Xiaomi RD12 Manual Del Usuario página 7

Method 3:
1. Reset the satellite router to the factory se ings, and then
power it on. Wait until the satellite router's system indicator
turns blue or white (the indicator's color depends on the
specific model), and its Internet indicator turns orange.
2. Connect the network cable to the satellite router's any
port (or WAN port) and the main router's any port (or LAN
port), then the Internet indicator of the main router will begin
to blink quickly (two blinks per second), indicating the Mesh
networking starts.
3. When the Internet indicator of the satellite router turns
blue, the Mesh networking via cable is successfully completed.
Internet
Main Router Satellite Router
06