The pin-out for the Null-modem cable supplied by Prism Sound for use upgrading the software of the ADA-8 and other equipment is as follows.

DB-9 Socket DB-9 Socket
1 and 6 To 4
3 To 2
2 To 3
4 To 1 and 6
5 To 5
7 To 8
8 To 7

However, if you are building a cable yourself, you only need to connect to the following:

DB-9 Socket DB-9 Socket
3 To 2
2 To 3
5 To 5