Comelit MT 4478A TAS - Manual (Page 12)

12
3.2.1 Pin assignment
D-9M connector:
PIN
KEYBOARD
CABLE
1 RS
+
2 RS
−
3 NC
4 +12V
5 GND
6 NC
7 NC
8 NC
9 NC
D-9F connector:
5 4 3 2 1
9 8 7 6
PIN
DB-01
DB-02
1 RS
+
2 RS
−
3 NC
4 +12V
5 GND
6 NC
7 NC
8 NC
9 NC
5 4 3 2 1
9 8 7 6