GE MDS TD220MAX Technical Manual page 53

Robust communications for positive train control
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Event Log Entry
System Error Please Reboot
Network Interface Error
Radio Synth Out of Lock
Radio Not Calibrated
Setting Frequency Failed
OTA Sync Lost
PA Temperature Too HOT
Time Synchronization
Invalid:
High Reflected Power Set
MDS 05-6906A01, Rev. R
Table 8. Correcting Alarm Conditions
Generating Condition
Unit encounters something
that causes a system error.
Ethernet interface fails to
operate.
Internal alarm caused by
the radio module.
Calibration failure on the
radio.
Radio has failed to set
configured frequencies.
Mobile Radio has lost
synchronization with the
Base Radio.
Temperature of the PA
exceeds limits.
Radio cannot synchronize
with a time source or
configuration is invalid.
SWR exceeds proper
operational limits.
TD220MAX Technical Manual
Clearing Condition or Action
Reboot the radio. If condition
continues after reboot, contact
factory Technical Services.
Contact factory Technical
Services for assistance.
Contact factory Technical
Services for assistance.
Contact factory Technical
Services for assistance.
Toggle frequencies or reboot. If
persistent contact Technical
Services for assistance.
Ensure wireless connection is
free of obstacles and antennas
are properly installed.
Ensure that time
synchronization is valid on the
Base as synchronization lost
on the Base will also cause this
alarm to occur on the Mobile.
Ensure that STFP messages
traffic is present or beacons are
enabled on the Base.
Ensure radio's environment is
within specified range.
Ensure radio is installed with
ventilation to allow for cooling.
If this is the first time booting
up the radio, configure the
necessary time source
information.
Ensure that GPS/PTP
configurations are properly
configured.
Ensure that Ethernet/RF
connections to the radio are
correct.
Ensure proper antenna and
equipment are installed.
47

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