Dell PowerEdge FN I/O Module Configuration Guide 9.10(0.0)

To enable and disable privilege levels, use the following commands.

• Set a user’s security level. EXEC Privilege mode enable or enable privilege-level If you do not enter a privilege level, the system sets it to 15 by default.
• Move to a lower privilege level. EXEC Privilege mode disable level-number
  • level-number : The level-number you wish to set.
  If you enter disable without a level-number, your security level is 1.