ACCESS
ACTIVE
S YNC OUT /
PFI 0
PFI 1
NI PXI-540 2
REF IN
CH 0
NI PCI-5402
REF
IN
SYNC
OUT/
PFI 0
PFl 1
CH 0
Figure 6. NI PXI/PCI-5402 Front Panel (NI PXI/PCI-5406 devices include the same connectors)
Table 3. NI PXI/PCI-5402/5406 Front Panel Connectors
Function
Access
Connector
Provides the waveform output.
Output
CH 0
Accepts a PLL Reference clock from
an external source and can frequency
lock the Sample clock timebase to
the external Reference clock.
Input
REF IN
Provides a TTL-level output of the
waveform being generated on CH 0.
SYNC OUT/ PFI 0 can also be
configured to accept a trigger from
an external source that can start or
step through waveform generation
or can route signals from several
clock, event, and trigger sources.
Input/Output
SYNC OUT/PFI 0
©
National Instruments Corporation
15
NI Signal Generators Getting Started Guide