Want to know how to make RS232c Nikon cross cable?

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Want to know how to make RS232c Nikon cross cable?

Postby Chuoi » Sat Nov 12, 2016 1:30 am

I would like to make RS232 cross cable for used Nikon DP-303. I try to make two cable ( see in my picture ).

Cable A --> try to get data from RS232c --> data show ????????? g ?????? m ?????

Cable B --> try to get data from RS232c --> nothing show

I very confused my cable is correct or not? (pin 20)

please advice to me

Thank you all
Image
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Re: Want to know how to make RS232c Nikon cross cable?

Postby max » Sun Nov 13, 2016 10:56 am

What's a Nikon DP-303?

I would check to make sure it's using RS232 voltage levels (+/- 15V) (https://en.wikipedia.org/wiki/RS-232#Voltage_levels). Some embedded devices use RS232 signaling but at a reduced voltage -- and would require some sort of level translation.

Also, what serial port settings (eg 9600/N/8/1) are you using, and are you sure those are correct?

-m
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