picture helped enormously.. http://lios.apana.org.au/~cdewick/sunshack/data/sunpix/5011869.jpg two words.. Apple "AAUI" Adapters Officially they are called "Apple Ethernet Twisted-Pair Transceiver" M0437LL/A ot M0437Z/B I think I have seen these connectors called mini-AUI I had forgooten my 690MP used them... Les