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DB-9 switch to flip betw1een tw1o serial ports (RS232)

2015-09-27 08:29  
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rs232 RS232 DB 9 switch to flip betw1een tw1o serial portsThis article describes the DB-9 switch to flip betw1een tw1o serial ports (RS232). The principle is very simple, very practical. The circuit components can help you understand better grasp this principle. For example, in this circuit, you can go to find and buy these components:RS232.