Modem woes (3b1, AT&T 2224)

[Elliot B Dierksen]

Bob Wilber writes:
> I'm having problems getting an AT&T 2224 modem to work with the 3b1.  When I
> try to use it with the AT&T command set at 2400 baud (all switches down except
> SW 5 is up) it keeps autobauding down to 1200 baud.  Since the modem at the
> other end is at 2400 baud, garbage results.  I tried sending an initial BREAK
> but that doesn't help.

I have also have had trouble with AT&T protocol & autobaud, i use hayes!

> I have a bit more luck in Hayes ("AT command set") mode, since I can call out
> at 2400 baud and get a connection, without my modem reverting to 1200 baud.
> However, when I leave cu the modem never hangs up.  I have to hit the DATA
> button on the modem.  This inability to hang up will do bad things to my phone
> bill if uucp tries dialing out.

Try settting &D2 before dialing, this tells the modem to hang up the phone
when DTR goes low. that should solve the uucico problem.

Elliot Dierksen
ebd at cup.portal.com