[ale] [Slightly OT] Prolific

[Alex Carver]

Huh, never noticed that one (the four port unit lives on a Win machine). 
  But the single port unit has bounced around and seems to work.

On 11/7/2012 10:39, Jim Kinney wrote:
> DANG!!
>
> "The USB 4-Port Serial Adapter makes it easy to connect four RS-232
> serial devices to a USB port on a PC or Mac. Linux is not currently
> supported."
>
> On Wed, Nov 7, 2012 at 1:33 PM, Alex Carver <agcarver+ale at acarver.net> wrote:
>> I've had good luck with the Keyspan adapters.  I have a one-port and a
>> four-port unit and both work fine.  Haven't popped them open to examine the
>> chipset.  However, I haven't had a problem with renumbering ports when
>> plugging into different USB sockets using them.
>>
>>
>> On 11/7/2012 09:23, Michael Trausch wrote:
>>>
>>> Without hw flow control, low bit rate should still be possible with
>>> xon/xoff flow control...
>>> On Nov 7, 2012 11:50 AM, "Ron Frazier (ALE)" <
>>> atllinuxenthinfo at techstarship.com> wrote:
>>>
>>>> PS.  I don't think all the usb / serial adapters support all the flow
>>>> control stuff.  The packaging on this one says they support every signal
>>>> that's on the db9 connector.
>>>>
>>>> Ron
>>>>
>>>>
>>>> "Ron Frazier (ALE)" <atllinuxenthinfo at techstarship.com> wrote:
>>>>
>>>>> Here's a link to the product I bought from Amazon, although that
>>>>> doesn't GUARANTEE that it's not counterfeit.  Trendnet has a pretty
>>>>> good reputation though.
>>>>>
>>>>>
>>>>
>>>> http://www.amazon.com/TRENDnet-RS-232-Serial-Converter-TU-S9/dp/B0007T27H8/ref=sr_1_1?ie=UTF8&qid=1352305792&sr=8-1&keywords=B0007T27H8
>>>>>
>>>>>
>>>>> If the link doesn't work, search on Amazon for product # B0007T27H8.
>>>>>
>>>>> Sincerely,
>>>>>
>>>>> Ron
>>>>>
>>>>>
>>>>> Matt Hessel <matt.hessel at gmail.com> wrote:
>>>>>
>>>>>> The prolific chip is the most commonly counterfeited hardware too.  I
>>>>>> had
>>>>>> one that worked in Windows, but nothing else. found out that the
>>>>>> adapter
>>>>>> was a fake.  Prolific had a site up talking about the counterfeited
>>>>>> stuff.
>>>>>> On Nov 4, 2012 7:12 PM, "mike at trausch.us" <mike at trausch.us> wrote:
>>>>>>
>>>>>>> Just out of curiosity, has anyone here actually seen a WORKING chip
>>>>>>
>>>>>> from
>>>>>>>
>>>>>>> Prolific?
>>>>>>>
>>>>>>> I'm finding myself wondering how the hell they're still in business.
>>>>>>
>>>>>> Every
>>>>>>>
>>>>>>> USB cable I have purchased that has a PL* chip in it simply doesn't
>>>>>>
>>>>>> work.
>>>>>>>
>>>>>>>    Doesn't matter if we're talking about serial or parallel
>>>>>
>>>>> interfaces,
>>>>>>
>>>>>> they
>>>>>>>
>>>>>>> just never ever work.
>>>>>>>
>>>>>>> And of course, you can never tell what chipset is in the stupid
>>>>>>
>>>>>> things
>>>>>>>
>>>>>>> until you've bought them and hooked them up and then you have that
>>>>>>
>>>>>> "D'oh!"
>>>>>>>
>>>>>>> moment.
>>>>>>>
>>>>>>> Seems that Fry's only carries such cables, so I guess I won't be
>>>>>>
>>>>>> buying
>>>>>>>
>>>>>>> from there anymore.  Linux kernel devs strongly suggest avoiding
>>>>>>
>>>>>> them.
>>>>>>>
>>>>>>>
>>>>>>> The problem this time?  It will receive data from a modem, but not
>>>>>>> transmit to the modem.  So I can see:
>>>>>>>
>>>>>>> RING
>>>>>>>
>>>>>>> RING
>>>>>>>
>>>>>>> But if I try to send "ATA" nothing happens, no echo, no going
>>>>>>
>>>>>> off-hook, no
>>>>>>>
>>>>>>> screeching, no nothing.
>>>>>>>
>>>>>>> Wonderful, yes?
>>>>>>>
>>>>>>> SO anyway, just curious: has anyone heard of a chip from this
>>>>>>
>>>>>> manufacturer
>>>>>>>
>>>>>>> actually performing as intended, or do they just hate me?
>>>>>>>
>>>>>>>           --- Mike
>>>>>>>
>>>>>>> --
>>>>>>> A man who reasons deliberately, manages it better after studying
>>>>>>
>>>>>> Logic
>>>>>>>
>>>>>>> than he could before, if he is sincere about it and has common
>>>>>
>>>>> sense.
>>>>>>>
>>>>>>>                                      --- Carveth Read, “Logic”
>>>>>>> ______________________________**_________________
>>>>>>> Ale mailing list
>>>>>>> Ale at ale.org
>>>>>>>
>>>>>> http://mail.ale.org/mailman/**listinfo/ale<
>>>>
>>>> http://mail.ale.org/mailman/listinfo/ale>
>>>>>>>
>>>>>>> See JOBS, ANNOUNCE and SCHOOLS lists at
>>>>>>>
>>>>>> http://mail.ale.org/mailman/**listinfo<
>>>>
>>>> http://mail.ale.org/mailman/listinfo>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> ------------------------------------------------------------------------
>>>>>>
>>>>>> _______________________________________________
>>>>>> Ale mailing list
>>>>>> Ale at ale.org
>>>>>> http://mail.ale.org/mailman/listinfo/ale
>>>>>> See JOBS, ANNOUNCE and SCHOOLS lists at
>>>>>> http://mail.ale.org/mailman/listinfo
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>>
>>>>> Sent from my Android Acer A500 tablet with bluetooth keyboard and K-9
>>>>> Mail.
>>>>> Please excuse my potential brevity.
>>>>>
>>>>> (To whom it may concern.  My email address has changed.  Replying to
>>>>> former
>>>>> messages prior to 03/31/12 with my personal address will go to the
>>>>> wrong
>>>>> address.  Please send all personal correspondence to the new address.)
>>>>>
>>>>> (PS - If you email me and don't get a quick response, you might want to
>>>>> call on the phone.  I get about 300 emails per day from alternate
>>>>> energy
>>>>> mailing lists and such.  I don't always see new email messages very
>>>>> quickly.)
>>>>>
>>>>> Ron Frazier
>>>>> 770-205-9422 (O)   Leave a message.
>>>>> linuxdude AT techstarship.com
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Ale mailing list
>>>>> Ale at ale.org
>>>>> http://mail.ale.org/mailman/listinfo/ale
>>>>> See JOBS, ANNOUNCE and SCHOOLS lists at
>>>>> http://mail.ale.org/mailman/listinfo
>>>>
>>>>
>>>>
>>>> --
>>>>
>>>> Sent from my Android Acer A500 tablet with bluetooth keyboard and K-9
>>>> Mail.
>>>> Please excuse my potential brevity.
>>>>
>>>> (To whom it may concern.  My email address has changed.  Replying to
>>>> former
>>>> messages prior to 03/31/12 with my personal address will go to the wrong
>>>> address.  Please send all personal correspondence to the new address.)
>>>>
>>>> (PS - If you email me and don't get a quick response, you might want to
>>>> call on the phone.  I get about 300 emails per day from alternate energy
>>>> mailing lists and such.  I don't always see new email messages very
>>>> quickly.)
>>>>
>>>> Ron Frazier
>>>> 770-205-9422 (O)   Leave a message.
>>>> linuxdude AT techstarship.com
>>>>
>>>>
>>>> _______________________________________________
>>>> Ale mailing list
>>>> Ale at ale.org
>>>> http://mail.ale.org/mailman/listinfo/ale
>>>> See JOBS, ANNOUNCE and SCHOOLS lists at
>>>> http://mail.ale.org/mailman/listinfo
>>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> Ale mailing list
>>> Ale at ale.org
>>> http://mail.ale.org/mailman/listinfo/ale
>>> See JOBS, ANNOUNCE and SCHOOLS lists at
>>> http://mail.ale.org/mailman/listinfo
>>>
>>
>> _______________________________________________
>> Ale mailing list
>> Ale at ale.org
>> http://mail.ale.org/mailman/listinfo/ale
>> See JOBS, ANNOUNCE and SCHOOLS lists at
>> http://mail.ale.org/mailman/listinfo
>
>
>