Upward Cabling - Huawei OptiX PTN 3900 Quick Installation Manual

Packet transport platform of ptn series
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Installing and Routing Fibers
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Installing and Routing Fibers - Upward Cabling
When handling optical fibers, do not stand close to or look into the optic al fiber outlet directly with naked eyes.
If the two fiber holes have insufficient space for the fibers, you can also route fibers through the cable hole.
The pipe should extend into the cabinet by certain length so that the fibers routed in the cabinet is not in contact
with the upper beam.
The bend radius of the fiber must be greater than its minimum curvature radius. Specifically, the minimum
curvature radius for the 2 mm fiber jumper is 40 mm.
Bundle the fibers to ensure that the fibers do not contact the cabinet door.
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