6
Installation Diagrams
Model 478DA "D-15"
Menu Post
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
COM
_____
TALK
AUDIO OUT
3
4
5
6
7
2
1
8
9
10
11
12
VEH DET-
MSG4 TRIG
COM
TIMER TRIG
MENU SPKR
MENU MIC
COM
*
VEH DET
MENU SPKR
MENU SPKR
SHIELD
MIC
MIC
J9
J10
A300 Audio Greeter
Optional Service Timer
VEHICLE
DETECTOR
RED
BLUE
BLK/BLU
BLK/WHT
BROWN
BLK/GRN
BLK/YEL
YELLOW
BLK/RED
WHITE
BLK/BRN
WHITE/ORG
RED/WHT
ORANGE
GREEN
BLK/ORG
GREEN/ORG
RED/GRN
1 MONITOR HI
7 FLEX MIC
8 FLEX MIC
10 VEH. DETECT
11 ALERT CANCEL
6 OUTSIDE MIC
4 COMMON
3 COMMON
2 MONITOR LOW
9 SHIELD
12 BUSY
13 +20 VDC
14 FOOT SW
15 MUSIC IN
5 OUTSIDE MIC
16 MUSIC IN
17 SPEAKER
18 SPEAKER
*
Note:
VEH DET is active high.
Set A300 vehicle detector
trigger polarity to positive.
(set SW2 number 3 OFF)
(set jumper JMP1 to A)
**
MUSIC
**
MUSIC
**
Note:
MUSIC input requires a
balanced audio source
Figure 1. Installing the A300 Audio Greeter with the 3M D-15 Intercom