[time-nuts] Prologix GPIB/USB converter help...

John Ackermann N8UR jra at febo.com
Tue Apr 17 08:48:11 EDT 2007

John Miles wrote:
> I'll admit I'm kind of surprised at all of the users sticking up for RS-232.
> I would've thought Abdul would be safe in abandoning his internal RS-232
> data pathway between the Atmel and FTDI chip.  What are some examples of
> RS-232 hosts that need to talk to GPIB test equipment?  Old/retired laptops
> being used as dumb terminals?  Legacy DOS apps that don't have any form of
> USB support?  Both?

My main data-logging machine has six serial ports (2 on the mobo, four 
more via PCI adapter) and two NI GPIB cards.  I also have serial cable 
strung all around the lab.  I can use USB, but a relatively inexpensive 
serial solution is easier to drop in and offers more flexibility (for 
example, use a $150 Soekris single board computer as a logging device as 
well as super-duper time server; it has two serial but no USB).


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