NETGEAR XAVN2001 User Manual page 19

Universal WiFi Extender - Powerline Edition (XAVN2001)
Note: This process works for only one pair of Powerline devices at a time.
If you have more than two Powerline devices, repeat this process for
each additional Powerline device to be configured.
The devices retain security settings even if they are unplugged.
Getting Started
19