LED Indicators
LED Name
P
R
Ethernet
(located next to the
Ethernet ports)
Serial
S
PGM
Wireless
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.
UC-8580 Series Hardware User Manual
Status
Function
Green
Power is on
Off
No power input or any other power-input error
Green
System is ready
System is booting, OS boot-up failure, or any other system
Off
initialization error
Steady On: 100 Mbps Ethernet link
Green
Blinking: Data transmission is in progress
Steady On: 1000 Mbps Ethernet link
Yellow
Blinking: Data transmission is in progress
Off
Data transmission speed at 10 Mbps or the cable is not connected
Green
Tx: Data transmission is in progress
Yellow
Rx: Receiving Data
Off
No operation on the serial ports
Green
Data is being accessed from either the eMMC or the mSATA module
Off
No data is being accessed
Red
Programmable LED for user-defined function
The number of glowing LEDs indicate the wireless signal strength as
follows:
Green
3 Green: Excellent
2 Green: Good
1 Green: Poor
Off
No wireless signal
8
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