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Re: Useful Gadget of the Week: USB to 4 RS-232 Serial Ports
On 03/08/2011 10:38, jimf@xxxxxxx wrote:
>
>
> I found that particular 4 port chipset (prolific) to be unreliable
> in use.. and have moved to the FTDI chipset.
> the issues I had were, that it went to sleep, dropped off the PC
> port list, and missed some incoming serial data.
> (on a test estate of 8 stores with 1 in each - connected to medical
> equipment).
>
> if anyone wants a FREE 4-port of the one shown in the post, let me
> know, I think I have 2 left - (just pay the postage)
>
The problem I've found with a lot of the prolific chipsets around is
that they're chinese knockoffs that don't work properly. The ones I've
found that have actual genuine chipsets have all been okay so far (one
way to tell is sometimes to use them on win7 64bit with the official
drivers - if they don't work then they're fakes).
That said, I've not tried any of the 4 port ones yet.
Joseph
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