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Redback® Proudly Made In Australia
2
Redback® A 5135
Four Input MIcrophone Hub
CONNECTIONS
Figur
e 1 illustrates a typical wiring configuration for the A 5135 Hub.
In this example the line output is fed into the line input of the system amplifier
. Switches 1 and 2 of SW1 ar
e both set to ON (see DIP switch settings for mor
e details). Switch 1
enables the PTT (Push T
o T
alk) muting on the micr
ophones connected to the A 5138 wall plates. Switch 2 enables the micr
ophone priority to Cascade which signifies when the
micr
ophone on input 1 is activated it will override inputs 2-4, Input 2 will override inputs 3-4 and Input 3 overrides input
4. Switch 1 of SW2 is set to ON to enable the
pr
e-announcement chime on the micr
ophones. W
ith this set ON any time a micr
ophone PTT switch is used a pr
e-announcement chime will be active.
Line
Mic
L
R
OUTPUT
+ –
2
1
3
SY
STEM A
MPLIFIER
(M
aximum 300m)
(M
aximum 300m)
24VDC Input
ww
w.redback
audio.com.au
24VDC Input
+
_
Line
Out
Balanced
Out
L
R
L
R
1 2 3 4
SW 1
1 2 3 4
SW 2
W
all P
la
tes
3
4
1
2
BGM In
+
-
1
2
3
4
1
2
3
4
TUNER
REDBACK
(M
aximum 300m)
(M
aximum 300m)
O N