Installing a DC power supply
Important:
Installing a combination of AC-input and DC-input power supplies in the same chassis is not
supported.
The VSP 7200 Series Series supports two field-replaceable 800 W DC power supplies. One comes
with the switch and you can install a second power supply to provide redundancy and load sharing.
Both the VSP 7254XSQ (fiber switch) and the VSP 7254XTQ (copper switch) use the same DC
power supply model: EC8005001-E6 (front-to-back cooling).
There are two power supply slots (PSU1 on the left side and PSU2 on the right).
• If you only have one power supply, you can install it in either PSU1 or PSU2.
• If you install a second power supply, neither one acts as a primary power supply. The two
power supplies load share equally.
Before you begin
Remove the power cord before installing or removing the power supply.
Note:
The design of the latch mechanism that secures the power supply enforces this safety practice.
Procedure
1. If there is a power supply cover, remove it and save for possible future use. To remove the
cover, push the tab on the spring latch to the left and pull on the extraction handle.
Installing a power supply
March 2020 Installing the VSP 7200 Series 29
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