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Author Topic: Implementing an interchangeable RS232 pinout  (Read 1442 times)

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Offline michaelymTopic starter

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Implementing an interchangeable RS232 pinout
« on: December 16, 2012, 03:42:55 pm »
I need to figure out how to use two RS232 pinout variations with the same RJ45 connector and cable.
I tried Googling for an IC that will do the job but I don't know what keywords to look for.

The pinout can be set by the software and I don't need my circuit to detect it.

Any ideas?
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Offline david77

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Re: Implementing an interchangeable RS232 pinout
« Reply #1 on: December 16, 2012, 04:07:22 pm »
Maybe analog switches or multiplexers, CD4066 or 4051?
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Offline AndyC_772

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Re: Implementing an interchangeable RS232 pinout
« Reply #2 on: December 16, 2012, 06:10:18 pm »
The easiest way may be to use two RS232 transceivers, each wired according to one of your required pinouts, and then to enable only one or the other. You'll need a transceiver which can have its output turned off and made high impedance.
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