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Cisco Cisco ONS 15454 SONET Multiservice Provisioning Platform (MSPP) Guía De Diseño

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OL-4556-01
 
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Figure 6-6: Erasable Label Inside Front Door 
 
 
 
Figure 6-7: Laser Warning on the Front Door Label 
 
 
 
Fan Tray Assembly 
 
The fan tray assembly is located at the bottom of the ONS 15454 shelf assembly (see Figure 6-
8).  The fan tray is a removable drawer that holds fans and fan-control circuitry for the ONS 
15454.  The front door can be left in place when removing or installing the fan tray but removal is 
recommended. After you install the fan tray, you should only need to access it if a fan failure 
occurs or you need to replace or clean the fan-tray air filter.