiving equipment has lost frame delineation .
滑码告警是在传输层标头标示设备有没有帧丢失！
The LOF is a condition transmitted in the physical overhead indicating that the receiving equipment has lost frame delineation .
滑码告警是在传输层标头标示设备有没有帧丢失！
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