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000293_news@columbia.edu_Mon Jul 10 21:04:06 1995.msg
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From: caetta@biollante.jpl.nasa.gov (Jennifer Caetta)
Newsgroups: comp.protocols.kermit.misc
Subject: C-Kermit, SunOS 4.1.4, direct connection
Date: 10 Jul 1995 14:04:06 -0700
Organization: Jet Propulsion Laboratory - Pasadena CA
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I'm trying to get two Sun Sparcstations to talk to each other
over a direct serial line/null modem connection; I'm writing
software which will use Kermit to talk to a piece of hardware which
the second sun is imitating.
My only problem is that I've done everything (I think *wry grin*)
that the C-Kermit manual says (yes, I bought it), and I can't find
a similar problem in the FAQ (If I just missed it, I apologize, but
I *did* look...).
Here's the settings of *both* sides of the sun:
biollante:/home//caetta/mgs/kermit/biollante <38 > stty -a
speed 9600 baud, 48 rows, 80 columns
parenb -parodd cs7 -cstopb -hupcl cread -clocal crtscts
-ignbrk brkint ignpar -parmrk -inpck istrip -inlcr -igncr icrnl -iuclc
-ixon ixany -ixoff imaxbel
isig iexten icanon -xcase echo echoe echok -echonl -noflsh -tostop
echoctl -echoprt echoke
opost -olcuc onlcr -ocrnl -onocr -onlret -ofill -ofdel
erase kill werase rprnt flush lnext susp intr quit stop eof
^H ^U ^W ^R ^O ^V ^Z/^Y ^C ^\ ^S/^Q ^D
And here's the kermit settings on *both* sides:
C-Kermit>show comm
Communications Parameters:
Line: /dev/ttya, speed: 9600, mode: local, modem: none
Terminal bits: 7, parity: even, duplex: full, flow: rts/cts, handshake: none
Carrier: off, lockfile: /var/spool/locks/LCK..ttya
Escape character: 28 (^\)
Dial directory: (none)
Dial hangup: on, dial modem-hangup: on
Dial kermit-spoof: off, dial display: off
Dial speed-matching: on, dial mnp-enable: off
Dial init-string: (none)
Dial dial-command: (none)
Dial prefix: (none)
Dial timeout: 0 (auto), Redial number: (none)
Carrier Detect (CD): Off
Dataset Ready (DSR): Off
Clear To Send (CTS): Off
Ring Indicator (RI): Off
Data Terminal Ready (DTR): On
Request to Send (RTS): On
I think I've done everything to tell the Sun (and C-Kermit) that
this is a direct connection, with rts/cts flow control. I also
actually *did* realize I had to switch the jumper inside the pizza
box to make the sparcs use RS-232.
However, this is the sending side:
C-Kermit>send test.file
ST%T%T%T%T%T%T%T%T%T%T%TE
?Too many retries.
C-Kermit>
And the receiving side (simultaneously):
C-Kermit>receive
TNTNTNTNTNTNTNTNTNTNTNTE
?Sent too many NAKs.
I'm perfectly willing to admit I know very little about using
the direct serial/null modems between Suns (gee, I tend to use
tcp/ip..*Grin*), so if it's an obvious answer, go ahead and
tell me because it's not so obvious to me *smile*. Please
send responses directly to me (caetta@biollante.jpl.nasa.gov).
Thanks a bunch in advance for all your help!!
-Jennifer Caetta
--
--feeling like the Swedish Chef w/ a hangover....