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ASK-4
®
# 304
AUDIO MONITORING SYSTEM
INSTALLATION AND OPERATING INSTRUCTIONS
AUDIO IN
Terminal block Identi-
fier for Microphone
(A) Red - 12Vdc power
(B) Black - Audio Output
(C) Bare - Ground
RCA Connection Cable
RCA Audio Input
RCA to 3.5mm MONO
Adaptor plug
AD-1 AC Adapter
12V/12Vdc, 500mA
DVR WITH RCA TYPE AUDIO INPUTS
VIDEO SERVER
IP NETWORK CAMERA
INTERCONNECTION DIAGRAM
IF-4 (LE-288)
WIRING REQUIREMENTS
Both the Verifact™ “A” Microphone and IF-4 Interface.
2 Conductor shielded cable, 22 gauge with a 24 gauge drain
wire.
NOTE: Unshielded cable is not satisfactory for audio systems
PLUG IDENTIFICATION
RCA PLUG
3.5 MONO
One Band MONO
3.5MM STEREO
Two Band STEREO
IF-4
Audio Output Control
MIC Input
+12 Vdc
AUDIO OUTPUTS
MIC INPUTS
VERIFACT
™
“A”
(LE-070)
VERIF
ACT A
VERIF
ACT A
VERIF
ACT A
VERIF
ACT A
A B C
OR
OR
Two bands stereo
One bands stereo
A B C
A B C
A B C
A B C
1 2 3 4
12
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