You can use either the reset button or the command line interface (CLI) to reset the Legrand PDU.
Important: Exercise caution before resetting the Legrand PDU to its factory defaults. This erases existing
information and customized settings, such as user profiles, threshold values, and so on. Only active energy data
and firmware upgrade history are retained.
Alternative:
Another method to reset it to factory defaults is to use the web interface. See
Resetting All Settings to
Factory Defaults
(on page 270).
In This Chapter
Using the Reset Button......................................................................... 465
Using the CLI Command ...................................................................... 465
Using the Reset Button
An RS-232 serial connection to a computer is required for using the reset button.
To reset to factory defaults using the reset button:
1. Connect a computer to the Legrand PDU. See
Connecting the Legrand PDU to a Computer
(on page
2. Launch a terminal emulation program such as Kermit or PuTTY, and open a window on the Legrand
PDU. For information on the serial port configuration, see Step 2 of
Initial Network Configuration via
CLI
(on page 522).
Note: PuTTY is a free program you can download from the Internet. See PuTTY's documentation for
details on configuration.
3. Press (and release) the Reset button of the Legrand PDU device while pressing the Esc key of the
keyboard several times in rapid succession. A prompt (=>) should appear after about one second.
4. Type
defaults
to reset the Legrand PDU to its factory defaults.
5. Wait until the Username prompt appears, indicating the reset is complete.
This diagram illustrates the reset button on Zero U models so it may look slightly different from your
model's front panel.
Using the CLI Command
The Command Line Interface (CLI) provides a reset command for restoring the Legrand PDU to factory
defaults. For information on CLI, see
Using the Command Line Interface
To reset to factory defaults after logging in to the CLI:
1. Connect to the Legrand PDU. See
Logging in to CLI
(on page 294) or
Connecting the Legrand PDU
to a Computer
(on page 31).
Resetting to Factory Defaults