Hardware manual

UC-7112-LX Plus/UC-7112/UC-7110 Hardware Hardware Introduction
2-3
Panel Views
LED Indicators
The following table is the key to the five LED indicators located on the front panel of the UC-71xx embedded
computers.
LED Name LED Color LED Function
Ready Green Power is on and functioning normally.
P1/P2 (Tx) Green Serial port 1/2 is transmitting data.
Off
Serial port 1/2 is not transmitting data.
P1/P2 (Rx) Yellow Serial port 1/2 is receiving data.
Off Serial port 1/2 is not receiving data.