1) I am looking for a very inexpensive adapter for Thinnet (BNC) to Ethernet (RJ45) for a buddy. It would be nice if the RJ45 connector was female.2) [EDIT - I found this] I need a 56K v.90 PC ...

Portrayed as a between-series component, the UADF20M110 adapter couples a 1.6/5.6 DIN plug to a full BNC jack and delivers true 75Ω BNC to DIN performance. The adapter is designed ...