User`s manual

Hardware Information 11
PXI-3920/3910
User’s Manual
2.4.4 Reset Button
The reset button is used to perform hard reset for PXI-3920/
3910. You can use a pin-like object to push the reset button.
2.4.5 LED Indicators
There are four LED indicators on the faceplate to indicate the
operating status of the PXI-3920/3910. The following table
describes the color and function of the LED indicators.
Table 2-2: LED Indicators
LED Indicator Color Description
Power LED Green
Indicates system power status. If the LED is on, the system
boots up normally and the main power supply is good.
HDD LED Yellow
Indicates operating state of the HDD. When the SATA hard
drive or CF card is active, the LED indicator flashes.
Watchdog Red
Indicates status of the watchdog timer. When watchdog timer
expires, the LED is on. Please refer to Appendix B for
watchdog timer programming information.
HS LED Blue
Indicates system status. If the system status is good, the
LED is on (off during system booting up). If the LED keeps
blinking, the system is malfunctioning.
Note: If you encounter any malfunctions, clear the CMOS
and reboot the system. If the system does not respond
properly, please contact ADLINK for assistance.