modem question

Basil Chupin blchupin at iinet.net.au
Sun May 27 09:09:50 UTC 2012


On 27/05/12 18:35, Ric Moore wrote:
> On 05/26/2012 11:22 PM, Basil Chupin wrote:
>> On 27/05/12 07:45, Ric Moore wrote:
>>> On 05/25/2012 11:04 AM, Linda wrote:
>>>> I have a computer set up so you can dial in and work on it from
>>>> another location. Lately I am having problems that if the line
>>>> disconnects (our phone lines have problems) the computer is not
>>>> releasing the modem so you then can not call back in and reconnect
>>>> without having someone on site shutdown the computer and restart it.
>>>> My question is should I be looking at settings for the modem or for
>>>> mgetty to ensure that if the call is broken that ttyS1 is freed back
>>>> up and the modem is reset so it can answer the new call. In the past
>>>> the most I had to do was get someone to turn off the modem and turn
>>>> it back on in a few minutes to reset everything so you could call
>>>> in.
>>>
>>>
>>> AH!! Olde SKOOL!! It's your init string. It should automatically
>>> detect that the call is dropped and re-init itself which mgetty will
>>> pick up on. Just do a google search on your modem and you will find a
>>> good init string for it. I USED to know all this stuff by heart, but I
>>> have conveniently forgotten it all. I used to have 8 phone lines to my
>>> Linux based BBS with various modems that all had to be properly
>>> configured to avoid what is happening to you. Getting your init string
>>> correct is a beautiful thing. Keep it written down in a safe place,
>>> just in case something mangles it. :) Ric
>>
>> I think it is the S10 register....I think :-) .
>
> D2 is rattling around in my brain for some reason.
> http://www.56k.com/inits/a2z.shtml

This series of posts has started me on the "nostalgia quest" :-) . A few 
minutes ago I found this in my notebook as the init string for one of my 
modems:

B0 E0 S95=47 W1 X3 &C1 &D2 \N5 S11=75 % %C3 % %E2 &W &W1

What the heck all of this means I now don't remember! :-D

But in there is the "D2" you mention.

> Hopefully, this a REAL modem, like an external US Robotics, and not 
> some $2 internal "win-modem". Ric

Oh god, not one of those "Win-modems" :'( .

Mind you, there was one internal modem which used a Conexant chip which 
performed flawlessly with a driver which, to begin with, was free but 
then capitalism took over and the driver cost an arm and a leg - but it 
WORKED. (Actually, I still have the modem somewhere in the darkroom in 
the garage.)

BC

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