Connection cable Roland MPU-401 breakout box \ VOGONS

Connection cable Roland MPU-401 breakout box

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First post, by Jackhead

Posted on 2020-04-16, 13:23

Jackhead Offline

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Rank: Oldbie
Posts: 536
Joined: 2020-04-15, 12:10
Location: Germany

Hi,

I managed to find a MPU-401 breakout box with a Low Tech MIF-IPC rev2 interface.
But i need the connection cable.
Anyone a suggestion maybe a link to a cable i can use? I think it musst be full 25pins wired 1:1 ?
So i cant use a seriell db25. Maybe SCSI 1 cable? But i found not really one on ebay..

regards
Chris

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Reply 1 of 1, by sndtst

Posted on 2022-09-29, 17:42

sndtst Offline

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Joined: 2018-05-21, 04:48
Location: Livermore, CA

According to this scan of a Roland document (http://www.symphoniae.com/synth/Roland/MPU401 … F-IPC_Cable.pdf) the cable is a direct pass through of all pins with the exception of pin 13 and 25 which are described as " straight across and also crossed wired". I only have half of an original cable but looking inside I don't see any cross wiring and looking at the circuit of the IPC and the MPU-401 and it looks like tho use pins are ground pins. I just tested my MPU-401 and MIF-IPC with a 25 pin straight through serial cable and it works perfectly 😀

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