NI PCI-5124 Front Panel

The following figure shows the front panel of the NI PCI-5124. Descriptions of the connectors are shown below.

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Connectors

The NI PCI-5124 has the following six connectors on the front panel.

Connector DescriptionFunction
CH 0, CH 1Standard BNC connectorAnalog input connection; digitizes data and triggers acquisitions
TRIGStandard BNC connectorExternal analog trigger connection; signals on the TRIG connector cannot be digitized
CLK INSMB jackImports an external reference or sample clock to the digitizer
CLK OUTSMB jackExports the digitizer reference or sample clock
AUX I/O9-pin mini-circular DIN connectorProvides access to the external digital trigger lines, PFI 0 and PFI 1 (with optional cable)

AUX I/O Connector Pin Assignments

PFI 0 and PFI 1 are accessible through the 9-pin connector (AUX I/O), shown in the following figure.

Figure 2. 9-Pin DIN Connector
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Pin Assignments and Connector Descriptions
Pin Number Description
1 5 V (Fused)
2 GND
3 Reserved
4 Reserved
5 Reserved
6 PFI 1
7 Reserved
8 Reserved
9 PFI 0
Note   Be sure to use an NI adapter cable or a cable that has the same pinout shown in the previous figure.