All you have to learn about serial connector pinouts
DB25 Connector | 25 PIN D-Sub | EDAC Interconnect Solutions | EDAC
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power - where to syphon off voltage from a 25 pin serial? - Arduino Stack Exchange
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Serial Cable, DB9 Male to DB25 Male, UL rated, RS232, 9 Conductor, 6 foot - Buy Serial Cable, DB9 Male to DB25 Male, UL rated, RS232, 9 Conductor, 6 foot Online at
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DB9M TO DB25M SERIAL PORT ADAPTER,RS232 9 PIN MALE TO 25 PIN MALE PLUG CONVERTER | eBay
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