Gilderfluke&Co old Smart Brick Manual - Manual (Page 21)

To cross wire the RS-422 / RS-485 signals from the Smart Brick System to the RS-232 serial
port of an IBM compatible or Pioneer LaserDisk player, cross connect the signals as follows:
IBM IBM Pioneer LaserDisk
DB-25 DE-9 DB-15 SIGNAL SIGNAL FROM/TO BRICK BRAIN
2 3 2 DATA OUT - serial data in to Brick Brain (GREEN)
3 2 3 DATA IN - serial data out from Brick Brain (BLACK)
7 5 1, 11 or 15 GROUND signal ground (BLUE or WHITE)
Apple Macintosh computers have true RS-422 serial ports built in. To connect to the Smart
Brick System, the pin out is as follows for a Macintosh mini-DIN-8:
to + serial data in to card (#5 yellow)
to - serial data in to card (#4 green)
1 2
3 4 5
6 7 8
from - serial data out from card (#2 black)
from + serial data out from card (#3 red)
signal ground (#1 blue or #6 white)
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