GSM-Forum - Please Help ******* Test Points of RJ45*******

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King_

02-05-2011 22:52

Please Help ******* Test Points of RJ45*******

Hi guys,

I have a confusion... If i know RX TX on board & If i solder test-points to PCB with RJ45 Cable... still do i have to open pinfinder application to check for rx tx pinouts or directly i can work with chinese miracle application...

Thanks in Advance...

nabin.rai

02-06-2011 02:12

Quote:

Originally Posted by King_ (Post 6921497)

Could you please upload the picture of your RX TX Point of PCB? You still need to check pinouts, I believe.

sanjeewa57

02-06-2011 04:00

Quote:

Originally Posted by King_ (Post 6921497)

if you know rx tx in phone connect box RJ -45 connecter PIN 2 (TX) to phone RX , PIN 3 (RX) to phone TX & PIN 7 or PIN 8 (GND) phone battery connecter (-)

Akhtar Ali Jatt

02-06-2011 07:00

no need for pinfinder if connected rx tx gnd then no need for pinfinder use box rj45 port and you and connected give phone power from power supply

amn32

02-06-2011 09:27

Quote:

Originally Posted by akhtaralijat (Post 6922270)

no need for pinfinder if connected rx tx gnd then no need for pinfinder use box rj45 port and you and connected give phone power from power supply

U must have to use three pins
1= RX
2=TX
3=GND

With using of Battery.
If u do not want to use battery then Use 4th pin of
Plus supply of ur rj45 cable and connect it to +Vbatt on ur fone pcb.
and do the power on of pinfinder .Plus voltage are comming out
from pin # 1 of rj45 cable of infinity .

InfinityHelp

02-07-2011 00:35

hello!

yes, this is correct: no need pinfinder when you are using test points.
just take Rj45 cable and solder 3 wirs to PCB.
pin 2&3 to tx&rx pins
and pin8 to phone's GND

King_

02-09-2011 00:40

thank you all... Thanks a lot guys..........

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