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©
National Instruments Corporation
15
NI USB-622x/625x/628x OEM User Guide
Connecting the USB-622
x
/625
x
/628
x
OEM Device to
Your Chassis
The USB-622
x
/625
x
/628
x
OEM device includes several plated mounting
holes that are designed for customer grounded connections, as shown in
Figure 12.
Caution
Do
not
use the holes labeled A in Figure 12 as mounting holes.
Figure 12.
Customer Mounting Holes
(USB-6225/6229/6255/6259/6289 OEM Shown)
Caution
(USB-628
x
Devices)
Exercise caution when placing USB-628
x
OEM devices inside
an enclosure. Auxiliary cooling may be necessary to keep the device under the maximum
ambient temperature rating of 45 °C, as specified in the
NI 628x Specifications
.
Mounting Hole Connected
to Chassis Ground
A
A
A
Do Not Use These
as Mounting Holes
A