As the happy owner of a VS3100-M76-SPX , I have come across the pinout for the MMJ serial ports. 1 2 3 4 5 6 1 - DTR _____________ 2 - TxD _| U U U U U U |_ 3 - TxD GND | | 4 - RxD GND | | 5 - RxD | | 6 - DSR |_______ _| |_______| Don't Trash that VS----NetBSD is coming soon! :) psapp@cnct.com