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Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
August 2005
Chapter 1 Install the Shelf and Common Control Cards
DLP-G4 Install the External Brackets and Air Filter (ANSI Only)
Figure 1-1 Reversing the Mounting Brackets (23-inch [584.2-mm] Position to 19-inch [482.6-mm] Position
Step 7
Return to your originating procedure (NTP).
DLP-G4 Install the External Brackets and Air Filter (ANSI Only)
Note If you choose not to install the brackets, install the air filter by sliding it into the compartment at the
bottom of the shelf assembly. Each time you remove and reinstall the air filter in the future, you must
first remove the fan-tray assembly. Do not install an air filter in both filter locations on any shelf
assembly.
Purpose This task installs the external brackets and air filter on the bottom of the
shelf rather than below the fan-tray assembly. Installing the external
brackets and air filter on the bottom of the shelf enables access to the air
filter without removing the fan-tray assembly. This task applies to the
ONS 15454 ANSI shelf only.
Tools/Equipment #2 Phillips screwdriver
Medium slot-head screwdriver
Small slot-head screwdriver
Prerequisite Procedures DLP-G3 Reverse the Mounting Bracket to Fit a 19-inch (482.6-mm) Rack
(ANSI Only), page 1-10, if applicable
Required/As Needed As needed
Onsite/Remote Onsite
Security Level None
Top of unit Side of unit
Top of unit
19 in. (482.6 mm) position
23 in. (584.2 mm)
mounting holes
23 in. (584.2 mm) position
47869
Mounting
L brackets
Front
Mounting
L brackets
Rear
Front
Rear
Rear Front
19 in. (482.6 mm)
mounting holes