
290A3972-04
REMOTE RB
MASTER DESK SET
MASTER WALL MOUNT
INTERCOM
4
5
SEE POWER
CONNECTIONS
BLK
WHT
GRN
*
*
*
**
**
REMOTE RA
4
7
6
3
5
BLK
WHT
GRN
BLK
WHT
GRN
REMOTE RC DESK SET
BLK
WHT
GRN
TO OTHER REMOTES
4
6
5
BLK
WHT
GRN
*
*
*
WHT
47
Ω
GRN
RED
BLK
BLK
RED
GRN
WHT
TALK COM.
TALK
LISTEN
LISTEN COM.
TALK COM.
TALK
LISTEN
LISTEN COM.
TALK COM.
TALK
LISTEN
LISTEN COM.
TALK COM.
TALK
LISTEN
LISTEN COM.
BLK
RED
GRN
WHT
BLK
RED
RC
RB
RA
GRN
WHT
47
Ω
47
Ω
2
3
2
8
8
1
1
6
NO
TES:
1. Desk Set speaker (microphone is mounted on handset)
2. Desk Set speaker volume control
3. Handset earpiece volume control (mounted on back of case)
4. Speaker/Microphone
5/ Off/On/Speaker volume control
6. Talk/Listen switch
7. Master switch box — customer supplied
PO
WER CONNECTIONS
:
BLK +DC-POWER 12/24V Models
HOT 120/240V Models
WHT Common 12/24V Models
Neutral 120/240V Models
PO
WER
REMOTES-RA-&-RB*
REMOTE-RC*
12VDC AD-26-6 AD-26T-6
120V 50/60Hz AD-27-6 AD-27T-6
240V 50/60Hz AD-57-6 AD-57T-6
** Refer to remote model number as an example for Master.
Operating Principle:
1. Master can select (via master switch box) to talk to any one or more
remotes.
2. Any remote can initiate a call to Master regardless of selector switch being
on or off. Remote must specify its location. Remotes cannot talk to other
remotes.
3. To talk into intercom, press talk switch and speak into speaker/
microphone.-Release talk switch to listen.
4. For Master to talk to remote, select desired remote via selector switch , press
talk switch on handset microphone and talk into handset microphone.
4
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