Use the serial port to control routers, modems and other devices.
Serial (RS232) port connectors. Pinout and signals for the serial port connector
RS232 Pin Out – Cable Tester
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Serial Direct Cable Connection, DB9, DB25, COM Ports and Pinouts
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Appendix B. Connector Pin Assignments
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All you have to learn about serial connector pinouts
Appendix B. Server Serial Connector Pinouts
Serial data transfer cable. Pinout and signals for building a serial data transfer cable
wilbo666 / RS232
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RS232 Pin Out – Cable Tester
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