Huawei PTN Series Quick Installation Manual page 9

3
Installing Optical Fibers
CAUTION
Wrap both ends of the corrugated pipe using tapes to prevent optical fibers from being cut.
NOTE
Do not use an open-end corrugated pipe to
hold excessive optical fibers. It is Inner pipe
recommended that an open-end
corrugated pipe that has a diameter of 32
mm accommodates 60 optical fibers at
Outer pipe
most, each with a diameter of 2 mm.
Ensure that about 10 cm of the open-end
corrugated pipe is inside the cabinet.
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