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oldie
Active User
Joined: 09 Aug 2007
Posts: 7
Location: North West London
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 Posted: Mon Jan 28, 2008 1:12 pm Post subject: Assertion failed! |
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I am using a DrDAQ with a parallel to USB adaptor, then via a USB to cat5e extender unit so I can monitor my DRDAQ 15 metres away on either a laptop or a PC. Both fail after a few hours running with an Assertion Failure error. I am using the latest software. Any help would be appreciated. I attach a screen print.
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Pico failure screen.doc |
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| Description: |
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Pico failure screen.doc |
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picojohn
Site Admin
Joined: 11 Jun 2007
Posts: 391
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| Posted: Mon Jan 28, 2008 3:49 pm Post subject: |
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Hello oldie,
The problem you describe is well known and is very likely due to the USB extender. I know of no standard for these devices and performance appears to be highly variable between device manufacturers.
We have looked at a number of USB/CAT5 extenders, but have yet to find one which operates reliably for more than 8 hours or so on a range of platforms.
Regards
John
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oldie
Active User
Joined: 09 Aug 2007
Posts: 7
Location: North West London
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| Posted: Mon Jan 28, 2008 6:41 pm Post subject: Assertion failed |
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| Ok, picojohn, thanks for the information. Just for the record, it worked OK all day today. Would an earlier version of software be better for my application? Regards, Oldie
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picojohn
Site Admin
Joined: 11 Jun 2007
Posts: 391
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| Posted: Tue Jan 29, 2008 4:42 pm Post subject: |
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Hi Oldie,
Good to learn that you've had success!
I know of no reason why an older version of software should improve performance.
Regards
John
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