Power Supplies; Power Supply - Cisco 5000 Series Hardware Installation Manual

Chapter 1 Cisco Nexus 5500 Platform Overview
S e 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 x 5 0 0 0 - d o c f e e d b a c k @ c i s c o . c o m

Power Supplies

The Cisco Nexus 5548 switch uses a front-end power supply. The chassis has slots for two power
supplies. Two power supplies can be used for redundancy, but the Cisco Nexus 5548 switch is fully
functional with one power supply.
power status and one for failure condition.
Figure 1-10
1
Table 1-1
Table 1-1
Power Supply Condition
No AC power to all power supplies.
Power supply failure, including overvoltage, overcurrent,
overtemperature, and fan failure.
Power supply warning events where the power supply
continues to operate. These events include high
temperature, high power, and slow fan.
AC present, 3.3 voltage standby (VSB) on, and the power
supply unit is off.
Power supply on and OK.
If you have one power supply is installed in the chassis, but the other power supply slot is empty,you
should use a blank fller panel to cover the empty slot. See
OL-15902-01
Power Supply for the Cisco Nexus 5548 Switch
Amber fail LED indicates a failure condition. 2
table lists the LED descriptions for the two power supplies.
Power Supply LED Descriptions
Figure 1-10 shows the power supply, which has two LEDs: one for
Green power LED indicates the power status.
Power LED Status
Off
Off
Off
Blinking
On
Figure 1-11
Cisco Nexus 5000 Series Hardware Installation Guide
Cisco Nexus 5548P Switch
Fail LED Status
Off
On
Blinking
Off
Off
1-9