In article <1993Apr7.180536.20601@dsg.cs.tcd.ie> I wrote:
>Could anyone send me the pinout of the serial ports on an IPC. I need to
Well, I got a few answers, thanks.
It was in the FM but ...... here it is. I got the cable made up and it
worked fine. I would not have been able to do it as quickly as I did
without all the help from the people below.
Thanks to:
herman@telecom.ti.com (Herman Schuurman)
Gary.Cook@Corp.Sun.COM (Gary Cook - ICON Edu Mgr)
hargen@sybus.com (Bill Hargen)
mikey@ccs.carleton.ca (Mike G
gambhir@sun490.fdu.edu (Dinesh Gambhir)
----------------------------------------
Date: Fri, 9 Apr 93 11:11 EDT
From: Bill Hargen
Subject: Re: Need pinout of db-8 connector on IPC to connect to DB-25 modem
Try the AnswerBook or the IPC hardware install manual that comes with
the IPC.
----------------------------------------
Date: Wed, 7 Apr 93 16:20:28 CDT
From: Herman Schuurman
It's in the SPARCStation IPC Installation Guide, Appendix D: Cables
for Serial Devices. Figure D-7 has the complete serial port adapter
cable pinouts. I've included the important section below:
Din-8 DB-25 Circuit Signal Direction Description
1 20 CD DTR output Data Terminal Ready
2 5 CB CTS input Clear to Send
3 2 BA TxD output Transmit Data
4 7 AB GND - Ground
5 3 BB RxD input Receive Data
6 4 CA RTS output Request to Send
7 8 CF DCD input Data Carrier Detect
8 17 DD RTxC input Receive Clock
The pins on the Din-8 connector look like:
---------
' === `
' `
' | 6 | 7 | 8 `
| ___ ___ ___ |
| 3 4 5 |
` ___ ___ '
` 1 2 '
` '
---------
I hope this is enough to allow you to make a cable.
-- Herman
-- Paul Harrington, phrrngtn@dsg.cs.tcd.ie, phrrngtn@gallimaufry.ie +353 88 599673 Dept. Computer Sci., Trinity College, University of Dublin, Dublin 2, Ireland.
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