Boca Research Adjustable MC Ghost - Manual (Page 13)

6.0 Standard Interface Pinouts
6.1 Serial Pinouts
RS232 (Standard)
Pin Function
2 Printer Transmit
3 Printer Receive
7 Ground
5,20 DTR (Printer Ready)
4,22 RTS (+5Vdc)
25 pin to 9 pin Adapter
25 Pin Female 9 Pin Male
2 3
3 2
4 7
5 8
6 6
7 5
20 4
7
HOST
COMPUTER OR
TERMINAL
PRINTER
# 1
PRINTER
# 2
Cable #1
9M 25M
Cable #2
9F 25M 25F 25M 25F
25F-9M
Pin Adapter
Wiring for Cable #1
9 Pin Male 25 Pin Male
2 2
3 3
5 7
6 20
8 4
Wiring for Cable #1
9 Pin Female 25 Pin Male
2 2
3 3
5 7
6 20