Re: [LAD] [semi-OT] midi snakes using CAT5?

From: Gene Heskett <gene.heskett@email-addr-hidden>
Date: Mon Nov 02 2009 - 01:56:15 EET

On Sunday 01 November 2009, Arnold Krille wrote:
>Hi,
>
>On Sunday 01 November 2009 16:47:44 Jörn Nettingsmeier wrote:
>> i'm playing with my shiny new BCF2K, and i'm going to use it some
>> distance from my machine, so i'm going to try a midi link instead of USB.
>> what is the maximum length of midi chain that you have used without
>> problems? i read somewhere that no more than 15 meters are recommended,
>> which strikes me as pretty short even if it's unbalanced.
>> my idea is to abuse a cat5 cable as a triple midi loom - do you think
>> that could work? pinout would be as follows:
>> 1 midi 1 signal
>> 2 midi 1 ground
>> 3 midi 2 signal
>> 4 midi 2 ground
>> 5 midi 3 signal
>> 6 midi 6 ground
>> 7 common +5V
>> 8 common +5V
>
>If you want to make use of the drilling of the pins in cat5, it should be
>
>1+2 Midi 1
>3+6 Midi 2
>4+5 Midi 3
>7+8 Midi 4
>
>Why do you want to carry 5V? According to my docs, Midi is just Signal+ and
>Signal- and shield. Which, when carried over Cat5, should be all on the
>shield.

Except that I have yet to see a piece of cat5 with shielding.

>I made myself some adaptors Midi->XLR->Midi a year ago but never actually
> used them to date.
>
>Have fun,
>
>Arnold
>

-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
The NRA is offering FREE Associate memberships to anyone who wants them.
<https://www.nrahq.org/nrabonus/accept-membership.asp>
"I will make no bargains with terrorist hardware."
-- Peter da Silva
_______________________________________________
Linux-audio-dev mailing list
Linux-audio-dev@email-addr-hidden
http://lists.linuxaudio.org/mailman/listinfo/linux-audio-dev
Received on Mon Nov 2 04:15:01 2009

This archive was generated by hypermail 2.1.8 : Mon Nov 02 2009 - 04:15:02 EET