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10 Mx-1000 Series C1632 16-Zone Expansion Board
Features
Detection zone
terminals for
zones 17 – 32
Connector for
motherboard
ribbon
Figure 11 – C1632 16-Zone Expansion Board
11 Power Supplies
The Mx-1002,Mx-1004, Mx-1008 and Mx-1016 panels produce d.c. power regulation directly on
the C1627 motherboard. The Mx-1032 zone panel has an off-board power supply via a dedicated
PCB (C1652) contained within the enclosure of the fire alarm panel.
For all panels, the output voltage is adjustable from 25V to 28.2V via a small trimmer
potentiometer on the PCB. As the output voltage is factory set however, this should not be
necessary.
11.1 Visual indications
The following visual indications are provided:
1) A green ‘Output – OK’ LED. This simply denotes that power is being supplied to the
panel
2) A yellow ‘Batt/Charge Fault’ LED denoting any one of the following conditions:
a) Battery disconnected
b) Battery fuse blown
c) Low Battery voltage
3) A yellow ‘Charger Fault’ LED. This denotes that the switching regulator has stopped
working and could be due to the following reasons:
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