Description Of Field Replaceable Units (Fru); Power Down And Removal Of Non-Volatile Storage; System Power Down; Disassembly Of The Qfx5120-48Y Chassis And Identification Of Nv Storage - Juniper QFX5120-48Y Manual

2.2 Description of Field Replaceable Units (FRU)

The power supply, fan tray, and transceivers are hot swappable. You can
remove and replace them without powering off the system or disrupting
system functions.
None of these components contains stores user or system configuration
data. All NV RAM is either soldered or installed onto the system board.
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POWER DOWN AND REMOVAL OF NON-VOLATILE STORAGE

In order to ensure that no user data or system configurations remain resident on
QFX5120-48Y platform, the following steps must be performed:
1. Power must be removed from the system to clear all volatile storage
2. Only the SATA SSD modules must be removed as they store user and
configuration data
3. Other SPI Flash / EEPROM components shown for reference only, they
don't store any user or configuration data
A detailed process is included in the following sections.

3.1 System Power Down

Power down the system by removing any connected power cords from power
supply.
3.2 Disassembly of the QFX5120-48Y Chassis and Identification of NV
storage
QFX5120-48Y does contain NV storages that is replaceable as well as it is
soldered to the system board. In order to access the memory for removal, refer
to the following steps:
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UNCLASSIFIED

Figure 1 QFX5120-48Y Front view

UNCLASSIFIED
10/27/2021
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