3M C1060 - Page 84

2
A 10 B
A 9 B
A 8 B
A 7 B
A 6 B
B 1 A
B 2 A
B 3 A
B 4 A
B 5 A
1k Ohms
S1
10 uF
- +
20K Ohms
S2
RED
WHT
BLK
WHT
Handset
GRN
GRAY/RED
RED
BLK
To Intercom
Call Sw Common
Intercom
Audio
External Speaker
(if used)
Figure 1.