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4.2 AX-CTL-1PCB One Loop or AX-CTL-2PCB Two Loop Base Card
The AX-CTL-1PCB one loop or AX-CTL-2PCB two loop, base card (referred to as AX-CTL base card) is the main
board of the Axis
AX
Intelligent Fire Alarm Control Panel and is pre-mounted to standoffs on the rear of the back box.
The AX-CTL base card is hung on five top-hat (screw-less) standoffs [ ] and secured with three (3) screws
[p] (see figure 5). It is critical when replacing the base card that these screws are tightly secured as they are
required for proper earth ground connection.
Failure to tighten screws will defeat the protection circuitry designed to protect the card from damage due
to lightning and static electricity.
Figure 5 - AX-CTL (AX-CTL-1PCB / AX-CTL-2PCB) Base Card
