[torontocbm] Re: Length of serial cable

  • From: "Daniel Kovacs" <danielkovacs@xxxxxxxxxxxxxx>
  • To: <torontocbm@xxxxxxxxxxxxx>
  • Date: Fri, 3 Apr 2009 12:08:55 -0400

I'm building an entertainment centre in my basement with a bunch of my game systems in it, and the plan is to have my C128 on the level I can type at and the drives up on a shelf - 6-7 feet away. I only have short IEC cables, so was thinking of building my own. I haven't started anything yet.


Dan
----- Original Message ----- From: "Leif Bloomquist" <leif@xxxxxxxxxxxxxxxx>
To: <torontocbm@xxxxxxxxxxxxx>
Sent: Friday, April 03, 2009 11:25 AM
Subject: [torontocbm] Re: Length of serial cable


I've got an IEC cable that is about 10 feet long, and it works fine.
Probably not to spec, but it does work.

The programmer's reference guide gives timings and levels for the IEC
bus, someone could probably take those numbers to derive the maximum
allowable cable length .  Or did Commodore give a spec somewhere?

-Leif


On Fri, Apr 3, 2009 at 11:09 AM, Tom Luff <tomluff@xxxxxxxxxx> wrote:
How long do you need your cable???
Standard IEC cable for the Floppy Disk Drives are about 3 feet, for printers
they can be 6 feet but are a little larger in diameter due to the thicker
wire. Thin wires loss signal strength over greater distance.

Cat 5 cable I think is alright.

Tom L

--- On Thu, 4/2/09, Daniel Kovacs <danielkovacs@xxxxxxxxxxxxxx> wrote:

From: Daniel Kovacs <danielkovacs@xxxxxxxxxxxxxx>
Subject: [torontocbm] Length of serial cable
To: "Toronto CBM" <torontocbm@xxxxxxxxxxxxx>
Received: Thursday, April 2, 2009, 8:27 PM

Hi Everyone;

I'm sure this has been asked before ...

How long can an IEC cable be? Has anyone here built one with cat 5 cable?

Dan



--
Leif Bloomquist
leif(at)schemafactor(dot)com
http://home.ica.net/~leifb/

"It's better to light a candle, than curse the darkness." - Chinese Proverb



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