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Huawei OptiX RTN PI-DC B20 Product Overview And Installation Manual page 13

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Installation Guide
Installing a PI
Close the cover of the PI and tighten all the screws on the cover.
6
NOTE
•Tighten the screws in sequence, as shown in the
following figure.
•Tighten all the screws on the cover (2.8±0.28 N· m).
1
2
5
(Optional) Mount the PI onto a wall.
7
Drill holes for mounting the PI.
Determine the positions for mounting the PI on the wall, drill holes, and install bolts. If multiple PIs need to be
mounted, reserve at lease 50 mm of space around each PI for ventilation.
Hole with Ф8 and a depth from
52 mm to 60 mm
Mark the
positions to
drill holes.
Mount the PI onto the wall.
Down
Holes for
mounting
onto a wall
Small flat
washer
Big flat
Nut
washer
CAUTION
•Before fastening the PI onto the wall, hole the PI to prevent it
from falling down.
•Before fastening the PI, ensure that its service cable holes all
face downwards.
Holes for
mounting
onto a wall
13

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