REDBACK
®
REDBACK
®
Page 3
Page 2
Operation
To select a program, press the desired switch. The corresponding LED will illuminate. To change the selected program
simply press the desired program switch. The system will automatically switch from one program to the other. This will
also be reflected on the remote A 5108 panel if fitted. To cancel the selected program, simply press the switch again to
turn it off.
Cable Requirements
Remote volume use figure 8 cable similar to Altronics W 2121. Note: separate figure 8 runs are required for each source,
ie: one for auxiliary volume and another for microphone.
Remote wall plate use cat 5 (or better), similar to Altronics W 2760.
Vox Sensitivity Adjustment
A trimpot is provided internally for sensitivity adjustment of the vox circuit. See figure 1 for location of this trimpot.
Features
• 4 Auxiliary / line inputs with individual volume controls
• 1 Balanced 200 - 600
Ω
microphone input
• Vox or PTT muting
• 24V DC operation via 2.1mm DC jack
• Stylish half width IRU chassis
• Provision for remote volume adjustment of selected program
• Provision for remote volume adjustment of microphone
• Provision for remote operation via A 5108 plate
• Dimensions
:
44H x 103D x 210W
Rear Panel
Front Panel
Remote
Wall Plate
A 5106 Audio Switcher
Power
On
Aux 1
0
2
4
6
8
10
Aux 2
0
2
4
6
8
10
Aux 3
0
2
4
6
8
10
Aux 4
Mic
0
2
4
6
8
10
0
2
4
6
8
10
12-24
VDC
Output
Aux 4
Aux 3
Aux 2
Aux 1
Line OUT
N816
+
-
+
-
12-24
VDC
Input
L
To Remote
Plate
DIP
SW1
PTT
Mic
Remote Volume
Aux Mic
R
1V
100mV
1V
100mV
H
C
Mic
Remote
Volume
Aux Mic
0
2
4
6
8
10
CD 1
DVD
VIDEO 1
TUNER
MIC
0
2
4
6
8
10
Aux Vol
Mic Vol
L
R
E
S1
A
UX 1
L
R
E
S2
A
UX 2
L
R
E
S3
A
UX 3
L
R
E
S4
A
UX 4
L
R
E
S1
A
A
UX 1
U5
A
4066
U5
B
4066
U5
C
4066
U5
D
4066B
+
C8
1uF
+
C7
1uF
+
C1
7
1uF
+
C1
8
1uF
RV
1
10K
RV
2
10K
RV
3
10K
RV
4
10K
R2
6
4K
7
R2
5
4K
7
R2
8
4K
7
R2
7
4K
7
R2
2
4K
7
R2
1
4K
7
R1
3
4K
7
R1
5
4K
7
+
C1
2
1uF
+
C1
3
1uF
+
C2
9
1uF
+
C1
4
1uF
R4
3
4K
7
R4
4
4K
7
R4
1
4K
7
R4
2
4K
7
R5
7
10K
R5
8
10K
R6
0
10K
R5
9
10K
R3
9
3K
3
R4
0
3K
3
R3
8
3K
3
R3
7
3K
3
+
C9
1uF
2
1
8
3
5
4
U4
A
M
5222P
12V
2
1
8
3
5
4
U
11A
M
5222P
+
C3
6
4.
7uF
R6
1
10K
R6
2
22K
10
9
8
U
10C
TL
074
6V
3
2
1
4
11
U
10A
TL
074
12V
5
6
7
U
10B
TL
074
6V
R5
0
22K
+
C3
2
4.
7uF
R5
1
2K
2
R5
3
22K
R5
2
2K
2
D4
1N
914
12V
REM
O
T
E
VO
L
U
M
E
C3
5
0.
1
R5
5
10K
R5
6
33k
C4
4
330p
F
6V
+
C1
0
1uF
1
2
J?
CON2
AU
X
R1
9
10K
R1
4
10K
C2
1
1n
F
C2
0
1n
F
3
1
2
+
C2
4
10uF
+
C2
3
10uF
R1
8
680
R2
4
680R
6
5
7
U6
B
LM
833
2
3
1
8
4
U6
A
LM
833
12V
R3
4
22K
R3
3
22K
6V
C2
2
150p
F
R3
6
6K
8
6V
R3
5
47K
C2
7
100p
F
+
C1
5
1uF
10K
RV
5
R4
5
10K
+
C3
0
4.
7uF
R4
8
22K
+
C3
1
4.
7uF
12V
R4
6
2K
2
R4
7
22K
R4
9
2K
2
D3
1N
914
12V
REM
O
T
E
VO
L
U
M
E
1
2
J?
CON2
MI
C
C3
4
0.
1
R5
4
10K
12
13
14
U
10D
TL
074
R7
0
10K
R6
7
27k
R6
9
27k
R6
8
10K
R6
6
10K
+
C1
6
1uF
C2
8
0.
1
C3
8
0.
22
6V
RV
6
10K
D5
4148
Q1
BC
548
TR
2
Q
3
R
4
BY
5
TH
6
DS
7
VC
8
GD
1
U8
555
R6
3
22k
R6
4
100K
+12
D2
4148
+
C3
7
22uF
R6
5
10K
R3
1
10K
1
2
S2
2P
IN
D1
C3
0.
1
1
2
S4
2P
IN
Vi
n
1
GND
2
Vo
u
t
3
IC7
7805
Vi
n
1
GND
2
Vo
u
t
3
IC1
7812
PO
WER
SWI
T
C
H
SW SPST
+
C5
10uF
+
C1
1000uF
25v
+12
R3
2 1K
R7
1
1K
+
C4
3
100uF
+6
+
C2
6
10uF
C2
5
0.
1
+5
R1
2
1K
BLU
E
PO
WER LED
+5
V+
8
DI
4
RO
1
GND
5
RE
2
DE
3
A
6
B
7
U3
M
AX
485
LED
1
RED
LED
2
RED
LED
3
RED
LED
4
RED
S3
SW SPST
S4
SW SPST
S2
SW SPST
S1
SW SPST
1
2
3
4
5
6
7
8
JP
1
RJ
4
5
C2
15p
F
C4
15p
F
X1
10M
H
z
R7
10K
R2
1K
R8
10K
R3
1K
R5
10K
R1
1K
R4
1K
R6
10K
A
UX V
O
L
W
IP
E
R
A
UX V
O
L
MI
C
V
O
L
WI
PE
R
MI
C
V
O
L
A
B
+5V
GND
VC
C
20
PB
7
19
PB
6
18
PB
5
17
PB
4
16
PB
3
15
PB
2
14
PB
1
13
PB
0
12
PD
6
11
RES
ET
1
PD
0
2
PD
1
3
XT
AL
2
4
XT
AL
1
5
PD
2
6
PD
3
7
PD
4
8
PD
5
9
GND
10
AT
90S
2313
U2
AT
90S
2313
+5
+5
R9
120
R1
0
680
R1
1
680
+5
R3
0
1K
R2
9
1K
R2
3
1K
R2
0
1K
1
2
4
3
SW7
SW D
IP-
2
1
2
4
3
SW6
SW D
IP-
2
1
2
4
3
SW5
SW D
IP-
2
R1
6
10K
R1
9
10K
+5
11
7
12
14
10
9
6
8
4
5
3
2
13
1
+5
MI
C
I
N
PU
T
4
5
PT
T
SWI
T
C
H
1
ON -
L
O
CK
OU
T
M
A
IN BOX
S
W
IT
CHE
S
SWI
T
C
H
2
C6
0.
1
C4
0
0.
1
C4
1
0.
1
C4
2
0.
1
C1
9
0.
1
C3
9
0.
1
R7
2
10K
+5
R7
3
1K
C4
5
0.
1
LED
5
GRE
E
N
R7
4
1K
1
1
2
2
3
3
J1
3P
IN
H
E
A
D
E
R
A 5106 Schematic
Vox Adjustment
Trimpot
Figure 1. Location of vox adjustment .
