National Instruments Data Acquisition Device NI USB-621x User Manual page 185

mass termination variant cables and
accessories, 2-4
panel mounting, 1-5
specifications, xvii
stacking, 1-4
USB cable strain relief, 1-3
USB-621x Screw Terminal
signal labels, 1-2
using low impedance sources, 4-6
using PFI terminals
as static digital I/Os, 7-3
as timing input signals, 7-2
to export timing output signals, 7-3
using short high-quality cabling, 4-6
© National Instruments Corporation
W
waveform generation signals, 5-4
Web resources, C-1
X
X1 encoding, 8-15
X2 encoding, 8-16
X4 encoding, 8-16
I-11
Index
NI USB-621x User Manual