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Cable Connections
© National Instruments Corporation
This section describes the cable connectors on your serial device server.
DB-9 Connector
Figure D-6 and Table D-2 give the pin locations and descriptions of the
DB-9 connector.
PIN 5
PIN 1
Figure D-6. DB-9 Connector Pin Locations
DB-9 Pin
1
2
3
4
5
6
7
8
9
Appendix D
Table D-2. DB-9 Pin Descriptions
232 Signal
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
RI
D-7
ENET-232 and ENET-485 Series User Manual
Serial Port Information
PIN 9
PIN 6
485 Signal
GND
CTS+ (HSI+)
RTS+ (HSO+)
RXD+
RXD–
CTS– (HSI–)
RTS– (HSO–)
TXD+
TXD–
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