TITLE
DuoDisk: Cable Specifications and Pinouts 

Article ID: 2396
Created: 1/26/88
Modified: 12/14/92
 

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TOPIC 


Article Change History
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12/14/92 - EXPANDED and RETITLED
* To include specifications.




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DISCUSSION 


Specifications
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* Wire connection must withstand 3 lbs. without breaking.
* Each contact must withstand 10 lbs. of force.
* Cable must withstand 15 lbs. of pull without damage.


Pinouts
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The pin-outs for the DB-19-to-disk cable (P/N 590-0114) are:


DB-25 Function DB-19
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2-------------------Ground---------------------1
4-------------------Ground---------------------2
9,21----------------Ground---------------------3
10,14---------------Ground---------------------4
23-----------------[-12 volts]-----------------5
7------------------- +5 volts------------------6
19------------------- +12 volts----------------7
20------------------- 12 volts-----------------8
8------------------- ENBL B -------------------9
12------------------- WR PROT-----------------10
15------------------- 00 ---------------------11
16------------------- 01 ---------------------12
17------------------- 02 ---------------------13
18------------------- 03 ---------------------14
5-------------------- WR REQ ------------------15
24------------------- +5 volts-----------------16
11------------------- ENBL A-------------------17
3-------------------- RD DATA------------------18
6-------------------- WR DATA------------------19
1,13,22,25--------------------------No connection

Pins 1 and 25 of the DB-25 connector are not connected.