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000302_news@columbia.edu _Mon May 15 14:07:48 2000.msg
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From: fdc@columbia.edu (Frank da Cruz)
Subject: Re: A missing warning when we type Server command (as opposed connect.)
Date: 15 May 2000 17:54:53 GMT
Organization: Columbia University
Message-ID: <8fpdld$8is$1@newsmaster.cc.columbia.edu>
To: kermit.misc@columbia.edu
In article <39200EFC.119D90C5@yk.rim.or.jp>,
Ishikawa <ishikawa@yk.rim.or.jp> wrote:
: (/tmp/) C-Kermit>server
: ...
: ?Carrier required but not detected
: (/tmp/) C-Kermit>set carrier-watch off
: (/tmp/) C-Kermit>server
: Entering server mode on /dev/ttya
: Type Ctrl-C to quit.
: --- end quote ---
:
: Please note the "?Carrier required but not detected." message.
: I am not sure why this appears.
: If I don't issue set carrier-watch off (for this direct connection using
: cross cable), I won't be able to run "server" due to this error.
: This is why I thought a big letter warning (using some banner lines like
: **********************, etc.. ) is a good idea.
:
OK, now I understand. You want a "hint" when this happens, but we currently
do not provide one -- just a one-line message.
In any case, my previous answer was partially wrong -- you DO need SET
CARRIER-WATCH OFF prior to server if there is no connection AND if the
underlying platform supports application-level modem-signal testing.
But in any case, the normal way to set up a server so so you can dial
into it later (with a modem is):
: > set line /dev/cua
: > set speed 57600
: > set flow rts/cts
: > answer ; Wait for a call to come in
: > if success server ; Only then, enter server mode
:
: The above scenario makes sense except that
: my solaris PC won't start server without set carrier-watch off.
: Am I missing something?
:
If it's a direct connection with proper modem signals (i.e. DTR and CD
cross-connected):
set line /dev/cua
set speed 57600
set flow rts/cts
wait 9999 cd ; Wait for Carrier Detect
if success server ; Only then, enter server mode
Finally, for a direct connection that does not have DTR and CD crossed:
set carrier-watch off
set line /dev/cua
set speed 57600
set flow rts/cts
server
: Aha, I noticed that /dev/cua is a modem line where as I used
: direct connection serial port (without modem control).
:
It was only an illustration. Use the appropriate device name.
- Frank