ADLINK PXI-3950 - Manual (Page 29)

I/O Connectors and Pin Assignments 15
PXI-3950
User’s Manual
2.2.4 Reset Button
The reset button is used to perform hard reset for PXI-3950.
You can use a pin-like object to push the reset button.
2.2.5 LED Indicators
There are four LED indicators on the faceplate to indicate the
operating status of the PXI-3950. 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 and then off during system
boot-up. If the LED keeps blinking or stays on,
the system is malfunctioning.
Note: If you encounter any malfunction, clear the
CMOS (refer to section 2.4.1) and reboot the
system. If the system does not respond properly,
please contact ADLINK for assistance.