Cisco Systems 5000 manual Fan Modules, Fail top and OK bottom LEDs Release latch Handle

Chapter 1 Overview

Cisco Nexus 5500 Platform Switches

Se n d d o c u m e n t a t i o n c o m m e n t s t o n ex u s 5 k d o c s @ c i s c o . c o m .

The Cisco Nexus 5548UP has front-to-back or back-to-front airflow. The Cisco Nexus 5548P has front-to-back airflow only. Figure 1-25shows the AC power supply, with two LEDs: one for power status and one for failure condition.

Figure 1-25 AC Power Supply for the Cisco Nexus 5548 Switch

1 2 3

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1	FAIL (top) and OK (bottom) LEDs	3	Release latch
2	Handle

For information on each of the LEDs, see Table D-1 on page D-2. To see how combinations of these LED states indicate specific conditions, see the “Power Supply Conditions” section on page E-2.

Note Never leave a power supply slot empty. If you remove a power supply, replace it with another one. If you do not have a replacement power supply, leave the non functioning one in place until you can replace it.

For the specifications of this power supply, see Table B-11 on page B-4.

Caution The airflow direction should be the same for power suplies and fan modules.

Fan Modules

The Cisco Nexus 5548 switch requires two fan modules. Each fan module has four fans. If more than one fan fails in one of these modules, you must replace the module. Figure 1-26identifies the components that you use to install or troubleshoot these modules.

	Cisco Nexus 5000 Series Hardware Installation Guide
OL-15902-01		1-25