SVR4 (i386) serial port setup

[john.urban]

In article <G1WQAAK at geminix.in-berlin.de> gemini at geminix.in-berlin.de (Uwe Doering) writes:
>urban at cbnewsl.att.com (john.urban) writes:
>
>>I forgot to ask this question before. The modem that you're using, does it
>>have DTR strapped high or is it unstrapped?  If its strapped high, then I
>>don't know what the problem is.  However, if it's unstrapped, you might
>>not have the ,M in the Devices file for your "cu" port.
>>
>>ie: ACU tty01,M -  1200 hayes1200
>>
>>The ,M "tells" cu, ct or uucico not to worry about DTR during the \M to \m
>>Dialers string in the Dialers file.  I think the BNU Guide talks about this.
>>I don't have the guides in front of me.
>
>This isn't quite right. I assume you meant DCD instead of DTR. DTR is
>an output while DCD is the carrier detect input that blocks the open()
>call if it is low.
>

That's true I did mean DCD and not DTR.  I was working from home yesterday and
did not have all my crib sheets in front of me.  However, the ,M is probably
the fix that is needed.  We add the ,M to the Device entries when we use
a Hayes Modem.

Sincerely,

John Ben Urban