11
290A3828-06
"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
4
2
1
BLK
WHT
BLK
WHT
"AUD"
AUDIO
"COM"
COMMON
LOCAL
SPEAKER/MICROPHONE
MODEL
AD-SF-25
LOCAL
SPEAKER/MICROPHONE
MODEL
AD-SF-25
REMOTE A
PANEL
MOUNTED
INTERCOM
REMOTE B
PANEL
MOUNTED
INTERCOM
1K
1W
ATT
5
5
NOTES:
1.
Mounting Holes
2.
Cover Plate
3.
Of
f/On/Speaker V
olume Contr
ol
4.
Talk/Listen Switch
5.
Use shielded audio cable in electrically noisy
ar
eas. Gr
ound one end of the shield to
"earth" gr
ound.
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-26P
AD-26P
120V 50/60Hz
AD-27P
AD-27P
22-30VDC
AD-56P
AD-56P
240V 50/60Hz
AD-57P
AD-57P
Operating Principle:
•
When
one
talks,
all
inter
coms
will
hear
.
•
To
talk
to
other
stations,
pr
ess
the
talk/listen
switch
and
speak
into
the
speaker/micr
ophone.
•
Release
talk/listen
switch
to
listen.
