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From: mikey@canisius.UUCP (Mike Szymendera)
Newsgroups: sci.electronics
Subject: Diablo API interface pinouts ...
Message-ID: <3260@canisius.UUCP>
Date: 7 Mar 91 22:13:50 GMT
Organization: Canisius College, Buffalo N.Y. 14208
Lines: 32


>From mpratap@CUE.BC.CA (Matt Pratap) Wed Mar  6 01:11:38 1991
>Newsgroups: sci.electronics
>Subject: Diablo API printer interface pinout wanted...

>I  have a few printers that use the Diablo API (A? Printer Interface)
>interfaces and I want to construct cables that convert this
>interface to a db25 plug.
 

The Diablo API supports RS232 serial, Centronics parallel, and optionally
IEEE-488.  What you get depends on the adapter cable that you use- for RS:

   Signal name   I/O pin     RS232 (DB25P)

   Frame ground   22          1
   Transmit data  24          2
   Receive data   48          3
   RTS            23          4    (pulled up to +12)
   DSR            49          6
   Signal ground  47          7
   DTR            25          20

The I/O pin refers to the 50 position connector on the printer- if you want
the parallel pinout, drop me mail and I'll SNail or FAX it to ya. 

--mike
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