Chapter 3
I/O Information
3-10
ni.com
Trigger
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
Front Panel Features
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
Pin
Signal Name
Signal Description
1
TRIG
Trigger
2 (Shield)
GND
Ground
1
2
