Table 7. NI PXIe-5450/5451 Front Panel Connectors
Function
Access
Connector
Provides differential waveform
output for channel 0. The NI 5451
provides single-ended waveform
output on channel 0+.
Output
CH 0+/I+
Provides complementary differential
waveform output for channel 0.
Output
CH 0–/I–
Provides differential waveform
output for channel 1. The NI 5451
provides single-ended waveform
output on channel 1+.
Output
CH 1+/Q+
Provides complementary differential
waveform output for channel 1.
Output
CH 1–/Q–
Accepts an external clock that can
be used as a Reference clock, a
Sample clock, or a Sample clock
timebase.
Input
CLK IN
Provides a clock signal that can be
shared by other devices.
Output
CLK OUT
Accepts 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
PFI 0
Accepts 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
PFI 1
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NI Signal Generators Getting Started Guide
22
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