ATA->ERROR with ZyXEL U-336S

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Hi,

sorry for being late in responding, but (insert the usual)...

On Thu, Dec 24, 1998 at 01:29:52PM +0100, Michael Reinelt wrote:
> After having lots of problems with a USR Sportster, I finally got a
> ZyXEL U-336S (the loarge one with the LCD display). Well, it looks
> great, itīs big enough to place my ISDN-TA on top of it, but it does not
> work as I expect it to :-(

I haven't had any experience with the 336S yet, but basically it's similar
to the 2864 series, so it really *should* work, at least for basic stuff.

> When I call it, it says "RING", mgetty says "ATA", the Modem says
> "ERROR". Very nice, after the 5th time init says "mgetty respawning too
> fast".

Ugh.

> I can reproduce the problem easily using minicom. I use the default
> configuration, and tracked down the problem a bit: I have to insert a
> large pause between the RING and the ATA, and another pause after the
> ATA and before the Carriage return. If I use a answer-chat like 
>    "" "\d\d\d\d\d\dATA\d\d" "CONNECT", 
> it works _sometimes_. This is annoying, isnīt it?

This is really annoying, yes, and makes the modem unusable for reliable
operation.  Did you contact ZyXEL about it?  It might be some problem with
German postal regulations ("no ATA allowed") - but ZyXEL has known about
this for a long time, and *fixed* it in other products (permit ATA *only*
after an incoming RING, which is sufficient for us).

> I upgraded to the last firmware 1.16 (I didnīt remember with which
> firmware it was shipped), and downgraded to 1.14, same problem.
> 
> any ideas?

I'd talk to my distributor, and tell them that you can reproduce it with a
terminal program (this is important - otherwise, everybody keeps saying
"we don't support Linux, go away", which is clearly nonsense here), and
ask them for a fix.

If they have any specific questions about the environment, tell them
that you're using mgetty, and offer to send them log files -- mgetty is
actually mentioned in the ZyXEL 2864 manual (in the "Unix" section), so
maybe you can point to that...  - feel free to send further questions to
the list, but I'm afraid we won't be able to help much.

[Hmmm. I see you're writing from Austria.  The ZyXEL support for Austria
is a LOT better than the support for Germany - you might want to contact
Manfred Recla directly, he's also coordinating all the beta test groups.
His E-Mail address is m.recla@zyxel.co.at]

gert
-- 
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Gert Doering - Munich, Germany                             gert@greenie.muc.de
fax: +49-89-35655025                        gert.doering@physik.tu-muenchen.de