polarity of DC 12v connector on EXP GDC 8.5c
 
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polarity of DC 12v connector on EXP GDC 8.5c  

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kjan1996
(@kjan1996)
Active Member
Joined: 2 years ago
 

hello everyone i need to know the polarity of the jack in the EXP GDC for use a tranformer 5.5mm x 2.1mm, thanks

is to avoid a short circuit

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nando4
(@nando4)
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Joined: 4 years ago
 

It's center positive. If using these 5.5x2.5mm barrel plug with a screw terminal then yellow goes to the + terminal and black to the -.

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kjan1996
(@kjan1996)
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Joined: 2 years ago
 

thanks a lot, i just need wait the transformer arrives, its as this  https://mlstaticquic-a.akamaihd.net/fuente-12v-8a-para-camaras-mfshop-D_NQ_NP_638872-MLU26774336195_022018-F.webp
12v 8a - 5.5 x 2.1 mm national conector

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kjan1996
(@kjan1996)
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Joined: 2 years ago
 

i have a t430 and exp gdc ersion mini pcie, i need some trick to know? never see post about t430 using m-pcie/wann, i want use the wwan

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