Phone to Speaker
Music
All Call
Gnd Start
Loop Start
SW2
Off
On
Speaker to Phone
Ringer
SW1
RJ11
Power LED
Figure 3 - Connector and Control Locations
V-2904
VPB-260
Figure 4 - Battery Backup
TYPICAL APPLICATIONS
Handsfree Speaker 1 Tip
Handsfree Speaker 1 Ring
Door Button 1
Ground 1
(R/O)
(O/R)
(R/G)
(BR/R)
P 32
P 7
P 33
P 9
T
R
PB
Figure 5 - Doorplate Speaker with Pushbutton
66 Block
V-1072A
Handsfree Talkback
45 Ohm Speaker
with Pushbutton
Door 1 Unlock Make
(W/S)
P 30
Door 1 Unlock Stationary
(S/W)
P 5
Door 1 Unlock Break
(R/BL)
P 31
NO
Com
Electric
Strikeplate
Solenoid
Strikeplate
Power Supply
Equipment
Customer Provided
66 Block
NO = Normally Open
NC = Normally Closed
Figure 6 - Remote Door Unlock Relay
NOTE: Consult man-
facturer's connection
diagram for connection
of strikeplate. N. C.
connection may be
required on some
strikeplates instead of
N.O.
Amphenol Connector
Handsfree
Volume
Controls
NC
6