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DHS- L Gener al D esc riptio n
Power Supply
The system's power supply plugs into a dedicated circuit equipped with 117VAC +/-10%.
The power supply receives single-phase main power (117 VAC at 60 Hz) and converts it to
approximately 35 VDC for internal system usage, with 24 VDC battery backup interface.
AC Power
On/Off
AC Fuse
AC Plug
Three fuses, that can be accessed through the power supply front panel, provide
protection to all internal system circuitry.
The KSU should be plugged into an isolated, grounded circuit.
Figure 2-3: Power Supply
Chapter 2 - Description a nd Installation
Battery Backup
Switch
DC Fuse
Battery Fuse
2-7
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