[ale] [Slightly OT] Prolific

simontek at gmail.com simontek at gmail.com
Wed Nov 7 13:47:44 EST 2012 

If money isn't an issue, get a console server. Allows you to connect serial devices to a network.
Sent via BlackBerry from T-Mobile

-----Original Message-----
From: Jim Kinney <jim.kinney at gmail.com>
Sender: ale-bounces at ale.org
Date: Wed, 7 Nov 2012 13:39:29 
To: Atlanta Linux Enthusiasts<ale at ale.org>
Reply-To: Atlanta Linux Enthusiasts <ale at ale.org>
Subject: Re: [ale] [Slightly OT] Prolific

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
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>>>>
>>>>
>>>>
>>>> --
>>>>
>>>> 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
>>>
>>
>>
>>
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>
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-- 
--
James P. Kinney III

Every time you stop a school, you will have to build a jail. What you
gain at one end you lose at the other. It's like feeding a dog on his
own tail. It won't fatten the dog.
- Speech 11/23/1900 Mark Twain

http://electjimkinney.org
http://heretothereideas.blogspot.com/

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