Cisco ONS 15454 Hardware Installation Manual page 222

DLP-G765 Install Air Plenum for ONS 15454 M2 Shelf in ETSI Configuration
Figure 116: Installing the adapter plates on the horizontal air plenum
Step 3
Place the horizontal plenum above the chassis slot in the ETSI cabinet.
Step 4 Insert the wing head screws provided with the kit, and tighten to a torque value of 11.5 in-lb (1.3 N-m).
Figure 117: Installing the horizontal air plenum in the ETSI configuration
Step 5 Install the vertical air plenum to the left of the horizontal air plenum:
a) Insert the vertical plenum in the free space between the horizontal plenum and cabinet.
Cisco ONS 15454 Hardware Installation Guide
192
Installing the ONS 15454 M2 Shelf