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Serial Ports?

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by rap1833

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I have a couple PCs with the serial ports apparently not working they were once attached to a Zund vinyl flat bed cutter and just stopped working. I have built a loop back plug but can't seem to find any freeware to test the ports with. Everyone wants $400. for diaganostic software kits. Anyone know of any freeware to test with a loopback plug?

5 replies

by fausto_oliveira2000

assuming that you have another PC that you are sure that's working you can try using hyperterminal at 9600 bauds and hardware flow control then you type a string of characters and you should see it echoing in the other hyperterminal. Tell me if thathelped you

by thechas

Go here;

http://www.datadepo.com/datadepo.htm

Register for the free downloads. 1 that I have from them is titled commchk.

I believe it will do what you need.
If not, check for other freeware utilities that they have.
Perhaps one of the trial versions will do what you need.

Chas

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