I should have thought of that myself since there are two examples of
same (HP color printer and Epson scanner) setting on my desk.
Chuck Norcutt
On 6/2/2013 9:44 AM, Jez Cunningham wrote:
> Hmm, I don't know the definition of host/slave or the specified application
> areas for type A or B, but printers/scanners/etc _can_ initiate a
> communication session. Just think of the cheapo all-in-one printer with a
> button to start a scan... It's not just the ability to provide or consume
> power (5v) either. Needs a bit of googling when I have more time...
> Still anticipating arrival of Brian's new baby...
> Jez
>
>
> On 2 June 2013 14:00, Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx> wrote:
>
>> OK, I'll accept that. The Thermaltake drive dock also sports a type B
>> USB connector. I'd never thought of them as host or slave but those
>> devices with type B connectors (drive dock, scanners, printers) respond
>> but do not initiate communications as far as I know.
>>
>> Chuck Norcutt
>>
>>
>> On 6/1/2013 5:45 PM, Jez Cunningham wrote:
>>> This box also acts (according to the blurb) as a 2-port hub. So there
>>> should be (typically) a type B connector on the back.
>>> (Although USB is bidirectional, ports can act as host or slave.)
>>>
>>> On 01/06/2013, Paul Braun <pbraun42@xxxxxxxxx> wrote:
>>>> On Sat, Jun 1, 2013 at 4:34 PM, Chuck Norcutt
>>>> <chucknorcutt@xxxxxxxxxxxxxxxx
>>>>> wrote:
>>>>
>>>>> Since USB is bidirectional what's a "USB input connection"? And why
>>>>> does it need to be on the back when there are two USB connectors on the
>>>>> front?
>>>>>
>>>>> Typically, a "usb input" is the squarish connector like on the back of
>>>> printers. The flat, rectangular connections on the front are typically
>>>> considered "outputs" even though, as you mentioned, it's bi-directional.
>>>>
>>>>
>>>> --
>>>>
>>>> Paul Braun
>>>> Music Junkie
>>>>
>>>> "Music washes from the soul the dust of everyday life." -- Harlan Howard
>>>> --
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