User Manual
System Maintenance
45
Alarm Information
Solution
downlink output power)
7.4
Troubleshooting
Phenomena
Possible Cause
Solution
The device fails to be
powered on.
The power cable is not connected, or the
contact with the socket is loose.
Connect the power cable
properly and ensure good
contact.
The RUN indicator glows
green solidly.
The unit is powered, but a module is
faulty.
Troubleshoot or replace the
faulty module.
The RUN indicator is off.
The unit is not powered, or a module is
faulty.
Check whether the power cable
is properly connected, or
troubleshoot the faulty module.
Or replace the faulty module, if
necessary.
The ALM indicator glows
red solidly.
A module is faulty.
Replace the faulty module.
The ALM indicator flashes
red.
A connector is faulty.
Check the connector.
The VSWR indicator
flashes red rapidly.
One or more ports generate VSWR alarm
during starting of the unit.
Check whether the connection of
the antenna system is proper.
The VSWR indicator
flashes red slowly.
One or more channels are abnormal after
the cell is set up.
Check whether the connection of
the antenna system is proper.
The SFP indicator is off.
The optical fiber link is faulty.
Check whether the fiber and the
optical module are properly
connected.
If the above solutions cannot fix your problem, please contact us.
Summary of Contents for DS-9300
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