Figure 2-6. 10-Position Modular Jack Pin Locations; Table 2-2. 10-Position Modular Jack Pin Descriptions - National Instruments PCI-232/2 Getting Started

Chapter 2 Installation and Verification
PCI Serial for Windows 95
Figure 2-6 and Table 2-2 give the pin locations and descriptions of the
10-position modular jack, which is found on the four-port PCI serial board.
Pin 1

Figure 2-6. 10-Position Modular Jack Pin Locations

Table 2-2. 10-Position Modular Jack Pin Descriptions

10 Position
Modular Jack
Pin 10
Pin 9
Pin 8
Pin 7
Pin 6
Pin 5
Pin 4
Pin 3
Pin 2
Pin 1
232 Signal
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
RI
No Connect
2-8
Pin 10
485 Signal
GND
CTS+ (HSI+)
RTS+ (HSO+)
RXD+
RXD-
CTS- (HSI-)
RTS- (HSO-)
TXD+
TXD-
No Connect
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