Chapter 3
I/O Information
©
National Instruments Corporation
3-3
COM1 and COM2
Figure 3-2 shows the location and pinouts for the COM1 and COM2
connectors on the NI 8171 series. Table 3-3 lists and describes the COM1
and COM2 connector signal.
AMP manufactures a serial port mating connector, part number 745491-5.
Figure 3-2.
COM1 and COM2 Connector Location and Pinout
11
NC
Not Connected
12
SD
Serial Data
13
HSync
Horizontal Sync
14
VSync
Vertical Sync
15
SC
Serial Clock
Table 3-3.
COM1 and COM2 Connector Signals
Pin
Signal Name
Signal Description
1
DCD*
Data Carrier Detect
2
RXD*
Receive Data
3
TXD*
Transmit Data
Table 3-2.
VGA Connector Signals (Continued)
Pin
Signal Name
Signal Description
1
5
9
6
COM1
1
5
9
6
COM2