[Coco] serial cable tricks for drivewire?

[camillus Blockx]

Hi,

Maybe use utp cable or maybe Infra red link would work google for infrared
ethernet link.

succes

cba

On Thu, Mar 1, 2012 at 3:42 PM, Bob Devries <devries.bob at gmail.com> wrote:

> Hi again, Robert.
>
> I found this on a website (see below for URL):
>
> Reduce the cable capacitance as far as possible. RS232 does not carry a
> lot of current so anything larger than 0.02mm2 (because anything smaller
> will break!) is a waste of copper. Reducing the outer area of copper will
> automatically reduce the capacitance of the cable, and significantly too. A
> favourite cable for wiring fixed installations is indoor telephone cable
> (ITC).
> The second (and more important factor) is that every signal uses a twisted
> pair with one leg being a ground return, regardless of what the signal is
> (and this includes DCD, RI, etc.). Again, the favoured ITC is already in
> twisted pairs.
>
> http://www.marcspages.co.uk/**tech/long232.htm<http://www.marcspages.co.uk/tech/long232.htm>
>
>
> Regards, Bob Devries
> 27º10'26"S, 151º16'30"E
>
>
> ----- Original Message ----- From: "Robert Hermanek" <
> rhermanek at centurytel.net>
> To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
> Sent: Friday, March 02, 2012 6:59 AM
> Subject: [Coco] serial cable tricks for drivewire?
>
>
>  I have a number of coco's connected to a single server via serial cables
>> and drivewire.  The drivewire server in this case is an application I wrote
>> myself to be compatible with DW3 HDB-DOS, and since it allows multiple
>> coco's to access the same DSK images simultaneously, it makes it easy to
>> swap files between coco's, i.e. build program in Edtasm on one machine,
>> swivel chair and execute it on another...
>>
>> Sounds great, but the downside to my setup is that the server is located
>> far away from some of my coco's, and in one case I end up with a serial
>> cable that is 50+ feet long.  This connection is not reliable at 115k baud.
>>
>> I'm guessing 50+ feet (with no hardware flow control) is well beyond the
>> official maximum length of a serial cable.  Does anyone know of any tricks
>> to allow longer serial cable connections to function? i.e., better
>> connectors, different cable, things like that?
>>
>> -Robert Hermanek
>>
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>>
>
>
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