Installing the ONS 15454 M12 (ANSI and ETSI) Shelf
Typical DWDM Rack Layouts
Figure 62: Typical DWDM Equipment Layout in an ONS 15454 ANSI Rack
If you are installing a patch-panel or fiber-storage tray below the ONS 15454 shelf, you must install the air
ramp between the shelf and patch-panel tray/fiber-management tray, or leave one rack unit (RU) space open.
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