> 
> > Hmm. I'll assume you cabling is ok. (You are using a null modem, right?,
> > or a dumb terminal?) 
> 
> The cable I'm using is a Macintosh "printer" cable, which I believe has
> the "null modem" characteristic.  In any case, It works when I ZTerm
> on both ends, so I know that, at least in some configurations, that it is
> a good connections.

That cable should work just fine. Plus you've checked it!

> I'm kind of wondering if there is some RTS/CTS option I need to configure.

Not for serial console. Sorry I'm coming in in the middle,
but this is an 840AV, isn't it? Or a 660AV? They have IOP's (I/O
Processors) which we don't fully support yet.

Take care,

Bill