
290A3695
GRN
BLK
WHT
GRN
BLK
WHT
1K
1WATT
AUDIO
COMMON
(+) DC POWER
3/16-20 AWG
REMOTE A REMOTE B
1
3
2
1
3
2
BLK
WHT
GRN
*
SEE POWER
CONNECTIONS
*
Operating Principle:
• When one talks, the other stations will hear.
• To talk into the intercom, press the talk switch
and speak into the speaker/microphone.
Release to listen.
NOTES:
1. Speaker/Microphone
2. Off/On/Speaker volume control
3. Talk/Listen Switch
Power
Remote A
Remote B
Not applicable AD-26-1
120V 50/60Hz AD-27-1
240V 50/60Hz AD-57-1
POWER CONNECTIONS:
BLK +DC Power 12/24V Models
HOT 120/240V Models
WHT Common 12/24V Models
Neutral 120/240V Models
GRN Earth Ground 120/240V
Models only
3
-9-
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