Subject: Re: uVAX II Console terminal cable
To: None <Port-vax@NetBSD.ORG>
From: Kees Stravers <pb0aia@iaehv.nl>
List: port-vax
Date: 06/19/1998 14:03:09
 Pi>> Could someone tell me what uVAX II wants as its console terminal
 Pi>>settings?  The speed was easy to figure out as there was a knob to
 Pi>>set it to 9600 at  rear, but.. What should the databits, parity
 Pi>>and stopbits be? How about  flow control? How long time it should
 Pi>>take from power-up to get the  >>> prompt? Thank you in advance.
 Pi>9600 8N1, xon/off (software flow control).  I use a 3 wire cable
 Pi>with only transmit, receive, and ground signals going from the
 Pi>MicroVAX II console port to a VT340.
 Pi>However, the MicroVAX II DE-9 console port pinouts aren't the same
 Pi>at those used by the IBM AT DE-9 configuration which is what just
 Pi>about every pre-made cable is using these days.  I don't know the
 Pi>pinouts off the top of my head, but they should be buried in the
 Pi>archives somewhere.


   VAX 9 pin console          PC 9 pin serial        PC 25 pin serial
   1 - Shield GND             2 - Received data      1 - Shield ground
   2 - Transmitted data       3 - Transmitted data   2 - Transmitted data
   3 - Received data          5 - Signal GND         3 - Received data
   7 - Signal GND             1 - DCD                7 - Signal GND
   8 - sense console 1        4 - DTR                8 - DCD
   9 - sense console 2        6 - DSR               20 - DTR
                              7 - RTS                6 - DSR
                              8 - CTS                4 - RTS
                                                     5 - CTS
The cable

VAX         PC9 PC25
2 ---------  2   3

3 ---------  3   2

7 ---------  5   7

8 -+     +-  1   8
   |     |
9 -+     +-  4  20
         |
         +-  6   6

         +-  7   4
         |
         +-  8   5



Kees

-- 

Kees Stravers - Geldrop, The Netherlands - pb0aia at amsat dot org
Sysadmin and DEC PDP/VAX preservationist - http://vaxarchive.ml.org

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