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The Philippine Electronics and Technology Forum > Academic Community and Professionals > The Academic Community (Engineering and Vocational Students) > Thesis and Project Proposal (Moderator: marcelino) > Cable tester for detection of crossover, straigh through
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Author Topic: Cable tester for detection of crossover, straigh through  (Read 1222 times)
krizzycris
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« on: August 01, 2008, 07:41:02 PM »
my suggestion poh b kau qabout this topic..

cable tester n pwede niang i-detect qng anung type cia ng cable qng crossover,straight,or rollover..taz kaya niang i-identfy qng my maling pin kang nalagay xa rj-45...

eto sana gusto kong gawin proposal nmin..

my similarity xa proposal ni nomadz pero until now ala ciang reply...
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« on: August 01, 2008, 07:41:02 PM »
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7_SeVeN_7
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« Reply #1 on: August 01, 2008, 07:45:32 PM »
madali lang yan and microcontroller lang ang katapat nyan... Smiley Smiley
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krizzycris
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« Reply #2 on: August 02, 2008, 07:12:44 PM »
@ Pogi_7:


sir madali lng bng gawin to?


mdyo nahi2rapan aq xa cost analysis..


dun halos ung reason qng bkit nare2ject poposal nmin..


my suggestion k p poh b sir para magawa nmin to?

 
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7_SeVeN_7
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« Reply #3 on: August 02, 2008, 07:25:03 PM »
may maximum required ba kayo na budget? sa tingin ko di naman kayo aabutin ng 500pesos sa project na yan...
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krizzycris
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« Reply #4 on: August 05, 2008, 07:31:11 PM »
@ sevestring:




yup my budget poh para dayn...sana my tumulong smin..


hehehe...

wer out of tym n kc..



trisem kc kmi kaya walang mahabng tym..


kya qng cnu ung gumagawa dyan bka pwedeng patulong..


we are willing to pay for ur service..


thnx poh...
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lamok
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« Reply #5 on: September 13, 2008, 09:37:07 AM »
@TS
boss pareho tayo ng sa thesis
ang prob ko ngayon e sa related studies about sa cable tester.
ask ko lang meron ka na nasearch about dun?
pa help din naman oh!
thanks
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paranz
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« Reply #6 on: September 13, 2008, 09:45:58 AM »
Quote from: krizzycris on August 01, 2008, 07:41:02 PM
my suggestion poh b kau qabout this topic..

cable tester n pwede niang i-detect qng anung type cia ng cable qng crossover,straight,or rollover..taz kaya niang i-identfy qng my maling pin kang nalagay xa rj-45...

eto sana gusto kong gawin proposal nmin..

my similarity xa proposal ni nomadz pero until now ala ciang reply...

pwede na ang microcontroller like pic16f84a.

The 10/100Mbps ethernet only uses 4 wires out of the 8. You can test these 4 wires only.

I assume that you know how to use microcontrollers. Connect the 4 wires to 4 output pins of the microcontroller, then the other end of the wires to 4 input pins of the microcontroller.

Then in your MCU program, send out signals from the output pins which will be read by the input pins (the signal travel via the wires). The presence or absence of the signal will indicate the right or wrong connections. You can interpret this connections in your program.

You may then output the result via LED indicators
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krizzycris
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« Reply #7 on: September 13, 2008, 11:25:30 AM »
mga mods please closed this topic anymore...our thesis and project ay tpoz n poh..
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maldihtah13
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« Reply #8 on: September 13, 2008, 11:58:18 AM »
ang ginamit ko dito eh 16f877 ksi may lcd display. Madali lang detection ng cable connection ang problema lang eh paano mo madedetect kung may problema ang cable.
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