Chapter 3 I/O Information
© National Instruments Corporation 3-9 NI PXI-8108 User Manual
Universal Serial Bus
Figure 3-6 shows the location and pinouts for the Universal Serial Bus
(USB) connectors on the NI PXI-8108. Table 3-7 lists and describes the
USB connector signals.
Note Install a noise-suppression ferrite (included in your shipping kit) onto the external
USB cable when using a USB mouse or keyboard to ensure that your device meets all EMC
standards applicable to your country. For more information on installing the ferrite, refer
to KnowledgeBase 4NEDT4P6 at ni.com.
Figure 3-6. USB Connector Location and Pinout
Table 3-7. USB Connector Signals
Pin Signal Name Signal Description
1VCC Cable Power (+5 V)
2D– USB Data –
3D+ USB Data +
4GND Ground
USB
4
1
NI PXI-8108
Embedded Controller