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Figure 5. closed ferrite on the power supply cable – National Instruments Interface Device NI PCI-8254R User Manual

Page 8

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NI PCI-8254R Quick Start Guide

8

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3.

(Optional) To suppress electromagnetic interference, install a ferrite on
the power supply cable as close to the connection to the NI 8254R as
possible. Wrap the power supply cable around the ferrite two times, as
shown in Figures 4 and 5.

Figure 4. Installing a Ferrite Connector on the Power Supply Cable

Figure 5. Closed Ferrite on the Power Supply Cable

4.

Plug the power supply cable into the power supply.

5.

Plug the power supply cord into an outlet.

1

Power Supply Output Cable

2

Ferrite

3

2-Position Power Connector

1

Power Supply Output Cable

2

Ferrite

3

2-Position Power Connector

1

2

3

1

2

3