Section 3
3-5
WARNING
This process must be followed or damage to the antenna network may result. This process requires the measuring of
DC voltage and requires the use of voltmeter, proper care must be used when working around electricity or personal
injury may result. If you are not familiar with the use of a voltmeter do not proceed with the test, find a qualified
person to perform the test.
Antenna Network Maintenance
Equipment needed:
Ladder, flashlight and digital multi-meter.
Verify all connections of coax cables are secure.
Verify both lights are illuminated on each antenna network unit. If either light is out it could be caused
by either a faulty antenna network box (which would need to be replaced), or a disconnected coax
cable between this antenna network box and the next unit in the chain.
If both lights are out it could be caused by a faulty antenna network power supply(s). Refer to the
section “Power Supply Testing and Verification” below for troubleshooting.
Verify the lights are illuminated on either the LNA 611/915 or the 2500MHZ Down Converter (depending
on the system configuration). In the case of the Down Converter the light will indicate the selected band
which the Telemetry Central 3.X is set to receive. If these lights are not illuminated it could be caused
by a faulty power supply or faulty unit which would need to be replaced.
Antenna Network Power Supply Testing and Verification
To test the proper operation of any of the antenna network power supplies, obtain a spare
identical power supply and temporarily plug it into one of the antenna networks which currently
does not have a power supply attached, and the wall.
Remove the antenna network power supply connector of the power supply to be tested from
the antenna network.
Using a voltmeter measure output of the power supply, the voltmeter should read 12 volts DC.
If 12 volt DC power is not present the power supply must be replaced.
After successful testing, re-connect the power supply to the antenna network.
Continue this process for all power supplies in the antenna network. When completed testing
all of the power supplies, remove the spare power supply from the antenna network.
Printer Maintenance and Servicing
Refer to the provided network printer manual for diagnostic testing, error logs, troubleshooting flow chart
and prescribed maintenance.
Summary of Contents for Surveyor Central 3.x
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