On Fri, 2 Sep 2011, Viesturs L?cis wrote:

Date: Fri, 2 Sep 2011 17:28:01 +0300
From: "[ISO-8859-13] Viesturs L?cis" <[email protected]>
Reply-To: "Enhanced Machine Controller (EMC)"
    <[email protected]>
To: "Enhanced Machine Controller, (EMC)" <[email protected]>
Subject: [Emc-users] Pin numbers in 50 pin cable for Mesa cards

Hello, gentlemen!

I have a queation: how are pins numbered in 50 pin cable for Mesa cards? Is
it like in 25 pin LPT ribbon cable, where the order is 1, 14, 2, 15 etc or
is the order "normal" - 1, 2, 3, 4 etc?

Viesturs

On the flat cable the wires are numbered 1,2,3,4,5 etc with the red wire being pin 1

on a 50 pin header the pins are numbered like this: (top view)

2  4  6  8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50
1  3  5  7  9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49

The pin one end of the connector is marked with a white square or "PIN 1" text on our cards. Also if you look at the back of a card, pin one has a square pad.



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Peter Wallace
Mesa Electronics

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