Introduction
2
Basic System Characteristics
The normal operating range of the Pyrologic-2000 system is 65 meters from TU to
RCU. This range can be extended by connecting an XU to a BU to which a TU is
mounted. When mounting TU to BU, an XPTT can be attached to the BU. The range
extension is in accordance to the length of the extension cable of the XU connecting
between the BU to the XU. The RCUs are assigned to the TU by individual
programming communicated through the one-way RF link between TU and RCU.
Subsequently the operation of the RCUs is controlled by the TU through a one-way
RF link between TU and RCU, or alternatively by a wired link between the BU onto
which the TU is mounted and the XU, continued by a one-way RF link between XU
and RCU.
The system operates at the 418 MHz frequency and has been designed to comply
with the applicable FCC regulations (pending approval).
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