Neptune 13458-000, Руководство по установке и обслуживанию

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R900 Gateway Installation and Maintenance Guide 69
Chapter 6: Troubleshooting
This section provides possible symptoms, areas of focus, and actions you can take
to resolve problems that could arise with your Gateway unit.
Performance Troubleshooting
Refer to the following table to troubleshoot performance or failure issues.
Problem/Failure Recommended Action
N_SIGHT PLUS host
software
l
Check to ensure that the database service is running.
l
Check with your cellular provider to ensure that the cellular service has not
been terminated.
l
Cellular connectivity - Refer to "Checking Power and Receiver" on page 71
and "Checking Cellular Modem Connectivity" on page 73 for further
diagnosis.
All of the packets appear
to be there but some
packets are empty (0
bytes) Please refer to "Installation Troubleshooting" on the next page.
Poor MIU read
performance
l
Perform a VSWR check on the coax cable feeding the RF antenna. If it is
bad, please do the following.
l
Inspect the coax cable for damage.
l
Inspect the weatherproofing on the coax cable connections.
l
Check for moisture ingress inside the coax cable for the RF antenna.
l
Verify that RF antenna is good.
l
Verify that the internal RF and cellular antenna coax connections aren't
swapped.
Table 9 – Performance Troubleshooting