描述
变频器系统的接地更应当注意系统的安全性和防止其它系统干扰。一般来说工作状态下变频器系统接地不能直接和防雷地线相连,否则将有杂散电流进入变频器系统引起信号干扰。正确的连接方式应当在地下将两个不同地网,通过放电器低压避雷器连接,使其在雷击状态下自动连通。
JDS Uniphase 6×6 SG Matrix Fiber Optic Switch JDSU
JDS UNIPHASE SB 1X14 FIBER OPTIC SWITCH MM FC MULTIMODE
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JDS UNIPHASE SB 1X12 FIBER OPTIC SWITCH MM FC MULTIMODE
JDS Uniphase SG44-Z0013U
JDS Uniphase 1×24 SB Fiber Optic Switch JDSU – GOOD
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