Cisco ONS 15454 Hardware Installation Manual page 309

Installing the ONS 15454 M6 Shelf
Figure 178: Minimum rear opening for ANSI 19-inch and ETSI configuration
NTP-G344 Install the Air Plenum in ONS 15454 M6 Shelf
Purpose
Tools/Equipment
Required/As Needed
Onsite/Remote
Security Level
Warning
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Statement 1074
Warning
Before working on a chassis or working near power supplies, unplug the power cord on AC units.
Statement 246
This procedure installs the air plenum to orient the air flow from front-to- back
direction in the ONS 15454 M6 shelf.
• #2 Phillips Dynamometric screwdriver
• Medium slot-head screwdriver
• Small slot-head screwdriver
• Screws
• ANSI: #12-24 x 0.50 pan-head Phillips screws
• ETSI: M6.0 x 20 pan-head Phillips screws
• Wing head screws (8)
• Adapter plates
• One air plenum kit (horizontal and vertical air plenums)
As needed
Onsite
None
NTP-G344 Install the Air Plenum in ONS 15454 M6 Shelf
Cisco ONS 15454 Hardware Installation Guide
279