I've seen it referred to as obsolete by some
vendors. I don't know
exactly what the context of "obsolete" is.
"Obsolete" in the old (at least 1950) context means "Yes, we have them,
we don't like them, we do not design systems with them, we are trying to get
rid of them, but there still there".
William Donzelli
aw288(a)osfn.org