USB to Serial - Prolific Adapter

Tim Judd tajudd at gmail.com
Wed Mar 25 10:40:24 PDT 2009


On Wed, Mar 25, 2009 at 11:31 AM, Bruce Anthony Grobler
<bruce at yoafrica.com>wrote:

> Hi Everyone,
>
> I just tried my usb to serial adapter on FreeBSD 7.1 (GENERIC), now
> here's is my problem :
>
> dmesg:
>
>
> > ugen1: <vendor 0x4348 product 0x5523, class 255/0, rev 1.10/2.50, addr 2>
> on uhub0
>
>
> /var/log/messages:
>
>
> > Mar 25 19:26:29 valhalla root: Unknown USB device: vendor 0x4348 product
> 0x5523 bus uhub0
> > Mar 25 19:26:29 valhalla kernel: ugen1: <vendor 0x4348 product 0x5523,
> class 255/0, rev 1.10/2.50, addr 2> on uhub0
>
>
> Now I'm pretty sure it's a Prolific 2303, as it works with the windows
> driver for the pl2303, I looked in the kernel config
> and there is a prolific 2303 module and it is being loaded. I can't tell
> you much about it as I found it lying around, its a
> little black box about the size of a match box with no writing on it at
> all.
>
> Please if anyone can help your assistance will be most appreciated.
>
> Regards,
>
> Bruce Grobler
> Network Engineer
> Yo!Africa
>


I doubt it's the PL2303.  The 2303 has a device ID of 2303


I've got a few of the 2303's -- and it showed up as a ucom device when I
plugged it in.

don't know what else to say -- it'd give you a ucom if it was truly a 2303.



Good luck


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