Cisco ONS 15454 Hardware Installation Manual page 318

DLP-G768 Install Pre-assembled Air Plenums in ANSI 23-inch Configuration
Step 6
Install the vertical air plenum to the right of the horizontal air plenum. Follow step 4.
Step 7 Install the horizontal air plenum above the vertical air plenums. Follow step 4.
Figure 190: Pre-assembling the air plenums
Step 8 Install the ANSI 23-inch adapter plates on the horizontal air plenums.
Step 9
Install the wing head screws provided with the kit, and tighten to a torque value of 11.5 in-lb (1.3 N-m).
Cisco ONS 15454 Hardware Installation Guide
288
Installing the ONS 15454 M6 Shelf