If you plug the device directly into a Linux system, run lsusb -v & look for
your device, you'd see several fields listed under its interface descriptor.
Interface Descriptor:
...
bInterfaceClass 8 Mass Storage
bInterfaceSubClass 6 SCSI
bInterfaceProtocol 80 Bulk (Zip)
SRSS implements 8/6/80 & 8/5/80.
-a-
> Date: Thu, 6 Aug 2009 10:16:44 +0200
> From: [email protected]
> To: [email protected]
> Subject: Re: [SunRay-Users] External USB-CDROM-Drive
>
> On 06.08.09 at 04:57 Ashley W wrote:
> > SRSS does not implement all of the USB mass storage protocols. There
> > are some CD/DVD devices that use a protocol (CBI) that is not
> > implemented by SRSS. Your Plextor must be such a device.
> > -a-
> > > Date: Fri, 31 Jul 2009 15:30:16 +0200
> > > From: [email protected]
> > > To: [email protected]
> > > Subject: [SunRay-Users] External USB-CDROM-Drive
> > >
> > > Hi there,
> > >
> > > does anybody have experience with external USB-CDRROM-Drives? I have
> > > a PLEXTOR
> > > DVDR PX-708A, which is recognized fine if directly connected to the
> > > SunRay-Server (with USB 2.0). When connected to a SunRay (USB 1.1) it
> > > doesn't
> > > show up anything, no kernel messages, nothing with utdiskadm.
> > > Is USB 1.1 too slow?
> > >
> > > Regards,
> > >
> > > Benjamin
>
> Well, that sounds like bad news. Is there any way to proof that the CDROM
> device uses the CBI protocol? Like tools or something?
> I can't find information on that anywhere.
>
> Regards,
>
> Benjamin
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