9
3
290A3828-03
"SPK"
SPEAKER
(WHT/BRN)
"SPK"
SPEAKER
(WHT/BRN)
"COM"
COMMON
(WHT)
"COM"
COMMON
(WHT)
"PWR
+
"
(BLK)
*
SEE POWER CONNECTIONS
*
"EGND"
(GRN/YEL)
"PWR
-
" (WHT)
"PWR
+
"
(BLK)
*
"EGND"
(GRN/YEL)
"PWR
-
" (WHT)
3
3
4
2
1
GRN
BLK
WH
T
GRN
BLK
WH
T
"AUD"
AUDIO
"COM"
COMMON
"CTRL"
CONTRO
L
LOC
AL
SPEAKER/MICROPHONE
MODE
L
AD-SF-25
LOC
AL
SPEAKER/MICROPHONE
MODE
L
AD-SF-25
PRIMAR
Y
PANE
L MOUNTED
INTERCOM
SECONDAR
Y
PANE
L MOUNTED
INTERCOM
1K
1W
AT
T
NOTES:
1.
Mounting Holes
2.
Cover Plate
3.
Of
f/On/Speaker V
olume Contr
ol
4.
Pr
ess-to-T
alk Switch
POWER CONNECTIONS
:
"PWR+" (Black)
+DC
-Power
12/24V Models
HOT
120/240V
Models
"PWR-" (White)
Common
12/24V Models
Neutral
120/240V
Models
"EGND"
Earth Gr
ound
120/240V Models only
(Gr
een/yellow)
POWER
PRIMAR
Y
SECONDAR
Y
12-18VDC
AD-26CP
AD-26DP
120V 50/60Hz
AD-27CP
AD-27DP
22-30VDC
AD-56CP
AD-56DP
240V 50/60Hz
AD-57CP
AD-57DP
OPERA
TING PRINCIPLE:
•
Primary normally listens to Secondary
.
•
Secondary talks to Primary hands-fr
ee,
without having to pr
ess a talk switch.
•
To talk into Primary
, pr
ess talk switch and
speak into speaker/micr
ophone. Release
talk switch to listen.
