Dell P2425E - Dell Power Button Sync (DPBS)

Setting up the monitor  │  55
Connecting the monitor for RJ45 cable (optional)
NOTE: The RJ45 cable is not an in-box standard accessory.
Dell Power Button Sync (DPBS)
Your monitor is designed with Dell Power Button Sync (DPBS) feature to allow you
to control PC system power state from the monitor power button. This feature is
only supported with Dell platform which has built-in DPBS function, and is only
supported over USB-C interface.
To make sure the DPBS function works for the first time, perform the following
steps on the DPBS supported platform in the Control Panel first.
NOTE: DPBS only supports the USB Type-C upstream port with
icon.