Front Panel Connector (Jfp1); Power Led (Jfp3); External Speaker (Jfp2 Pins 1, 4, 7, 10) - Advantech ASMB-975 Series User Manual

2.9

Front Panel Connector (JFP1)

There are several external switches and LEDs to monitor and control the ASMB-975.
2.9.1

Power LED (JFP3)

JFP3 pin 1 and pin 3 are for the power LED. Refer to Appendix B for detailed infor-
mation on the pin assignments. If an ATX power supply is used, the system's power
LED status will be as indicated as follows.
Table 2.3: ATX Power Supply LED Status
ACPI Power Mode
System On (S0)
System Standby (S1)
System Hibernation(S4)
System Off (S5)
2.9.2

External Speaker (JFP2 pins 1, 4, 7, 10)

JFP2 pins 1, 4, 7, 10 connect to an external speaker. The ASMB-975 provides an
onboard buzzer as an alternative. To enable the buzzer, set pins 7-10 closed.
JFP1_JFP2 JFP3
LED (ATX power)
On
Fast flashes
Slow flashes
Off
1 2 3
-
+
1 4 7 10
-
+
19 ASMB-975 User Manual