National Instruments SHC68-H1X38 - 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