Cisco ONS 15454 Hardware Installation Manual page 219

Installing the ONS 15454 M2 Shelf
Figure 112: Installing the horizontal air plenum in the ANSI 23-inch configuration
Step 5
Install the vertical air plenum to the left of the horizontal air plenum:
a) Insert the vertical air plenum in the free space between the horizontal air plenum and cabinet.
b) Install the wing head screws from the internal side of the horizontal plenum as shown in the following
figure.
c) Tighten the screws to a torque value of 11.5 in-lb (1.3 N-m).
Figure 113: Installing the left vertical air plenum
Step 6
Install the vertical plenum to the right of the horizontal air plenum. Follow step 5a to 5c.
DLP-G764 Install Air Plenum in ONS 15454 M2 Shelf for ANSI 23-inch Configuration
Cisco ONS 15454 Hardware Installation Guide
189