Architecture; Precision Timing; Synchronization; Typical System Setup - Primex 14000 Series Installation & User Manual

Transmitter - external antenna xr time synchonization
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XR S
ERIES

Architecture

The XR Time Synchronization System has been designed with customization in mind. It provides a scalable solution that offers time
synchronization services for a variety of devices and components. The system ranges from a a single transmitter, GPS Receiver, and a
handful of clocks in a single building, to a campus wide deployment.

Precision Timing

The Global Positioning System (GPS) Receiver draws time information from the U.S. Government Satellites. The GPS Receiver then sends
the time to the transmitter.

Synchronization

Once the transmitter has received its time, from either a GPS Receiver or another transmitter, it sets its internal clock. It then transmits
time information or schedules via a wireless radio signal to the wireless clocks, bells, and other devices in the system. As a result, the
system clocks, bells, and other devices are precisely synchronized to each other and all time, schedules, and events are kept current.
Time Source: The transmitter has its time synchronized by a GPS Receiver and then broadcasts that time and event
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schedules to clocks and other devices. The transmitter operates on channels with 20kHz bandwidths and 72MHz
frequency and is preset to one of the channels licensed by the FCC/IC to minimize interference on these frequencies and
channels.
Transmit Schedule: The transmitter transmits its synchronized time to the system clocks and devices from the 39th to
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the 6th minute of the next hour and changes to a standby mode during the 7th to the 38th minute of the hour (standard
broadcast schedule). During initial power-up, the transmitter broadcasts for 8 consecutive hours. After the 8 hour power-
up period, the transmitter reverts to the standard broadcast schedule.

Typical System Setup

The illustration below represents a typical system setup.
Figure 2: Transmitter - External Antenna Typical System Setup
Primex Wireless
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YNCHRONIZATION
14000 Series Transmitter - External Antenna Installation & User Guide
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