Altos 586 using a 2400b Modem
Scott Scheingold
scott at phlpa.UUCP
Mon Apr 15 10:26:58 AEST 1991
In article <233 at willow.MV.COM>, shawn at willow.MV.COM (Shawn M. Rogers) writes:
> Hi,
>
> I've got a client using an Altos 586. I would like to provide support
> via modem since their site is somewhat far away. The machine has 1
> port available (tty6).
>
> According to the manual, the jumpers at location E-17 on the motherboard must
> be changed from 4-6, 1-3 to 3-4, 5-6. I made this change. I then ran
> 'pconfig' and configured tty6 as a 2400 baud modem port. The manual says that
> the following command must be issued by root, which I did:
>
> disable tty6
> /etc/modem tty6
> enable tty6
>
>
> The Problem: The modem is not answering the phone, so I cannot get a login.
> The type of modem being used is just your basic 2400 Hayes compatible type
> modem. The cable I'm using was made using the pinouts in the manual.
>
> Any help getting this thing working would be greatly appreciated. Thanks!
When I installed SCO UNIX SYS V/386 Rel 3.2.2 I had to tell
the modem to answer the phone by issueing some of the hayes commands.
I will list them here as they appear in my sysadm manual.
AT&F Fetches factory configuration
ATT is Tone dialing
ATL0 is low speaker volume
AT&D2 sets DTR "2": goes on hook when DTR drops
AT&C1 Sets carrier detect (CD) to "1"
ATS0=1 Answers the phone after 1 ring
ATS2=128 disables the modem escape sequence
ATE0 does not echo
ATQ1 in quiet mode (does not answer with OK after this command)
AT&W Stores your settings in no volitle memory
Now I cannot garentee that this will work for your system but this was
neede to make my modem work with the operating system. I belive that
all that you are doing with the enable command is setting up a getty
process to expect a login on that line (tty6). I have no idea what the
command is '/ect/modem'. If you store these settings in nonvolitle memory
with the modem and it does not work then all you have to do is
issue the command AT&F and AT&W and it will erase the configuration
that you just put in.
Please remember that this worked for **MY** modem. It may not work for
yours. I have a viva modem 24 external. Please check the modem manual
against the setting that where explained above.
hope this helps.
Scott
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