User's Manual

UC-8100A-ME-T Series Hardware Hardware Introduction
4-2
LED Indicators
The function of each LED is described in the table below:
LED Name Color Function
USB Green
Steady On USB device is connected and working normally.
Off USB device is not connected.
SD Green
Steady On SD Card inserted and working normally.
Off SD card is not detected.
Power
Green Power is on and the computer is working normally.
Off
Power is off.
LAN1/
LAN 2
(RJ45
connector)
Green
Steady On 100 Mbps Ethernet link
Blinking Data transmission in progress
Yellow
Steady On 10 Mbps Ethernet link
Blinking Data transmission in progress
Off
Ethernet is not connected.
Wireless Signal
Strength
Green
Yellow
Red
The number of glowing LEDs indicates the signal strength.
3 (Green + Yellow + Red): Excellent
2 (Yellow + Red): Good
1 (Red): Poor
Off Wireless module is not detected.
USR User-defined Green
This LED can be defined by users. For details, refer to Hardware
User’s Manual.
Programmable
diagnostic LEDs
Green
Yellow
Red
These three LEDs are programmable. For details, refer to the
“Default Programmable Button Operation" section in the
Hardware
User’s Manual.
Reboot
To reboot the computer, press the programmable button for 1 second.
Reset to Default
The UC-8100A-ME-T is also provided with a Reset to Default function which can reset the operating system
back to the factory default status. Press and hold the programmable button between 7 to 9 seconds to reset
the computer to the factory default settings. When the reset button is held down, the Ready LED will blink once
every second. The Ready LED will become steady when you hold the button continuously for 7 to 9 seconds.
Release the button within this period to load the factory default settings.