USB to Serial Port Converters

Karl F. Larsen klarsen1 at gmail.com
Tue Mar 2 01:52:25 UTC 2010


sdavmor wrote, On 03/01/2010 02:12 PM:
> Karl F. Larsen wrote:
>> sdavmor wrote, On 02/28/2010 08:10 PM:
>>> Knute Johnson wrote:
>>>> On 2/27/2010 4:53 AM, Karl F. Larsen wrote:
>>>>> A year or two ago I bought one of these, with CE  FC as the maker
>>>>> of this device. It does not work well at all.
>>>>>
>>>>> I need one that reliably puts 5 volts from the USB onto the
>>>>> proper serial port pin. I also need to use the serial port
>>>>> XON/XOF flow control.
>>>>>
>>>>> Can anyone give me a clue as to what to buy? My old one provides
>>>>> the 5 volts for about 15 seconds and quits.
>>>>>
>>>>>
>>>>> 73 Karl
>>>>>
>>>>>
>>>>>
>>>> Unless you have a laptop, why don't you just buy a real serial port
>>>> for your computer.  It will have the appropriate 15 volts on the
>>>> signal pins too.
>>> LAVA out of Canada does a fine range of PCI&   PCI Express cards for
>>> genuine serial / parallel and combo ports. I've used them for several
>>> years.
>>>
>>> <http://www.lavalink.com/>
>>
>>
>> 	Thanks for the URL. I went right to the LAVA company and they
>> do make a single serial port PCI card that has information on
>> using that card on Linux!
>>
>> 	The only down side is the cost. It will cost about $80.00
>> with shipping from the LAVA store.
>>
>> 73 Karl
>
> They're not cheap, but they are rock solid. I mainly go to LAVA for
> PCI&  PCI express parallel port cards for use with dot-matrix impact
> printers needed in customer stores.

	I bought a PCI card serial port device that was cheap and 
said it works with Linux so we will see. I think the PCI card 
idea is best.

73 Karl


-- 

	Karl F. Larsen, AKA K5DI
	Linux User
	#450462   http://counter.li.org.
         Key ID = 3951B48D





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