User Manual

UC-2100 Series Hardware Introduction
2-6
LED Indicators
Refer to the following table for information about each LED.
LED Name Status Function
Power Green Power is on, and the device is functioning normally
Off Power is off
Ethernet Green Steady On: 10 Mbps Ethernet link
Blinking: Data transmission is in progress
Yellow Steady On: 100 Mbps Ethernet link
Blinking: Data transmission is in progress
Off Speed lower than 10 Mbps or the cable is not connected
Green
(UC-2112 only)
Steady On: 100 Mbps Ethernet link
Blinking: Data transmission is in progress
Yellow
(UC-2112 only)
Steady On: 1000 Mbps Ethernet link
Blinking: Data transmission is in progress
Serial (Tx) Green Serial port is transmitting data
Off Serial port is not transmitting data
Serial (Rx) Yellow Serial port is receiving data
Off Serial port is not receiving data
User Green/Yellow User Programmable
LEDs that
indicate the
Wireless
signal strength
Yellow The number of glowing LEDs indicates the signal strength
3 LEDs: Excellent
2 LEDs: Good
1 LED: Poor
Off Wireless module not detected
Reset Button
The UC-2100 panel computer is provided with a reset button, which is located on the top panel of the computer.
To reboot the computer, press the reset button for 1 second. Press and hold the reset button between 7 to 9
seconds to reset the computer to the factory default settings. When the reset button is held down, the User
LED (the first signal LED on UC-2104) will blink once every second. The User 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.
ATTENTION
Reset to Default preserves user
’s data
The
Reset to Default function will NOT format the user directory and erase the user’s data.
Using the Reset
to default functi
on will only load the configuration file. The rest of the user’
s data stored in the Flash ROM will
remain intact.
Real Time Clock
The UC-2100’s real time clock is powered by a non-chargeable battery. We strongly recommend that you do
not replace the lithium battery without help from a qualified Moxa support engineer. If you need to change the
battery, contact the Moxa RMA service team.
WARNING
There is a risk of explosion if the battery is replaced by an incorrect type.