Hi  cryptocoinfarmer,

Thx for your reply , i found this scheme but i'm not sure this is the same as my PSU. Because the conector is mounted in the other direction.

According to you,  if i want to start the power supply as shown on this diagram :

http://www.xodustech.com/images/bitcoinminer/psu-12.jpg

I have to connect like this :

https://imgur.com/EW9dfzt

( PS : sorry for my english it's not my native language)