[rescue] FDDI questions

[George Adkins]

> Not quite true.  There are different types of ports when you deal with
> FDDI.  A, B, M, and S.  You can plug A into B, B into A, M into A,B, or S,
> and S into S.  A-A, B-B, and M-M are not allowed (you can plug them in,
> but your FDDI gear will tell you to go pound sand).
>
such is to say that you cannot connect concentrators by their single attach 
ports?  But you can "tree" them by attaching the downstream concentrator's A 
or B port to a single attach port on the upstream concentrator, right?

George