Operating instructions

OPERATING MANUAL 2945A
46882-311D 3-91
Table 3-2 Rear accessory port connections
Contact Function
1+5 V
2 Logic line 3
or logic contact 3(a)
3 Logic line 2
or logic contact 2(a)
4 Logic line 1
or logic contact 1(a)
5 Logic line 0
or logic contact 0(a)
6 logic contact 3(b)
7 Logic contact 2(b)
8 Logic contact 1(b)
9 Logic contact 0(b)
C2157
RELAY
RELAY
RELAY
RELAY
LINE 0
SW1(a)
SW1(b)
SW1(c)
SW1(d)
LINE 1
LINE 2
FROM
LOGIC
CIRCUITS
ACCESSORY
PORT
LINE 3
+5V
9
8
7
6
5
4
3
2
1
Fig. 3-29 Simplified diagram of rear accessory port switching