Chapter 3
I/O Information
Trigger
Front Panel Features
NI PXI-8184/8185 User Manual
The TRG connector is the software-controlled trigger connection for
routing PXI triggers to or from the backplane trigger bus.
Figure 3-8 shows the TRG connector location on the NI PXI-8184/8185.
Table 3-8 lists and describes the trigger connector signals.
Figure 3-8. TRG Connector Location and Pinout
Pin
1
2 (Shield)
The NI PXI-8184/8185 have the following front-panel features:
•
A system reset pushbutton (hold the button for at least two seconds to
generate a reset to the controller).
•
Two front-panel LEDs that show PC status.
–
The POWER OK LED indicates that the power is on and reset is
no longer asserted.
–
The DRIVE LED indicates when an access to the internal hard
disk is occurring.
Table 3-8. TRG Connector Signals
Signal Name
TRIG
GND
3-10
2
1
Signal Description
Trigger
Ground
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