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

John Miles jmiles at pop.net
Tue Apr 17 00:54:21 EDT 2007

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?

-- john, KE5FX

> > As someone pointed out, a Serial-USB adapter cost only about $10
> > (www.geeks.com), and I would not mind having a GPIB-Serial device, and
> > attach a Serial-USB if I want to. Once you provide USB only, that's it,
> > it will be USB or nothing. The one drawback of a Serial only controller
> > is that you probably need a separate power supply. It's not the end of
> > the world though. It's not an absolute obligation either. I have a pair
> > of IOTech Micro488/P controllers that are powered from the serial port.
> > They use a Motorola 68HC05 chip internally and work well, even with the
> > serial port from my Dell laptop. The command set is simple and
> > effective, I would recommend it. When bought new, these IOTech serial
> > controllers cost an arm, both legs and an eye... eBay to the rescue :-)
> >
> > Didier
> I'm happy to hear someone else is using the IoTech
> Micro488/P. It's my all-time favorite GPIB controller.
> /tvb

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