National Instruments USB-621 Series User Manual

Chapter 1 Getting Started
NI USB-621x User Manual 1-4 ni.com
USB Cable Strain Relief
You can provide strain relief for the USB cable in the following ways:
• Cable Strain Relief Groove Method—
(USB-621x Screw Terminal/Mass
Termination Devices)
Press the USB cable into one of the two grooves
on the underside of the USB-621x. Choose the USB cable groove that
matches your USB cable size, as shown in Figure 1-2a.
• Zip Tie Method—
(USB-621x Screw Terminal/Mass Termination Devices)
Thread a zip tie through the zip tie bar on the underside of the
USB-621x and tighten around the USB cable, as shown in Figure 1-2b.
Figure 1-2. USB Cable Strain Relief Options on USB-621x Screw Terminal/Mass
Termination Devices
1 USB Cable Strain Relief Groove (Large)
2 USB Cable Strain Relief Groove (Small)
3 USB Cable
4 Zip Tie
5 Zip Tie Bar
6 Stacking Groove
1
2
3
3
5
4
ab
or
6
6

National Instruments USB-621 Series Specifications

General

Brand	National Instruments
Model	USB-621 Series
Category	Measuring Instruments
Language	English