Cisco Cisco ONS 15310-MA SONET Multiservice Platform Guía De Instalación

© 2006 Cisco Systems, Inc. All rights reserved.

This document explains how to install the fan-tray assembly in the Cisco ONS 15310-MA. 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 15310-CL and 
Cisco ONS 15310-MA Procedure Guide, the Cisco ONS 15310-CL and Cisco ONS 15310-MA 
Reference Manual, and the Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide 
when working with the fan-tray assembly.

This document contains the following sections:

The fan-tray assembly is located at the top of the ONS 15310-MA shelf assembly, under the air filter, 
rear exhaust, and air inlet. The fan tray is a removable drawer that holds four fans and the fan-control 
circuitry for the ONS 15310-MA. After you install the fan tray, you should only need to access it if a fan 
failure occurs.

The front of the fan-tray assembly has CRIT, MAJ, and MIN alarm LEDs that indicate that there are 
Critical, Major, and Minor alarm present on the ONS 15310-MA assembly.

 shows the location of the fan tray.