There are 2 part numbers for a Total Control console cable: one for the cable alone, the other is for both the cable and the null modem adapter: Cable only: 1.009.691-B Cable and Null Modem: 67-000209-00 The pinouts used for the 3Com console cable are as follows: RJ45 DB25 Male 1----------------6 2----------------8 3--------------20 4----------------7 5----------------3 6----------------2 7----------------5 8----------------4 The null modem adapter's pinouts are: DB25 Female DB25 Female 6------------------------------6 8----------------------------20 20----------------------------8 7------------------------------7 3------------------------------2 2------------------------------3 5------------------------------4 4------------------------------5 The pinouts below are standard serial cable that will be attached from the null modem adapter to the computer's serial port: DB25 Male DB9 Female 6-----------------------------6 20---------------------------4 8-----------------------------1 7-----------------------------5 2-----------------------------3 3-----------------------------2 4-----------------------------7 5-----------------------------8 To construct a custom cable use the following pinouts: RJ45 DB9 Color 1-------------6 Blue 2-------------4 Orange 3-------------1 Black 4-------------5 Red 5-------------3 Green 6-------------2 Yellow 7-------------7 Brown 8-------------8 White NOTE: Colors match an available DB9 Female to RJ45 adapter is available to use with a straight through RJ45 to RJ45 cable (10-T). -- Adam Barnhill Support Engineer, TotallyFabricated.com Information Technology Engineer, Poplar Bluff Internet, Inc. / Semo.net P.O. Box 190 | Poplar Bluff, MO 63902 | 573.686.9114, <http://www.semo.net/> Home of TotallyFabricated.com the creators of Total Scrutinizer