描述
1当信号源浮空时,屏蔽层应在计算机侧接地;
2当信号源接地时,屏蔽层应在信号源侧接地;
3当放大器浮空时,屏蔽层的一端与屏蔽罩相连,另一端宜接共模地(当信号源接地时,接信号地。当信号源浮空时接现场地);
4当屏蔽电缆途经接线盒分断或合并时,应在接线盒内将其两端电缆的屏蔽层连接。
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