Because the pin numbering used for Sub-D connectors is not
standardized, the following figure shows the numbering scheme used
(front view).
Do not rely on the numbers written on Sub-D
connectors.
Pinout
Connector (CP43) Pin Signal Pin Signal
5 GND
4 SRXD 9 Not used
3 SRXD 8 Not used
2 STXD 7 Not used
1 STXD 6 Not used
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Connector Pinouts and LEDs
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138
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DS1103 Hardware Installation and Configuration November 2014