Table Of Contents
Installing the Fan-Tray Assembly in the
Cisco ONS 15310-MAFan Speed and Power Requirements
Fan-Tray Assembly Specifications
Obtaining Documentation, Obtaining Support, and Security Guidelines
Installing the Fan-Tray Assembly in the
Cisco ONS 15310-MA
Product Name: 15310-MA-FTA
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:
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Fan-Tray Assembly Description
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Fan-Tray Assembly Description
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.
Figure 1 shows the location of the fan tray.
Figure 1 Installing the Fan-Tray Assembly
Fan Speed and Power Requirements
Fan speed is controlled by CTX2500 card temperature sensors. The sensors measure the input air temperature at the fan-tray assembly.
Fan Failure
If one or more fans fail on the fan-tray assembly, replace the entire assembly. You cannot replace individual fans. The red Fan Fail LED on the front of the fan tray illuminates when one or more fans fail. For fan tray replacement instructions, refer to the Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide. The red Fan Fail LED is unlit after you install a working fan tray.
Air Filter
The ONS 15310-MA uses a reusable air filter; Model 15310-MA-FTF, that is installed above the fan-tray assembly. The reusable filter is made of a gray, open-cell, polyurethane foam that is specially coated to provide fire and fungi resistance. Spare filters should be kept in stock.
Caution
Fan-Tray Assembly Specifications
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Install the Fan-Tray Assembly
The following parts are needed to install the fan-tray assembly.
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Caution
Step 1
Step 2
Figure 2 Installing the Fan-Tray Air Filter
Step 3
Step 4
Step 5
Step 6
Step 7
Related Documentation
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Obtaining Documentation, Obtaining Support, and Security Guidelines
For information on obtaining documentation, obtaining support, providing documentation feedback, security guidelines, and also recommended aliases and general Cisco documents, see the monthly What's New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at:
http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html
This document is to be used in conjunction with the documents listed in the "Related Documentation" section.
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