Chapter 2 Installation and Verification
PCMCIA Serial for Windows Me/9x 2-8 ni.com
Connect the Cables
For the PCMCIA serial cards, you can use the standard DB-9 connector
found on most serial cables.
Figure 2-6 and Table2-1 give the pin locations and descriptions of the
DB-9 connector, which is found on the PCMCIA serial cable.
Figure 2-6. DB-9 Connector Pin Locations
Table 2-1. DB-9 Pin Descriptions
DB-9 Pin 232 Signal 485 Signal
1DCD* GND
2RXD CTS+ (HSI+)
3TXD RTS+ (HSO+)
4DTR* RXD+
5GND RXD–
6DSR* CTS– (HSI–)
7RTS RTS– (HSO–)
8CTS TXD+
9RI* TXD–
* These signals are not supported by the isolated 232 boards or ports 9-16 of the RS-232
sixteen-port board.
PIN 1
PIN 9
PIN 5
PIN 6