Chapter 1 Getting Started
NI USB-621x User Manual 1-6 ni.com
Mounting the USB-621x
You can use the USB-621x on a desktop or mount it to a standard DIN rail
or a panel.
Desktop Use
You can use the USB-621x on a desktop. USB-621x Screw Terminal/Mass
Termination devices have grooves on the underside that allow it to be
stacked with other like-sized USB-621x devices, as shown in Figure 1-2.
Note USB-621x BNC devices cannot be stacked.
(USB-621x Screw Terminal/Mass Termination Devices) For secure desktop use,
adhere the supplied rubber non-skid feet to the underside of the USB-621x
device, as shown in Figure 1-4.
Note Do not apply the rubber feet if you are panel mounting the USB-621x or stacking the
device on another USB-621x device.
Figure 1-4. Rubber Feet Application
DIN Rail Mounting
The DIN rail mounting kit (part number 779689-01, not included in your
USB-621x kit) is an accessory you can use to mount the USB-621x family
of products to a standard DIN rail.
Note Apply strain relief, as described in the USB Cable Strain Relief section, before
mounting the USB-621x to a DIN rail.
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