Cisco Cisco ONS 15310-MA SONET Multiservice Platform Guía De Instalación
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Installing the Fan-Tray Assembly in the Cisco ONS 15310-MA
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Fan-Tray Assembly Description
The front of the fan-tray assembly has CR, MJ, and MN alarm LEDs that indicate that there are Critical,
Major, and Minor alarm present on the ONS 15310-MA assembly.
Major, and Minor alarm present on the ONS 15310-MA assembly.
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.
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 turns off after you install a working fan tray.
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 turns off after you install a working fan tray.
Note
The red Fan Fail LED on the front of the fan tray illuminates when only one power source is connected
to the chassis, or any fuse blows.
to the chassis, or any fuse blows.
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