UC-8580 Series Hardware User Manual
8
LED Indicators
LED Name
Status
Function
P
Green
Power is on
Off
No power input or any other power-input error
R
Green
System is ready
Off
System is booting, OS boot-up failure, or any other system
initialization error
Ethernet
(located next to the
Ethernet ports)
Green
Steady On: 100 Mbps Ethernet link
Blinking: Data transmission is in progress
Yellow
Steady On: 1000 Mbps Ethernet link
Blinking: Data transmission is in progress
Off
Data transmission speed at 10 Mbps or the cable is not connected
Serial
Green
Tx: Data transmission is in progress
Yellow
Rx: Receiving Data
Off
No operation on the serial ports
S
Green
Data is being accessed from either the eMMC or the mSATA module
Off
No data is being accessed
PGM
Red
Programmable LED for user-defined function
Wireless
Green
The number of glowing LEDs indicate the wireless signal strength as
follows:
3 Green: Excellent
2 Green: Good
1 Green: Poor
Off
No wireless signal
Reset Button
Press the Reset button on the front panel of the UC-8580 computer to set the system to the factory default
values and reboot the system automatically. The
R
LED will flash for 5 seconds and then maintain a steady
glow when the system has rebooted. All system configurations will be reset to the factory default once the
computer restarts. The illustration below shows an SMA model.
