
Redback®
A 4585 Zone Paging System
www.altronics.com.au
Redback® Proudly Made In Australia
6
1.5 REAR PANEL CONNECTIONS
Fig 1.5A shows the layout of the A 4585 rear panel.
Fig 1.5A
1
24V DC Input
Connects to a 24V DC input with at least 1 amp current capacity. (Please observe the polarity)
2
24V Battery Backup
Connect a 24V backup supply to these terminals. (Please observe the polarity)
3
DC fuse (2A M205)
This fuse protects the internal power supply. Replace with 2A rated fuse only.
4
24V DC Switched Output
A 24V output is provided which operates in a normally closed and normally open condition.
This is activated whenever a zone is paged or when an evac input is triggered (see dip switch settings).
5
PA Out RCA Connectors
Connect these outputs to the input of the paging amplifier
6
BGM Out RCA Connectors
Connect these outputs to the input of the background music amplifier
7
BGM In RCA Connectors
Connect these inputs to the output of the background music source such as a CD player.
8
Evac In RCA Connectors
Connect these inputs to the output of an evacuation tone generator.
9
Emergency input Vox Level
Use
this trimpot adjustment to change the vox level for the emergency input.
10
A 4575 RJ45 input
Use
this input to connect to the output of the A 4575 Alert/Evac controller.
11
RJ45 connectors for paging consoles
These RJ45 ports connect to the A 4586 zone paging consoles.
NOTE: A maximum of two A 4586 microphone paging consoles may be connected to each port.
Overview
Manufactured in Australia By Altronic Distributors Pty. Ltd.
From
BGM
AMP
L
R
L
R
BGM Out
24V
Switched
Out
N/O
DC FUSE
(1A M205)
From
24V
BATTERY
24V DC
IN
A 4575 Input
N/C
From
PA
AMP
Zones
1 2 3 4 5 6 7 8
1
Paging Stations
3
4
1
2
+ -
+ -
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
100V Switching -
1 AMP SYSTEM - Connect PA amp 100V output to “From PA AMP” Terminals
2 AMP SYSTEM - Connect PA amp 100V output to “From PA AMP” terminals and BGM amp 100V ouput to “From BGM AMP terminals.
Connect Zone amplifier speakers to ”+” and “-” terminals.
Connect Zone amplifier line level inputs to “+” , ” - ” and “ ” terminals.
Preamp Switching -
DIP Switch Settings
SW
1
2
3-8
On
Off
Single Amp Mode
Not Used
Dual Amp Mode
Line Level
Speaker Level
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
-
+
+
-
-
+
www.altronics.com.au
+
+
_
_
PA Out
BGM Input
Evac Input
Evac Vox
Sensitivity
+ _ + _
1 2
3
4 5
6
7 8
O
N
1 2 3 4 5 6 7 8
1 2
3
4 5
6
7 8
O
N
Down is ON.
15
1 2 3 4
5
6
7
8
9 10
11
12
13
14