Edimax Technology HP-2002AV - Manual (Page 6)

4
4. Button Definitions
Reset Button and Group Button
The “Group” pushbutton can help you to create several powerline network
groups in LAN . The HomePlug devices in different groups can not
communicate with each other via powerline .
Press the “Reset” pushbutton on the device for less than 3 seconds to reset it
to factory default .
4.1 HomePlug Logical Network
A HomePlug logical network is formed when two or more HomePlug devices
are connected over common powerline and share a common Network
Membership Key (NMK).