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- Newsgroups: comp.sys.sun.admin
- Path: sparky!uunet!gatech!destroyer!wsu-cs!vela!w8hd!kimc
- From: kimc@w8hd.org (Kim Culhan)
- Subject: Re: dial-in modem setup
- Message-ID: <1992Dec28.230204.4084@w8hd.org>
- Organization: w8hd.org
- References: <1992Dec10.083915.27482@cucs5.cs.cuhk.hk> <28115@dog.ee.lbl.gov> <1992Dec23.161954.15618@w8hd.org> <1992Dec28.182240.28392@alw.nih.gov>
- Distribution: na
- Date: Mon, 28 Dec 1992 23:02:04 GMT
- Lines: 52
-
- jwa@yog-sothoth.dcrt.nih.gov (James W. Adams) writes:
-
- >In article <1992Dec23.161954.15618@w8hd.org> I wrote:
- >>
- >>I didn't do anything with gettydefs (doesn't exist on my 4.1.2 system.)
- >>If you set the modem to 'always return carrier high' then
- >>there is, of courese, no way for the machine to get the message that
- >>a connection has been made. I found I needed it to be high in order to
- >>communicate with it on outbound calls, however.
- >>If CD is not asserted, you can't see any data coming from it (try it..)
- >>I found the ideal solution to this problem to be this:
- >>[...]
-
- >Read the zs man page. It tells you how to configure the port to dial
- >out without CD asserted using a device with minor number 128 greater
- >than the corresponding /dev/tty*
-
- This *is* the way I have the port configured.
- The port will dial out fine but if you don't do as I described, you
- can't see what the modem returns on the console whn running the
- tip program.
-
- >This, combined with disabling echo and result codes and using the &D3
- >mode to reset the modem, will work for outgoing and incoming calls.
-
- I know it will work. Thats why I posted the info on how to do this.
- Also, you don't need to disable echo and result codes :)
-
- >You can then set the modem so CD follows carrier. The built-in locking
- >will prevent getty from opening the corresponding /dev/tty* device when
- >CD goes high on outgoing data calls.
-
- My description included a scheme for setting the modem which involves
- initializing it to allow CD to follow carrier. Whats locking got to do
- with this?
- -Did you read my post?
-
- >You can put an initialization string in applications such as Kermit that
- >use result codes in order to reset echo and result codes if needed.
-
- Huh?
-
- [stuff deleted]
-
- Like I said in my post, if you have trouble following my description
- let me know and I'll try again.
- regards
- kim culhan
- ------
- kimc@w8hd.org
-
-
-