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Nikkai USB to Serial Converter from Maplins not recognised on PC

RS232 states no drivers required for XP but won't work. Have been to Prolific website as suggested by another person with similar problem but I was not sure which download to choose as there were quite a few. Can someone be more specific please. Maplin won't give refund as they say people are using the leads to get their freeview boxes updated and then getting their money back so that is not an option. Ripped off by Maplins £15!

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SOURCE: Nikkai usb serial convertor - no driver

i got the drivers from the prolific website (the manufacturers)
http://www.prolific.com.tw/eng/downloads.asp?ID=31

Posted on Feb 17, 2009

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Need drivers for nikkai usb to serial converter rs232


I purchased the Nikkai USB to RS232 adapter from Maplin and could not get the device working. (Maplin staff not much help!) The lead uses the Prolific PL-2303 device but Prolific do not supply the drivers to end users.
However I found the drivers that appear to work at:

http://www.cooldrives.com/wividrforprc.html

This then recognises the lead as a COM port. So far everything seems to work OK.
(Null modem check and basic 9600 data transfer.)

I hope that helps everybody.

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Nikkai usb serial convertor - no driver


i got the drivers from the prolific website (the manufacturers)
http://www.prolific.com.tw/eng/downloads.asp?ID=31

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Downloading data from my FURUNO GP-30 gave me no problems. But it took me long time to figure out why I coudn't upload waypoints and routes to the GP-30 via the serial port in my ThinkPad T30.

I tried nearly everything tested the cable, tested a lot of different software and even wrote a little c-program to communicate with the serial port. I also tried a serial-to-usb converter with no results. Then I stumbled over this RS232 Tutorial. According to this - serial ports are not just serial port but can be divided into three general categories:

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Then I installed the waypoint upload software to my ten years old Compaq Presario and suddenly I could upload routes and waypoints but only via the on board serial port. The serial-to-usb converter didn't still work.

So if people experience no result trying to upload data to these old GP-30's from their notebooks and laptops. Then I think it could be a matter of these Low voltage ports not are able to provide the FURUNO device with enough voltage. See the above RS232 Tutorial.

Best Regards

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