Rear Panel Guide - Redback A 4450 Operating Manual

Redback A 4450 4 x 4 Audio Matrix/Switcher
®

5.0 REAR PANEL GUIDE

Fig 2 shows the layout of the A 4450 rear panel.
Made in Australia
by Altronic Distributors
24V 24V
www.redbackaudio.com.au
DC In DC In
DIP 4
1 2 3 4
+ _
Micro Adapter
1 2 3 4
- +
SD Card
13 12 11 10
1 RCA Inputs
These line inputs are dual RCA connectors which are internally mixed to produce a mono input signal. The input
sensitivity of these inputs can be adjusted to 100mV or 1V via the switches 2 & 3 of DIP1 & DIP2.
2 Microphone Inputs
There are four microphone inputs which all incorporate a 3 way euro connectors. The input sensitivity of these
inputs can be adjusted to 3mV or 0.7V via the switches 1 & 4 of DIP1 & DIP2. Phantom power is available for
electret type microphones.
3 DIP Switches DIP1 & DIP2
These are used to select the input sensitivities of the aux and mic inputs. Refer to DIP switch settings section (16.0).
4 RCA Outputs
These line outputs are dual RCA connectors which are internally separated from a mono signal. The
sensitivity of these outputs can be adjusted to 100mV or 1V via the switches of DIP3.
5 Balanced Outputs
There are four balanced outputs which all incorporate a 3 way euro connector. The sensitivity of these
outputs are tied to the sensitivities of the RCA outputs. These are set by DIP3.
6 DIP Switches DIP3
These are used to select the output sensitivities of the aux and balanced outputs. Refer to DIP switch settings.
7 Paging Console RJ45 Interface
These are used to connect optional paging consoles (A 4660). Maximum 2 consoles.
8 Wall Plate RJ45 interface
These RJ45 ports connect to the optional A 4461/63 Master and A 4462/64 Zone wall plates.
9 RJ45 Interface Port
For serial control. See section 18.0.
10 DIP 4
These switches provide various options (see DIP switch settings 14.0 for more details).
11 Micro SD Card Socket
This is used for input and output labelling and firmware updates. A micro SD card is supplied.
12 24V DC Input (Backup)
Connects to a 24V DC backup supply with at least 2A current capacity (please observe the polarity).
13 24V DC input
Connects to a 24V DC 2A plug pack with 2.1mm jack (centre tip positive).
6 Redback® Proudly Made In Australia
Wall Plates Console 2
L
R
Console 1 Aux Out 4
7
9 8
6
4
Outputs
L L
DIP 3
R R
1 2 3 4
1 2 3 4 Aux Out 3 Aux out 2 Aux Out 1 Aux In 4
5
Fig 2
3
1
Input 4 Input 3 Input 2
L L L
DIP 2 DIP 1
R R R
1 2 3 4 1 2 3 4
1 2 3 4 Aux In 3 Aux In 2 1 2 3 4
3 2
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Input 1
L
R
Aux In 1