C420 Installation Manual
9
3.3 INTERNAL LAYOUT OF THE C420 MODULES
The control panel is composed of several modules and boards properly connected among them:
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Power supply unit (AC/DC)
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CPU board
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Command and Control module (MCC)
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Display module
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Up to 4 optional ML420 circuit modules – 4 conventional detection circuits and 4 relay outputs per module
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Optional MR420 module – 4 supervised siren outputs
•
Optional interface board RS232/485
Figure 1 – Internal layout of modules
D
IS
P
L
A
Y
