AT&T Digital Life Installation And Operation Manual page 32

Installation and Operations Manual
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.
AT&T Proprietary (Internal Use Only)
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