Cisco ONS 15454 Hardware Installation Manual page 223

Installing the ONS 15454 M2 Shelf
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 118: Installing the left vertical air plenum
Step 6
Install the vertical air plenum to the right of the horizontal air plenum. Follow step 5a to 5c.
Figure 119: Installing the right vertical air plenum
Step 7 Install the ANSI 19-inch mounting brackets on both sides of the chassis in front position. See
Mounting the Bracket with Air Deflectors (Front-to-Top) on the ONS 15454 M2 Shelf for ETSI Rack
Configuration, on page
Step 8 Install the ONS 15454 M2 empty chassis below the horizontal plenum.
DLP-G765 Install Air Plenum for ONS 15454 M2 Shelf in ETSI Configuration
208.
Cisco ONS 15454 Hardware Installation Guide
DLP-G588
193