AOL on Linux

[Rick Romero]

I thought I saw that it was a USR.  Courier?  Sportster?

Make sure your dip switches are set to default:

UUDUDUUD

U=Up D=Down

The Courier has 10 dips instead of Sporters 8, IIRC, those last two
should be UU also.

oh.. I do happen to have a sportster here:

DIP# STATUS  DESCRIPTION

1  U DTR Normal
   D DTR Override

2  U Verbal Result codes
   D Numeric

3  U Suppress Result Codes
   D Display

4  U Echo offline commands
   D Echo off

5  U AA on first ring
   D AA off

6  U CD Normal
   D CD override

7  U Load NVRAM dflts
   D Load Factory dflts

8  U Dumb mode
   D Smart mode

Sorry if I was wrong about it being a USR and flooded you guys  (but a
"woo-hoo I remembered the dip settings" to myself ;)

Rick

On Wed, 2003-03-12 at 09:00, whitnl73 at juno.com wrote:
> On Wed, 12 Mar 2003, Linux World 999 wrote:
> >
> > I have tried the first of the options as my Linux server is at home and am
> > the only user.  AOL cannot initialise the modem.  The commands "echo atdt
> > 82552569 > dev/ttyS0" do not owrk under a user or root.  The hardware
> > scanner does find the modem and identify it correctly.  Penggy also finds
> > the modem (configured as /dev/ttyS0 in penggy.conf) and dials.  A connection
> > is made but it is slow and unreliable.
> 
> There are some modems which default to CTS only flow control.  By
> default linux uses RTS/CTS hardware flow control, so a modem working
> this way will be slow and unreliable.  I have one modem that needs
> an AT\S3 command to fix this; at that point in the AT command set
> this is very manufacturor-specific.  I hope you have doco for your
> modem.  You may well need to read up on the commands it understands.
> Of course, in a chat script the \S3 needs to be escaped - twice, since
> the way I set it up it goes through bash twice:
> (This is the entire pppd setup for this modem, except the dial command,
> and user name, which you don't need to know.)  /dev/tts/3 is what devfs
> calls what used to be /dev/ttyS3.
> 
> /dev/tts/3
> 115200
> lock
> noipdefault
> debug
> asyncmap 0
> crtscts
> ipcp-accept-remote
> ipcp-accept-local
> defaultroute
> usepeerdns
> connect '/usr/sbin/chat -v ABORT BUSY \
>  "" "AT&FX4&C1&D2&S2\\\\Q3%C0&H0S7=60" \
>  "CONNECT" "" "" ""'
> 
> >
> > Do you have any other ideas?
> >
> > I appreciate your help and advise to date.  Thank you.
> >
> > LW999
> >
> I have never been able to work a modem with echo, or indeed with
> redirection of stdin/stdout.  To unit-test the modem, install cu
> (from the uucp package) or minicom.  The modem may need some
> initialization before you tell it to dial...nine needs an init string
> like so:
> 
>  "" "AT&FM0B1T&B1&H1&R2&K1&M4&S1S13=1S7=60"
> 
> (that is from my pppd chat script, that's why it has a null expect
> string first: "".  I have a similar init string configured into my
> windows mail app, but the pppd chat script is more accessible, so I
> showed you that.  Try at least AT&F to reset the thing to its factory
> defaults, you may well have hurt it messing around with echo.
> 
> 
> It is in the original spec for the Hayes SmartModem 2400 that mIxeD cAse
> in modem commands may cause the modem to behave in an unspecified
> manner, and most modems I have experience with do hANg when commanded in
> this manner, and may need to be reset.  Commands may be in UPPER or
> lower case, but Please don't mix case.
> 
> Repeated
> AT
> AT
> AT
> or ATH
> ATH
> may work instead of a hardware reset.
> 
> I like cu, it is a very crude simple easy to use terminal emulator,
> but you need something like a terminal emulator, you need to both write
> to and read from the modem device with one process.
> 
> well, chat -v will do in a pinch:
> 
> /usr/sbin/chat -v "" "AT&F" "OK" "ATH" </dev/ttyS0 >devttyS0
> 
> look in syslog for any output from chat, you should see
> 
> send (AT&F^M)
> expect (OK)
> AT&F^M
> OK
>  -- got it
> 
> Now let's see if the modem still works...
> 
> Lawson
>  --
> ---oops---
> 
> 
> 
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-- 
--
Rick Romero
IT Manager	
Valeo, Inc.	ph: 262.695.4841
Sussex, WI.	fax: 262.695.4850
Rick at valeoinc.com