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Locate the three left-side crossbeam mounting screws.
Step 2
Step 3
Use a Phillips screwdriver to remove the crossbeam mounting screws from the left side.
shows the location of the screws on the left side.
Figure 3-6
Remove screws
Step 4
Locate the three crossbeam mounting screws on the right side. Use a Phillips screwdriver to remove the
crossbeam mounting screws from the right side.
When the left- and right-side crossbeam mounting screws are removed, lift and remove the crossbeam
Step 5
from the passive optical shelf door.
Keep the transport crossbeam and the screws stored in a safe location for possible retrieval and
Note
reinstallation in case the equipment is moved to another location.
Procedure: Install the ONS 15252 MCU Fan Unit
You must install a fan unit in the equipment rack above each ONS 15252 MCU.
Caution
You must install the fan unit in a Release 1.0.1 shelf. Cisco does not recommend or support running
the Release 1.0.1 shelf without the fan unit. Equipment damage may result. For more information
about shelf versions, see the
Do not install the fan unit in a Release 1.0 shelf. Cisco does not recommend or support running the
Caution
Release 1.0 shelf with a fan unit. Equipment damage may result. For more information about shelf
versions, see the
Step 1
Insert the fan unit in the equipment rack. See the hole pattern for the fan unit in
Figure 3-7 on page 3-11
Cisco ONS 15200 Installation, Setup, and Test Manual
3-10
Removing the crossbeam screws
Crossbeam
"Shelf Version Considerations" procedure on page
"Shelf Version Considerations" procedure on page
shows the fan unit.
Chapter 3
Installation
Figure 3-6
3-5.
3-5.
Figure 3-4 on page
78-13765-01
3-8.
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