[Plug] Plea for help - Strange Communications Protocol

["Charles Stack" <charles@codycomp.com>]

Hopefully, someone here will be able to help me.

I've got to connect to an AIX-based system using a modem.  The existing
software dials directly into the remote computer and does not appear to be
IP based (hence no PPP).

I can dial in, and using V100 or ASCII emulation, I can log into the system.
At that point, things get squirrly.  The data appears to be field oriented.
Color attributes are sent (as is placement info), but as I enter data and
leave each field, it is validate by the remote computer.  Oh yeah, the
client software is also from IBM.

The people who are running the system haven't a clue as to what protocol is
being used (they just use it).  I have a 3270 emulator, but without an LU or
IP address, it isn't doing me much good.

I realize that the information I have given is rather vague.  But, is anyone
familiar with this protocol and can tell me where I can get a decent
Linux-based emulator for it (with source)?

I'd even be happy with a good Linux based serial protocol analyzer that
would allow me to view all traffic to/from the remote host and the client
software.

Can anybody help?

Thanks,

Charles


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