Re: Useful Gadget of the Week: USB to 4 RS-232 Serial Ports

[jimf@xxxxxxxxxxxxxxxx]

I guess Medical is a bit too strong a word..  Optical fits better.

it's to gather readings from the eye-test equipment and store onto
customer records.
We have currently 16 stores using the new FTDI based 4-port serial
hubs, and will be rolling out another 160 over the next few months.
On Thu 04/08/11 12:00 PM , Joseph Heenan joseph-l@xxxxxxx sent:
I've come across startech recently, they seem to have some
reasonable
and not hugely expensive usbserial - this one has COM port
retention:

http://uk.startech.com/Cards-Adapters/Serial-Cards-Adapters/1-ft-USB-to-RS232-Serial-DB9-Adapter-Cable-with-COM-Retention~ICUSB232PRO
[1]
or:
http://tinyurl.com/3w4w4ll [2]
(a google search for ICUSB232PRO will turn up other vendors)
They do a 2 port at 31.99, but I don't think they do a 4 port
unfortunately. They also have a single port prolific one that has
genuine prolific chips.
Don't think I'd use anything that cheap in a medical setting though!
Joseph
On 04/08/2011 10:17, Phil Harris wrote:
> Whyzat?
>
> W.R.T. the original "Prolific chipset" issue raised I have
to say
that the Prolific units I've had in the past have been OK for
non-critical use (programming C-Bus, HomeVision etc.) but - as I
think was the suggestion from the follow-up post - sometimes they
*CAN* disconnect and reconnect as a different COM port. If you're
using USB to serial adapters in a commercial (or, more importantly,
medical or other mission critical environment) then I wouldn't risk
the consumer level USB to serial interfaces.
>
> For my own "critical" stuff (i.e. HomeGate interface to
RS232
equipped kit) I have a couple of the KeySpan USB to four serial port
adapters. They're expensive and I don't know whether they are still
made but they've been absolutely bulletproof and have worked in
scenarios (programming up logic boards and running test kit at work)
where other USB to serial adapters have failed. They also come up
repeatedly as the same serial port no matter which USB port on the
machine they find themselves attached to.
>
> Cheers
>
> Phil
>
> -----Original Message-----
> From: ukha_d@xxxxxxx [3] [mailto:ukha_d@xxxxxxx
[4]] On Behalf Of Stuart Poulton
> Sent: 04 August 2011 09:37
> To: ukha_d@xxxxxxx [5]
> Subject: Re: [ukha_d] Useful Gadget of the Week: USB to 4 RS-232
Serial Ports
>
> Out of interest, would USB to serial convertors where the serial
> connection is an RJ45 socket be of interest to anyone ?
>
> Stuart
>
>
> ------------------------------------
>
>
> Yahoo! Groups Links
>
>
>
>
>
> ------------------------------------
>
>
> Yahoo! Groups Links
>
>
>



Links:
------
[1]
http://uk.startech.com/Cards-Adapters/Serial-Cards-Adapters/1-ft-USB-to-RS232-Serial-DB9-Adapter-Cable-with-COM-Retention~ICUSB232PRO
[2] http://tinyurl.com/3w4w4ll
[3] mailto:ukha_d@xxxxxxx
[4] mailto:ukha_d@xxxxxxx
[5] mailto:ukha_d@xxxxxxx
[6]
mailto:ukha_d@xxxxxxx?subject=Re:%20%5Bukha_d%5D%20Useful%20Gadget%20of%20the%20Week:%20USB%20to%204%20RS-232%20Serial%20Ports
[7]
http://groups.yahoo.com/group/ukha_d/post;_ylc=X3oDMTJycjc5a2JlBF9TAzk3MzU5NzE0BGdycElkAzExMDk2MzkEZ3Jwc3BJZAMxNzA1MDQxOTkyBG1zZ0lkAzE2MjQ2NARzZWMDZnRyBHNsawNycGx5BHN0aW1lAzEzMTI0NTU4MDA-?act=reply&messageNum=162464
[8]
http://groups.yahoo.com/group/ukha_d/message/162439;_ylc=X3oDMTM4cnU3cjY5BF9TAzk3MzU5NzE0BGdycElkAzExMDk2MzkEZ3Jwc3BJZAMxNzA1MDQxOTkyBG1zZ0lkAzE2MjQ2NARzZWMDZnRyBHNsawN2dHBjBHN0aW1lAzEzMTI0NTU4MDAEdHBjSWQDMTYyNDM5
[9] http://www.automatedhome.co.uk/vbulletin/
[10] http://www.automatedhome.co.uk


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