Chapter 3
I/O Information
©
National Instruments Corporation
3-5
COM1
Figure 3-3 shows the location and pinouts for the COM1 connector on the
NI PXI-8104. 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