On 05/01/2012 11:41, sthaug at nethelp.no wrote: > For some of us it's just as important that the SFP-* modules generally > support DOM / DDM while the GLC-* modules don't. it beggars belief that vendors are still shipping non DOM-enabled transceivers. There may have been good reasons for this 10 years ago, but not in 2012. Nick