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Chapter 1
Overview
1
2
3
Never leave a power supply slot empty. If you remove a power supply, replace it with another one. If you
Note
do not have a replacement power supply, leave the non functioning one in place until you can replace it.
The Cisco Nexus 5548UP has front-to-back (port-side exhaust) or back-to-front (port-side intake)
airflow. The Cisco Nexus 5548P has front-to-back (port-side exhaust) airflow only.
the AC power supply, with two LEDs: one for power status and one for failure condition.
Figure 1-25
1
2
For information on each of the LEDs, see
states indicate specific conditions, see the
Never leave a power supply slot empty. If you remove a power supply, replace it with another one. If you
Note
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
The airflow direction should be the same for power supplies and fan modules.
Caution
Fan Modules
The Cisco Nexus 5548 switches require 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.
components that you use to install or troubleshoot these modules.
Handle
FAIL (left) and OK (right) LEDs
DC power receptacle
AC Power Supply for the Cisco Nexus 5548 Switch
FAIL (top) and OK (bottom) LEDs
Handle
4
Ejector latch
1
2
3
3
Release latch
Table D-1 on page
D-2. To see how combinations of these LED
"Power Supply Conditions" section on page
Table B-11 on page
Cisco Nexus 5000 Series Hardware Installation Guide
Cisco Nexus 5500 Platform Switches
Figure 1-25
E-2.
B-4.
Figure 1-26
identifies the
shows
1-25
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