Wednesday, June 13, 2012

RS232 (COM) Port Pinout Diagram

This pin diagram will be useful when viewing these connectors. Sometimes you hold asoldering ironto the back of the connector, and you don’t remember the numbering of the pin. Here is the pin diagram for your reference:

rs232 com pinout circuit schematic
The number of each pins are actually stamped on both sides of any D-type connector. Unfortunately, since they are only moldings, they are very difficult to see as they have no color difference.



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3 comments:

  1. Tony BJune 14, 2012 at 4:27 AM

    Good job! I have found many articles to read but you do a good thing. That is a boy. Thank you so much for sharing the delicious post. Expect your next article. switches timers and connectors

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  2. Tony BJune 14, 2012 at 4:41 AM

    Hey, your site is really great, I came across while in search for brand info on bing and it has lots of related information on it. Will be sure to come back again and bookmark. Keep up the great work! wire management

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  3. MitchJuly 11, 2012 at 12:50 PM

    It looks like your diagram is down, can you repost? I've been doing some research for a rs232 converter and how they work and stumbled upon your site.

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