Kodio MC5408 User manual

MC 5408
1 2 345678
STANDBY AMPLIFIER CHANGEOVER
MODE
MANUAL
CHANGEOVER
PRIORITY
POWER
STANDBY FAULT
STANDBY AMPLIFIER CHANGEOVER
EXTERNAL
INSTRUCTION MANUAL
MC5408
Standby Amplifier Changeover unit
Thank you for choosing another quality product from Unique Amp Sdn Bhd.
MC5408 is an innovative product, integrating previous models ofAX7000andAC3601 in a box. Thereby it can be used as a
manual standby amplifier changeover or as semi auto unit which shall be used with amplifiers with auto fault sensors. In the
latter mode, the unit can be changed to manual mode, simply by changing the front mode switch.
MC5408 comes with 8 inputs for duty amplifiers with single standby power pack. Cascade is possible to enable each
standby amplifier to cater for more than 8 duty units with simple link cable.
With our continuous product improvement policy, we are simply building more efficient and reliable tool for ever increasing
demanding needs of today's PA installations. Installing MC5408 to your system, it's definitely a plus tool of performance
and reliability at a fraction of cost as compared to similar equipment in its class.

Parts Identifications
PAGE 2 MC5408 | STANDBY AMPLIFIER CHANGEOVER UNIT
S/BY AMP. CHANGEOVER
+ -
DC 24V
500mA
AMP. FAULT DETECT TRIGGER OUT
100V
IN
100V
COM
100V 100V
COM COM
IN OUT
COM
AMP 1
OUT
100V
IN
100V
COM
100V 100V
COM COM
IN OUT
COM
OUT
100V
IN
100V
COM
100V 100V
COM
COM
IN OUT
COM
OUT
100V
IN
100V
COM
100V 100V
COM COM
IN OUT
COM
AMP 2 AMP 3 AMP 4 AMP 5 AMP 6 AMP 7 AMP 8 STANDBY
AMP
IN
100V
COM
LINK
IN
OUT
CASCADE
1 2 3 4 5 6 7 8 S/B C
DUTY AMPLIFIER INPUTS
PLEASE OBSERVE POLARITY
TO ZONE SELECTOR
AC3801
S/BY IN
WIRING CONNECTIONS
AMP.IN
AMP.OUT
OUT
IN
CASCADE LINK
DUTY AMP
S/BY AMP OR SPEAKERS
1 2 345678
STANDBY AMPLIFIER CHANGEOVER
MODE
MANUAL
CHANGEOVER
PRIORITY
POWER
STANDBY FAULT
STANDBY AMPLIFIER CHANGEOVER
EXTERNAL
12
Front View
MC 5408
Rear View
3
4 5 6 7 8
1. LED INDICATORS
2. CHANGEOVER MODE BUTTON
LED Indicator for power and standby fault.
4. DC SUPPLY INPUT
3. CONTROL BUTTON
5. AMP. FAULT DETECT TRIGGER
6. DUTY AMPLIFIER INPUT / OUTPUT TERMINALS
Each switch represents a duty amplifier ( amp 1 to amp 8 ) respectively. Selecting any switch would lit up the LED
indicating that particular duty amplifier has been switched and the standby unit has taken over its role as duty unit.
If more than one switches is pressed, the amplifier with lower number of assignment would have priority over the higher
one, thus preventing overloading of the standby pack. It is recommended that only one switch is pressed at any one
time. ( Priority 1 : highest )
It is recommended that DC 24V supply with regulated output is connected to the unit. ie. Kodio PS5424 24V regulated
DC power supply pack.
Outputs of amplifiers 1 to 8 is connected here and subsequently to other equipments such as speaker zone selector.
Please refer to "Connecting The Unit" for proper instruction.
7. STANDBY AMPLIFIER INPUT TERMINALS
8. CASCADE LINK TERMINALS
Use this port to connect to the outputs of the standby amplifier. Please ensure correct polarity in termination.
If 2 or more MC5408 are to be installed, link each of the units via this terminal. Kindly follow the arrow as indicated for
linkage.
Amplifiers with fault sensors. eg QP2000 series has fault contacts, which shall be connected to this port.
Mode button to select manual operation or remote trigger changeover.

Schematic - Manual Amplifier Fault Changeover
MC5408 | STANDBY AMPLIFIER CHANGEOVER UNIT PAGE 3
STANDBY AMPLIFIER
DUTY AMPLIFIER # 08
DUTY AMPLIFIER # 01
KODIO MC5408
HIGH PRIORITY
LOW PRIORITY
1 8 STANDBY AMPLIFIER INPUT
AMP OUT 1
AMP OUT 8
1
8
PUBLIC ADDRESS POWER AMPLIFIER
SIGNAL -40 dB
SIGNAL -10 dB
POWER
PROTECT
CLIP
PUBLIC ADDRESS POWER AMPLIFIER
SIGNAL -40 dB
SIGNAL -10 dB
POWER
PROTECT
CLIP
12 3 4
5
678
STANDBY AMPLIFIER CHANGEOVER
MODE
MANUAL
CHANGEOVER
PRIORITY
POWER
STANDBY FAULT
STANDBY AMPLIFIER CHANGEOVER
EXTERNAL
PUBLIC ADDRESS POWER AMPLIFIER
SIGNAL -40 dB
SIGNAL -10 dB
POWER
PROTECT
CLIP
amperes
The duty amplifier #01 connected to input 1 of MC5408 shall have highest priority for standby takeover.

PAGE 4 MC5408 | STANDBY AMPLIFIER CHANGEOVER UNIT
Connecting The Unit: Manual Mode
S/BY AMP. CHANGEOVER
+ -
DC 24V
500mA
AMP.FAULT DETECT TRIGGER OUT
100V
IN
100V
COM
100V
100V
COM COM
IN OUT
COM
AMP 1
OUT
100V
IN
100V
COM
100V
100V
COM COM
IN OUT
COM
OUT
100V
IN
100V
COM
100V 100V
COM COM
IN OUT
COM
OUT
100V
IN
100V
COM
100V 100V
COM COM
IN OUT
COM
AMP 2 AMP 3 AMP 4 AMP 5 AMP 6 AMP 7 AMP 8 STANDBY
AMP
IN
100V
COM
LINK
IN
OUT
CASCADE
1 2 3 4 5 6 7 8 S/B C
DUTY AMPLIFIER INPUTS
PLEASE OBSERVE POLARITY
TO ZONE SELECTOR
AC3801
S/BY IN
WIRING CONNECTIONS
AMP.IN
AMP.OUT
OUT
IN
CASCADE LINK
DUTY AMP
S/BY AMP OR SPEAKERS
MC5408
Duty 1 Power Amplifier #01
Duty 1 Power Amplifier #08
Standby Power Amplifier
100V 100V
No Connection Output 1 to 8
100V
The below diagram is suitable for amplifier without auto fault detection circuit and only requires manual changeover during
fault.
OUT
100V
IN
100V
COM
100V 100V
COM COM
IN OUT
COM
AMP 7 AMP 8
100V COM
From amplifier
100V COM
To Speaker

PAGE 5MC5408 | STANDBY AMPLIFIER CHANGEOVER UNIT
Multiple Unit Installation ( Cascade)
100V
COM
IN
OUT
S/BY AMP
INPUTS CASCADE LINK
INPUTS
S/BY AMP
COM
100V
LINK
CASCADE
OUT
IN
MULTIPLE UNIT INSTALLATION
100V
COM
IN
OUT
S/BY AMP
INPUTS CASCADE LINK
UNIT 1
UNIT 2
UNIT 3
STANDBY AMPLIFIER
PRIORITY 2
PRIORITY 1
PUBLIC ADDRESS POWER AMPLIFIER
SIGNAL -40 dB
SIGNAL -10 dB
POWER
PROTECT
CLIP
PRIORITY 3
Standby amplifier input section
Whenever a standby amplifier is required to serve more than 8 duty units, cascade the MC5408 with the configuration as
shown.The numberof cascadeisunlimited,butforan effective system,we wouldrecommend thatmaximumcascadeshould
be 3.
Thehighestprioritywouldbethefirstunitof MC5408atchannelinput1.Thereby thisduty amplifierwould havehigher chance
of changeover in the queue.

MC5408 | STANDBY AMPLIFIER CHANGEOVER UNIT PAGE 6
Operating The Unit
Operating voltage
Power consumption
Zone load rating
No of amplifier inputs
Changeover indication
Switching mode
Cable connections
Cable size
Dimension (WxHxD)
Weight
Colour
24V DC ; 0.2A
Standby: 82mW, 3.4 mA
Operating: 1.3W, 50 mA
500W / 100V line input (max)
8 duty, 1 standby
Front panel LED for duty amplifier being Changeover
Via front panel switches (manual mode)
Remote trigger (auto mode)
Plug in detachable connectors with screw
Up to 2.5 mm sq
482 x 44 x 180 mm
2 kg
Black, powder epoxy coated
Note:
The above specifications are correct at time of printing but subjected to changes without prior notice due to product
improvements.
Cascade capacity Unlimited (Recommended 3)
Technical Specifications
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MODE
MANUAL
CHANGEOVER
PRIORITY
POWER
STANDBY FAULT
STANDBY AMPLIFIER CHANGEOVER
EXTERNAL
Manual Mode:
1) Press the mode button with ‘MANUAL’LED lits.
2) Determine which amplifier is faulty and press the assigned channel for standby takeover.
External Mode:
Use this mode only if amplifiers with auto fault sensors are used.
1) Select the ‘EXTERNAL’mode via mode button
2) Changeover would take place automatically if duty unit is faulty and shall be indicated by the respective LED.