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+# Buttons
+
+The S1 button only changes the state of the green LED. 
+The S2 button repairs CC2531 (see below)
+
+# Lights
+
+Short fast blinks (one per second) – the router is connecting to a network.
+Short long blinks (one per 4 seconds) – normal operations.
+Three short blinks – the router cannot send a report to a coordinator.
+
+# Pairing
+
+Flash firmware and permit joining to a network on your coordinator.
+
+# Re-pairing
+
+CC2530, CC2531: Power on, wait 2 seconds, power off, repeat this cycle three times.
+CC2531: Power on, press and hold down the S2 button for 5 seconds.