X11CB INSTALLATION AND OPERATION
2.4.12.
Power Sources
The external 24 VDC power is bussed internal to the chassis and is provided to the Alarm
Module at J2 pin 7 on the PC board. A surface mount fuse F6 is provided to protect for
over current failures within the Alarm Module.
The fused output of F6 provides 24VDC to voltage regulators U9 and U6. They regulate
the 24VDC down to 5 VDC and 3.3VDC respectively.
There will be Power Distribution Points throughout the system that can handle a
maximum of 240 Watts. Every Power Distribution chassis will have a Power filter card
installed in the left side of the chassis as viewed from the front.
X11CB-3031-IOM
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Illustration 16: X11-2039PL Power Filter