Cisco ONS 15454 Hardware Installation Manual page 216

DLP-G763 Install Air Plenum for ONS 15454 M2 Shelf in ANSI 19-inch Configuration
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 108: Installing the left vertical air plenum
Step 4 Install the vertical air plenum to the right of the horizontal air plenum. Follow step 3a to 3c.
Figure 109: Installing the right vertical air plenum
Step 5 Install the 19-inch standard brackets on both sides of the chassis in the front position. See
the 19-inch Brackets on the ONS 15454 M2 Shelf for ANSI Rack Configuration, on page
Step 6 Install the ONS 15454 M2 empty chassis below the horizontal plenum.
Cisco ONS 15454 Hardware Installation Guide
186
Installing the ONS 15454 M2 Shelf
DLP-G582 Mounting
197.