Cisco Cisco ONS 15454 SONET Multiservice Provisioning Platform (MSPP) Guida All'Installazione

© 2007 Cisco Systems, Inc. All rights reserved.

Product Name: 15454-CC-FTA (Cisco ONS 15454) and 15454E-CC-FTA (Cisco ONS 15454 SDH)

This document explains how to install the fan-tray assembly in the Cisco ONS 15454 and Cisco 
ONS 15454 SDH. It also contains a description of the fan-tray assembly, installation equipment and 
procedures, and a list of specifications. As appropriate, use this document in conjunction with the 
Cisco ONS 15454 Procedure Guide or Cisco ONS 15454 SDH Procedure Guide, the Cisco ONS 15454 
Reference Manual or Cisco ONS 15454 SDH Reference Manual, and the Cisco ONS 15454 
Troubleshooting Guide or Cisco ONS 15454 SDH Troubleshooting Guide when working with the 
fan-tray assembly.

This document contains the following sections:

The fan-tray assembly is located at the bottom of the ONS 15454 or ONS 15454 SDH shelf assembly. 
The fan tray is a removable drawer that holds fans and fan-control circuitry for the ONS 15454 or 
ONS 15454 SDH. The front door of the shelf assembly can be left in place or removed before installing 
the fan-tray assembly. After you install the fan tray, you should only need to access it if a fan failure 
occurs or if you need to replace or clean the fan-tray air filter. 

 shows the location of the fan tray.