User's Manual

Installation and Operations Manual
AT&T Proprietary (Internal Use Only)
—67—
backup. When the Takeover Module and 433MHz Repeater send their supervisory
messages to the DLC, the messages include an indication of whether the device is
operating on power from the AC to DC converter or operating on power from the
batteries.
The Key Fob does not send supervisory messages.
The safety regulations and FCC Compliance Statements for these devices are
presented in the next section.