XR Series Specifications
XR Series Transmitters broadcast over a 72MHz frequency that leverage the precision of GPS satellite or Network Time Protocol
(NTP) time to wirelessly synchronize time to analog and digital clocks, timers and other time receivers throughout a facility.
Transmitter Operation
Time synchronization
Once a Transmitter has received its time, from either a GPS Receiver, NTP time source (XR models only) or another Transmitter, it
sets its internal clock. It then transmits time information or schedules via a wireless radio frequency signal to the wireless clocks,
bells, and other devices in the system. As a result, the system devices are precisely synchronized to each other and all time,
schedules, and events are kept current.
Time Source:
a Transmitter receives time from a GPS Receiver or a NTP server (XR models only) and then broadcasts received time
and event schedules to clocks and other system devices.
Frequency and channel:
a 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.
Broadcast (Transmit) Schedule Transmitter with External Antenna:
broadcasts its synchronized time to the system clocks and
devices from the 39th to 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 its timed broadcast schedule.
Lightning Arrester - 5 Watt and 30 Watt models only:
a lightning arrester is housed inside the enclosure and helps protect the
Transmitter and amplifier from lightning damage during severe weather. However, Primex cannot guarantee that all damage will
be prevented even with the lightning arrester installed.
High Power Amplifier - 5 Watt and 30 Watt models only:
a high-power amplifier increases the output power of the base
Transmitter. The amplifier is housed in the Transmitter's industrial style enclosure for safety reasons. Transmitter includes an
externally mounted antenna and an RF power amplifier that increases the output power, allowing it to transmit a greater distance.
Analog Clock signal search frequency:
six pre-scheduled times a day at 10:01, 2:01 and 6:01 a.m. and p.m. lock time (not the
actual time of the day), a clock's receiver turns on to search for a Transmitter signal to receive a time update, starting with the
previously stored channel number.
Digital Clock/Timer signal search frequency:
every 10 minutes on the 5's (5, 15, 25, 35, 45, 55 minutes) of the hour, a clock's
receiver turns on to search for a Transmitter signal to receive a time update.
Power-up sequence
1. When the Transmitter is powered on, its front display lights up.
2. Green, yellow, and red LED lights turn on for 2 seconds as a test and then turn off.
3. Green LED illuminates to indicate the Transmitter is broadcasting.
9
Содержание XR 30 Watt
Страница 4: ...Distance above roofline illustration 4 XR 5 Watt 30 Watt Transmitter Install Operation Guide...
Страница 16: ...Step 13 Verify Transmitter is Operational 16 XR 5 Watt 30 Watt Transmitter Install Operation Guide...
Страница 27: ...Non Penetrating Mount Illustration 27...
Страница 36: ...GPS Receiver installation components and illustration 36 XR 5 Watt 30 Watt Transmitter Install Operation Guide...