I have a device that requires a serial port which I do not have on my
computer and was told I could get a USB to serial port adapter which plugs
into the usb and you attach the device to the serial end of the adapter.
I was wondering if these actually work and are wroth a go ?
James wrote:
>
> I have a device that requires a serial port which I do not have
> on my computer and was told I could get a USB to serial port
> adapter which plugs into the usb and you attach the device to the
> serial end of the adapter.
>
> I was wondering if these actually work and are wroth a go ?
That depends on what you want to do with the serial port.
--
[mail]: Chuck F (cbfalconer at maineline dot net)
[page]: <http://cbfalconer.home.att.net>
Try the download section.
"James" <James@here.com> wrote in message
news:UsWdnb0thNi-VI3VnZ2dnUVZ8h6dnZ2d@bt.com...
>I have a device that requires a serial port which I do not have on my
>computer and was told I could get a USB to serial port adapter which plugs
>into the usb and you attach the device to the serial end of the adapter.
>
> I was wondering if these actually work and are wroth a go ?
Hi J. Go to www.google.com and type in USB to Serial.
You`ll get loads of responses. Just take your pick.
BW..
On Thu, 24 Apr 2008 18:53:42 +0100, "James" <James@here.com>
wrote:
>I have a device that requires a serial port which I do not have on my
>computer and was told I could get a USB to serial port adapter which plugs
>into the usb and you attach the device to the serial end of the adapter.
>
>I was wondering if these actually work and are wroth a go ?
>
"James" <James@here.com> wrote in message
news:UsWdnb0thNi-VI3VnZ2dnUVZ8h6dnZ2d@bt.com...
> I have a device that requires a serial port which I do not have on my
> computer and was told I could get a USB to serial port adapter which plugs
> into the usb and you attach the device to the serial end of the adapter.
>
> I was wondering if these actually work and are wroth a go ?
While I do not have one myself I have seen some of the problems that can
occur.
The results seem to depend on the requirements of your serial device and the
operating software of your computer. If it just wants to use the transmit,
receive, and ground connections then just about any of them seem to work.
The complications/problems seem to crop up if your device needs to see
serial control pins toggle or change state. RTS/CTS/DSR/DTR are the most
common signaling pins used by most of the older modems. If your device
needs to use the signaling pins then make sure you read the specs on the
converter before purchasing one.
If you are trying to support an older external modem your best bet might be
to post a message in the comp.dcom.modems specifying your modem model and
asking if anyone has a working USB adaptor with their modem.
If your serial device uses synchronous (clock signals along with the
previously mentioned signals) rather than an asynchronous data your most
likely out of luck. I have not seen a USB/Serial adaptor that supports the
synchronous data format but one might exist somewhere.
On Thu, 24 Apr 2008 23:42:55 -0500, "GlowingBlueMist"
<nobody@invalid.com> wrote:
>"James" <James@here.com> wrote in message
>news:UsWdnb0thNi-VI3VnZ2dnUVZ8h6dnZ2d@bt.com...
>> I have a device that requires a serial port which I do not have on my
>> computer and was told I could get a USB to serial port adapter which plugs
>> into the usb and you attach the device to the serial end of the adapter.
>>
>> I was wondering if these actually work and are wroth a go ?
Yes. They do work.
>The results seem to depend on the requirements of your serial device and the
>operating software of your computer. If it just wants to use the transmit,
>receive, and ground connections then just about any of them seem to work.
>
>The complications/problems seem to crop up if your device needs to see
>serial control pins toggle or change state. RTS/CTS/DSR/DTR are the most
>common signaling pins used by most of the older modems. If your device
>needs to use the signaling pins then make sure you read the specs on the
>converter before purchasing one.
Most allow you to set handshaking to hardware, software or none.
Some even allow setting both hardware and software handshake.
>If your serial device uses synchronous (clock signals along with the
>previously mentioned signals) rather than an asynchronous data your most
>likely out of luck.
As you would with any standard PC serial port :-)
All PC serial ports are based on a UART.
Guess where the A comes from :-)
USB to serial port converter 
Linear Mode
