Chapter 1
Getting Started
1-6
ni.com
Mounting the USB-621
x
Yo
u
can
u
se the USB-621
x
on a desktop or mo
u
nt it to a standard DIN rail
or a panel.
Desktop Use
Yo
u
can
u
se the USB-621
x
on a desktop. USB-621
x
Screw Terminal/Mass
Termination devices have grooves on the
u
nderside that allow it to be
stacked with other like-sized USB-621
x
devices, as shown in Fig
u
Note
USB-621
x
BNC devices cannot be stacked.
(USB-621
x
Screw Terminal/Mass Termination Devices)
For sec
u
re desktop
u
se,
adhere the s
u
pplied r
u
bber non-skid feet to the
u
nderside of the USB-621
x
device, as shown in Fig
u
Note
Do
not
apply the r
u
bber feet if yo
u
are panel mo
u
nting the USB-621
x
or stacking the
device on another USB-621
x
device.
Figure 1-4.
Rubber Feet Application
DIN Rail Mounting
The DIN rail mo
u
nting kit (part n
u
mber 779689-01, not incl
u
ded in yo
u
r
USB-621
x
kit) is an accessory yo
u
can
u
se to mo
u
nt the USB-621
x
family
of prod
u
cts to a standard DIN rail.
Note
Apply strain relief, as described in the
section,
before
mo
u
nting the USB-621
x
to a DIN rail.