OT: USB 2.0 vs. USB 1.1

  • Thread starter Thread starter Robert Kim
  • Start date Start date
Après mure réflexion, "Jack D. Russell, Sr." a écrit :
Just make sure that the USB 1 cable is included with the camera. The last
time I was in Best But, CompUSA, etc. looking for a USB 1 cable, they didn't
carry them anymore.

Sorry, Best But? Do they have a local franchise? :)

--
 
My camera has a USB 1 plug in. My computer has USB 1 and only USB 1 ports.
The cable has USB 1 plugs on either end. A USB 2 cable won't work.
---

I'd really be interested in seeing a picture of your camera, the socket on
it,
and both ends of your 'USB 1' cable. Can you arrange that? You can email
if you like .. easily figured out. Thanks.
 
My camera has a USB 1 plug in. My computer has USB 1 and only USB 1 ports.
The cable has USB 1 plugs on either end. A USB 2 cable won't work.
==================================================

A second post after further examining your description, Jack. While
awaiting
your possible scan pictures of your camera, cable ends, etc., I am going to
guess further that you are confused by the term 'USB', and are applying that
term to every connector, whether computer, cable, or camera. Please make
a distinction between what is a 'plug' and what is a 'socket'. USB Type A
'sockets" (female) are what is found somewhere on the front or rear of most
computers.
Into these are plugged a USB Type A (male) plug. What you have been
referring
to at the OTHER end of such cable is bound to be 1 of 4 types of male plugs
called
Mini-B plugs. Two of these Mini-B plugs are kind of odd boat-shaped little
plugs
found on many cameras .. and the other two Mini-B plugs are then connected
to
the rear of most devices where you will find the corresponding Mini-B
(female)
socket.

I can readily see now your confusion in trying to differentiate what is, and
what is
not a USB plug. From my earlier post, you must remember that I specified
that
ANY USB (Type A) plug can be connected to any USB (Type A) socket, and
(quoted) "of course the camera end of the cable must be specific to the
camera."

You have confusedly applied the terms of USB 1.1 to the cable itself .. and
that
is in error. There is NO such thing as a cable specifically manufactured
only for
use in USB 1.1 circumstances, or for USB 2.0 circumstances. The connector
ends of any given cable have no bearing whatsoever on the speeds involved.
It
may be absolutely true that you are having problems finding another cable
for
your camera ... but only because of the Mini-B shape on the camera end of
that
cable. It does NOT mean that you cannot use that very same camera and cable
for plugging into a true USB 2.0 environment. And, if you break that cable
to
uselessness .. it may be that you are in trouble until you manufacture one
of your
own .. yes, those little Mini-B plugs can be found. And similarly,
referring to
a cable which has a slightly larger Mini-B plug (than yours) on the camera
end,
as a USB 2.0 cable is also in error.

End observation: USB is a connection premise only, and one end of the cable
MUST be a Type A USB Plug, (the typical familiar rectangle approx 1/8-in X
5/8-in) while the other end can be anything which is specific to the device
itself ...
camera, hard drive, flashcard reader, etc. All of them are going to work
when
plugged into a USB socket, whether 1.1 or 2.0.
 
Praetorian - Whew! Thank you for doing a superb job clarifying this one - I
hope Jack gets it now.

Basically the only difference between a cord listed for 2.0 instead of 1.1
is that it supposedly is high enough quality to tolerate and operate at the
much higher bit rate present with 2.0 devices.

Ain't standardization wonderful?

:-)
 
Hopefully, my e-mail will clear up the confusion. ;)
--
Jack


P> P> My camera has a USB 1 plug in. My computer has USB 1 and only USB 1
P> ports. The cable has USB 1 plugs on either end. A USB 2 cable won't
P> work.
P> ==================================================

P> A second post after further examining your description, Jack. While
P> awaiting
P> your possible scan pictures of your camera, cable ends, etc., I am
P> going to guess further that you are confused by the term 'USB', and
P> are applying that term to every connector, whether computer, cable,
P> or camera. Please make a distinction between what is a 'plug' and
P> what is a 'socket'. USB Type A 'sockets" (female) are what is found
P> somewhere on the front or rear of most computers.
P> Into these are plugged a USB Type A (male) plug. What you have been
P> referring
P> to at the OTHER end of such cable is bound to be 1 of 4 types of
P> male plugs called
P> Mini-B plugs. Two of these Mini-B plugs are kind of odd boat-shaped
P> little plugs
P> found on many cameras .. and the other two Mini-B plugs are then
P> connected to
P> the rear of most devices where you will find the corresponding
P> Mini-B (female)
P> socket.

P> I can readily see now your confusion in trying to differentiate what
P> is, and what is
P> not a USB plug. From my earlier post, you must remember that I
P> specified that
P> ANY USB (Type A) plug can be connected to any USB (Type A) socket,
P> and (quoted) "of course the camera end of the cable must be specific
P> to the camera."

P> You have confusedly applied the terms of USB 1.1 to the cable itself
P> .. and that
P> is in error. There is NO such thing as a cable specifically
P> manufactured only for
P> use in USB 1.1 circumstances, or for USB 2.0 circumstances. The
P> connector ends of any given cable have no bearing whatsoever on the
P> speeds involved. It
P> may be absolutely true that you are having problems finding another
P> cable for
P> your camera ... but only because of the Mini-B shape on the camera
P> end of that
P> cable. It does NOT mean that you cannot use that very same camera
P> and cable for plugging into a true USB 2.0 environment. And, if you
P> break that cable to
P> uselessness .. it may be that you are in trouble until you
P> manufacture one of your
P> own .. yes, those little Mini-B plugs can be found. And similarly,
P> referring to
P> a cable which has a slightly larger Mini-B plug (than yours) on the
P> camera end,
P> as a USB 2.0 cable is also in error.
 
...but the plugs are different. If one has no USB 2 ports, a USB 2 cable is
useless.
Oh dear ..more misunderstanding. The USB plug end of ANY cable will fit
into
any USB version socket regardless of whether 1.1 or 2.0. Anyone having a
USB cable for their (Canon, i.e.?) to plug into their computer USB socket is
going to be satisfied. It will work whether the USB version is 1.1 or 2.0
If any Radio Shack worker tells you otherwise, you need shop a different
store.

Thus, there is no such thing as a cable specifically tailored or
manufactured for
use ONLY in a USB 2.0 socket. We are talking about the USB end of the
cable ... of course the camera end of the cable must be specific to the
camera.
If Radio Shack has a cable to fit YOUR camera, and it has a USB plug on the
other end of it ... it is going to work on your computer, whether USB 1.1 or
2.0.
A USB plug is a USB plug!

Just to add to the confusion...
I recently read in a tech newsgroup that the definitions of USB 1.1
and 2.0 have been changed such that USB 1.1 is now called USB 2, and
the current USB 2 devices are referred to a USB 2.0 "High Speed." In
other words, to get the fastest devices you'll need to make sure that
the USB 2.0 product carries the HIGH SPEED description on its logo.
They're all still backwards compatible.
 
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