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Do summit switches load balance when using a redundant power supply?

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TitleDo summit switches load balance when using a redundant power supply?
Question
Do summit switches load balance when using a redundant power supply?
 
Environment
  • Summit Switch
Answer
In a redundant power configuration, both power supplies are fully fault-tolerant and load-sharing.
 
Additional notes
This information can be found on page 74 of the HW installation guide.

http://documentation.extremenetworks.com/summit/downloads/SummitFamily_HW_Install_EXOS21.pdf 
This document also covers details about the External Power Supplies and their installation procedure.

We can check the power information of the switch via CLI commands:
show power and 
show power detail

Sample outputs:
# show power
                     PSU-1 or  PSU-2 or
                     Internal  External  External  External  Power
Slots  Type          PSU       PSU       PSU       PSU       Usage
-------------------------------------------------------------------
Slot-1 X460-24t        P         P         -         -         63.84

# sh power detail

PowerSupply 1 information:
 State             : Powered On
 PartInfo          : EDPS-300AB A-S6 1124E-40221 800386-00-03
 Input             : 228.78 V AC
 Output 1          : 12.00 V,  2.18 A   (12V/300W Max)
 Power Usage       : 42.19 W

PowerSupply 2 information:
 State             : Powered On
 PartInfo          : EDPS-300AB A-S9 1334E-40229 800515-00-03
 Input             : 230.31 V AC
 Output 1          : 11.97 V,  1.15 A   (12V/300W Max)
 Power Usage       : 22.20 W

PowerSupply 3 information:
 State             : Empty

PowerSupply 4 information:
 State             : Empty

PowerSupply 1 information:
 State             : Empty

 

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