No module port provided, able to use distribution frame tubular dust cover, beautiful in matching.
不配备模块的端口, 可以使用配线架空口防尘盖板, 配合美观.
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All the fiber cables entering the Optical Distribution Frame should marked the related information observably.
所有进出光纤分配架的光纤,都要按在醒目位置标明相关信息.
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