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6
C921AA Base Station
INTERCOM SPKR
COM
INTERCOM MIC
INTERCOM MIC
MENU SPKR
INTERCOM SPKR
9
10
8
7
6
5
4
3
2
1
COM
MENU MIC
MENU MIC
MENU SPKR
VEH DET+
COM
MUSIC
COM
_____
TALK
AUDIO OUT
3
4
5
6
7
2
1
8
9
10
11
12
VEH DET-
MSG4 TRIG
COM
TIMER TRIG
MUSIC
MON SPKR
COM
AUDIO OUT
ALT ALERT
MENU SPKR
MENU SPKR
SHIELD
MIC
MIC
AUDIO IN
VEH DET
ALERT OUT
COM
COM
VEH DET
AUDIO IN
MENU SPKR
MENU SPKR
MIC
MIC
J9
J10
A300 Audio Greeter Optional Service Timer
12V UNREG
Menu Post
MENU
SPKR
MENU
MIC
MENU
SPKR
MENU
SPKR
MENU
SPKR
MENU
SPKR
SHLD SHLD
MIC IN MIC OUT
5
4
3
2
1
VEHICLE
DETECTOR
MIC OUTMIC IN
MENU
INTERCOM
A121 Noise Reduction Module
MIC OUT
MENU SPKR
MIC OUT
MENU SPKR
1
2
3
4
5
Figure 5. Wiring for 3M C760/960/1060 Base Station with A300 Audio Greeter