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micro Distributed
Amplifier Unit
The Audio loop wiring is routed from the control panel with
connection to each micro DAU on the associated loop with return
connection at the panel, that is Audio loop 1 is used with Device
loop 1.
P4
Message
Card with
Audio pack
I/R SENSOR
Audio
Status
A-CCT
B-CCT
CAL
Terminals
Description
L1 & 01, L2 & 02
These terminals are use to
wire to the loop circuit, the loop
loop circuits 1 and 2
in is at L1 & 01 terminals and
loop out is at L2 & 01
terminals.
A B
These terminals accept most
audio source, such as
local audio
background music for
broadcast to the local speaker
circuits.
I/A & I/B
These terminals accept the
audio loop circuit. Here the O
O/A & O/B
in O/A and O/B signify output,
audio loop
while the I in I/A and I/B signify
input.
L1 01 L2 02
B
A
P6
LOOP
LOCAL
AUDIO
L1 01 L2 02
A
B
0V
BLK
P4
P6
LOOP
LOCAL
AUDIO
MICROPHONE
P17
P17
I/R SENSOR
P9
Audio
Status
P9
A-CCT
B-CCT
SW2
SW1
ENSURE
CAL
SPRING
FITTED
SW1
SW2
ENSURE
SPRING
FITTED
Vigilon Compact VA system
I/A I/B O/A O/B
N01 C1 NC1 NO2 C2 NC2
P3
AUDIO
AUX RELAY CONTACTS
LOOP
P2
SPEAKERS
I/A I/B O/A O/B
RED
GN
WH
N01 C1 NC1 NO2 C2 NC2
P5
P3
P11
AUDIO LOOP
AUX RELAY CONTACTS
P2
LD1
L3
DISCHARGE
LED
DISCHARGE
LED
NO1, C1, NC1 and
NO2, C2 and NC2
auxiliary relay
contacts
A+, A- and B+, B-
Speaker circuits
P1
A+ A- B+ B-
A+ A- B+ B-
P1
P2
SPEAKERS
L4
These are auxiliary relay
contacts, rated at 1A 24Vdc.
The relay can be configured to
operate with operation of:
¨
central emergency
¨
microphone, local message
¨
activation, central message
¨
activation, central PA
¨
activation, Background music,
¨
local auxiliary input
(background music) or with
¨
local test microphone.
The relay can be configured to
operate with any of the above
conditions, in any combination.
These terminals accept the
connection of two speaker
circuits. Each speaker circuit
can have up to 5 x 64ohms
speakers.
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