From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Fri,  4 Aug 1995 15:22:52 -0400
From: Andreas Meyer ahm@goonsquad.spies.com
Subject: Serial port i/o, how?
Topicbox-Message-UUID: 126caa56-eac8-11e9-9e20-41e7f4b1d025
Message-ID: <19950804192252.DTEN3-lHOwSDusMmdXIclqjnUo4BT1GOVBj4Sa5R-tA@z>

philw@plan9.att.com writes:

> >how do I access a serial port?
> con -r /dev/eia0

When I do this, it just hangs. I'm using a hardware setup (null modem
cable to another machine) which works in DOS.

In another window, 'cat /dev/eia0ctl' returns:
cts dsr ring dcd dtr rts

Is there anything else I need to send to the control port?

Andy