Serial board recommendations for 4/280?

[Malcolm Carlock]

I'm interested in adding 16 or so serial ports to a 4/280 running 4.1.
Right now I'm looking at going with a single ALM-2.  Before I go this
route, however, I was wondering if anyone out there had any recommen-
dations for (possibly superior) 3rd-party serial boards, ALM-2 horror
stories, etc.

Thanks in advance.  I'll summarize any replies I receive.

Malcolm L. Carlock              Internet:  malc at unrvax.unr.edu
                                UUCP:      uunet!unrvax!malc