Recently, I came across some useful diagrams and notes related to cabling. Here are the urls: Good technical articles at: www.internetcsi.com/edd.htm#technical Useful: ftp.dgii.com/techsupport/hardware/cable/ For an incredible diagram showing RJxx to DBXX pinouts, see: http://ftp.dgii.com/techsupport/hardware/cable/rjdb3.pdf also: www.man.ac.uk/~mbhmivv/telecom.html John Backus www.beechglen.com