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Proper DB 25 to DB 9 cable diagram


4 replies to this topic

#1 stagemanbob OFFLINE  

stagemanbob

    Combat Commando

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Posted Tue Oct 3, 2017 5:46 AM

Hi,

Does anyone have clear wiring diagram to make an adapter from TI 25 pin serial to a standard db9  male connector? I have a lantronix device that I want to use term 80 with.

Thanks in advance.

~Bob



#2 MarkO OFFLINE  

MarkO

    Dragonstomper

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  • Location:Albany, Oregon, USA, North Western Hemisphere, Planet Tera

Posted Tue Oct 3, 2017 1:43 PM

I have a couple DB25-DE9 adapters that I use.... I can MAP them out for you.... MarkO

#3 stagemanbob OFFLINE  

stagemanbob

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Posted Tue Oct 3, 2017 3:56 PM

That would be great! I have the parts just need a little clarity.



#4 apersson850 OFFLINE  

apersson850

    Moonsweeper

  • 421 posts

Posted Wed Oct 4, 2017 6:19 AM

The problem is that there's no "standard" nine-pole D-sub for RS232. There's a de-facto standard, used by today's PC (or rather the USB-serial converters you have to use), but then it's still a question about if your deviced is a DTE or DCE. The pinout is different.



#5 stagemanbob OFFLINE  

stagemanbob

    Combat Commando

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Posted Sat Oct 7, 2017 5:41 AM

This is the pin out of the lantronix unit:

https://www.dropbox....titled.jpg?dl=0






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