Description
系统信号电缆的屏蔽层不能浮空，其接地方式应符合下列规定：当信号源浮空时，屏蔽层应在PC计算机侧接地；当信号源接地时，屏蔽层应在信号源侧接地；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。当屏蔽电缆途经接线盒分断或合并时
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