Re: [NTISP] Rockwell

Josh Hillman ( (no email) )
Tue, 9 Mar 1999 14:32:09 -0500

From: Youssef A. Rahman <yrahman@alexcomm.net>
>We had the same problem with the Ascend Max, and the following
>initialization string stopped it
>+ms=k56,1,75,33600,75,5600

You might consider upgrading your Max to the latest OS (or at least 7.0.1--I
just now realized that 7.0.3 and 7.0.4 have been released, but I haven't
looked into them yet). There's only a single modem that I've come across
that has a problem dialing into our Max 40xx machines and that's a modem
built into a Compaq Presario 5204 or something. Althouth that modem is
already V.90, there's something screwy about it that's preventing it from
linking up with us (CDC never detected, then hangs up). That modem also
doesn't comply with the standard AT commands that work with other Rockwell
HFC-type modems, so we could never figure out how to disable the V.90
(forcing it to V.34 or maybe K56Flex to see if that'd take care of it until
a newer firmware release is avalailable for that modem).

On a rare occasion, we come across a modem that won't connect unless 4
commas are appended to the end of the dial-up number--this forces the modem
to wait 8 seconds before doing anything because that modem doesn't recognize
the ITU-T V.8bis (I think that's the number) fax tone that the NAS issues.
Although that V.8bis is a standard and has been for quite some time, some
modems don't know what to do with it.

Actually, now that I think of it, I think IBM MWave modems have always had
problems dialing into us (at least most of them).

Josh Hillman
Max 4004 and 4048 units, each running 7.0.1
Sig Mode=Inband
Rob Ctl=Inc-W-200
Framing Mode=ESF
Encoding=B8ZS

>"Geoffrey L. Scully" wrote:
>
>> I am having problems with Rockwell V.90's and most Win Modems with the
>> 3COM Hiper DSP's. They sit there continuing to handshake and then
>> eventually timeout. Anyone else having this problem? Anyone figure out
>> the fix?
>>
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>
>
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