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VAD-2 Plus
Voice Alarm Dialer
Two Input Voice Dialer with Silence Sensor and Dual Relay Control
Phone
PGM
Power
Hook
K1
K2
PGM
SS
Temp.
PWR/12VAC
Telco
SS-Mon
K1
NC
K1
CM
K1
NO
ST
1A
ST
1B
+5
VD
C
Gn
d
Ch
s G
nd
PF
+
PF
–
SS led ON with valid audio
SS led OFF with NO audio
SS led flashes if enabled and in an alarm condition
Optional
Temp Probe
Pwr led ON if powered
Pwr led flashes if PF is enabled and in an alarm condition
Pwr led OFF during a valid DTMF tone
Pwr led OFF in voice record mode.
Hook led ON
when in an off-
hook condition
K1 led ON when
K1 is closed or
energized
K2 led ON when
K2 is closed or
energized
PGM led ON when
programming the
VAD-2 Plus
Recessed Program Switch
Voice/Program TT
Telephone Receptacle
Telephone
Line
Silence Sensor (send)
audio to telco level trimmer
12 VAC wall
transformer
receptacle
K2
NC
K2
CM
K2
NO
ST
2A
ST
2B
SS
L
SS
R
GN
D
CL
R–
CL
R+