User Guide

Chapter 3 I/O Information
© National Instruments Corporation 3-5 NI PXI-8108 User Manual
COM1
Figure 3-3 shows the location and pinouts for the COM1 connector on the
NI PXI-8108. Table 3-3 lists and describes the COM1 connector signal.
Figure 3-3. COM1 Connector Location and Pinout
Table 3-3. COM1 Connector Signals
Pin Signal Name Signal Description
1 DCD Data Carrier Detect
2 RXD Receive Data
3 TXD Transmit Data
4 DTR Data Terminal Ready
5 GND Ground
6 DSR Data Set Ready
7 RTS Ready to Send
8 CTS Clear to Send
9 RI Ring Indicator
5
1
6
9
COM1
NI PXI-8108
Embedded Controller