National Instruments SHC68-H1X38 User Manual
Page 5
© National Instruments Corporation
5
Digital Flying Lead Cable User Guide
CLKOUT / PFI 4
For devices that have a DDC CLK OUT
channel, this signal is the exported
sample clock signal. Otherwise, this is
PFI 4.
Bundle A
PFI <1..3>
Programmable functional interface PFI
<1..3>.
PFI 1: Bundle A
PFI <2..3>: Bundle B
Reserved / PFI 0
For devices that have PFI 0 on a
front-panel SMB connector, this channel
is reserved and should not be used.
Otherwise, this channel serves as PFI 0
Bundle B
GND
Each channel is split into a pair of leads.
The lead attached with the black wire is
the GND signal, which serves as the
ground reference for that particular
channel.
N/A
Table 1. NI Digital Waveform Generator/Analyzer Signal Descriptions (Continued)
Channel
Signal Description
Bundle