5 | P a g e
Power Supply
The Hawk must be wired DIRECTLY FROM THE 12V BATTERY.
The transmitter will draw up to 2A peaks when it transmits and
power connection is critical for its correct operation.
Use 1mm flex (or thicker) and NOT security cable to power the
radio.
Check AC
The Check AC (CAC) input detects the presence of the AC
supply and is used to check for power failure. The CAC line
should be connected to one of the transformer’s SECONDARY
terminals. Do NOT connect this line to the mains.
The CAC line will detect AC voltages between 10 and 24V.
The AC Failure and AC Restore signals have a programmable
delay (default 10 minutes) in order to prevent false triggers.
Dry Contact Inputs
The dry contact inputs can be used to detect alarms generated
from the outputs of the Alarm Panel or from other sources.
If the external device generates the alarm by pulling the input
to ground (negative trigger), the pull-up jumper should be
inserted on the corresponding input of the Hawk.
Contact ID Inputs
The Hawk+ can ‘intercept’ signals sent by the alarm panel on
its telephone line (Contact ID) interface. If the Contact ID
interface is to be used, the Alarm Panel’s TIP and RING lines
should be connected to the TIP and RING lines on the Hawk.
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