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a_tek7
Joined: 09 Feb 2006
Posts: 376
Helped: 12
Location: Bandar Abbas
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 03 Apr 2008 1:01 serial port |
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| How can I Test serial cable and serial port?
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03 Apr 2008 1:01 Ads |
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laktronics
Joined: 06 Jan 2007
Posts: 945
Helped: 156
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03 Apr 2008 6:34 Re: serial port |
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Hi,
For serial cable, use a cable test jig with a shift register rotating a 1 on one side and on the other side a sequenced LEds to show the correctness of wiring. For port testing, use a loopback test connector and a baud rate outpin facility. Using software, test for all loopback and by sending out AAh or 55h continuously, you can check the baud rate with a counter.
Regards,
Laktronics
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watertreader
Joined: 02 Dec 2005
Posts: 187
Helped: 6
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03 Apr 2008 7:01 Re: serial port |
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Programs like hyperterminal (if u are using windows) can be used send particular char that can be captured via osciloscope triggering capture. This should show that the cable and ports are working fine.
Perhaps u can share with us what are u trying to test?
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AdvaRes
Joined: 14 Feb 2008
Posts: 1038
Helped: 46
Location: At home
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03 Apr 2008 9:42 serial port |
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| Use an Port monotor tool.
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H_D_R
Joined: 31 Jan 2008
Posts: 351
Helped: 18
Location: India
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