Installation and Operations Manual
AT&T Proprietary (Internal Use Only)
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power conversion, but they are equipped with 24 hour battery backup and will continue
to operate for 24 hours under a local power failure condition. They are equipped with
customer replaceable batteries.
Under normal operating conditions the Proprietary 915MHz Two-Way devices, including
the Keypad, Siren and Repeater, receive power from AC-to-DC power conversion, but
they are equipped with 24 hour battery backup and will continue to operate for 24 hours
under a local power failure condition. All three devices are equipped with customer
replaceable batteries.
