Arcadian Networks Inc. V390I Manuale Utente
V290iA User Guide
57
Remote Location Troubleshooting Issues
Table 8: Remote Location Troubleshooting Issues
Issue
Actions
V390i is not operational
1. Check that the WMTS is functioning (refer to the NMS User
Guide).
2. Check if the Monitoring modem of this sector is operational.
If it is not operational, it is a general Base Station
problem. Refer to the Troubleshooting section in the
Base Station User Guide.
problem. Refer to the Troubleshooting section in the
Base Station User Guide.
3. Check other modems in the sector.
If they are not operational, the Base Station antenna of
this sector is the problem.
this sector is the problem.
4. Otherwise, the problem is in the specific V390i. Check the
following (refer to the NMS User Guide):
Check the modem DHCP and TFTP events.
Check the modem configuration file.
If no problem is located, the V390i requires on-site
troubleshooting (refer to Table 6: On-Site
Troubleshooting Issues on page53 ).
troubleshooting (refer to Table 6: On-Site
Troubleshooting Issues on page53 ).
A Modem Threshold Crossing
Alarm (TCA) occurred. The
alarm can be any of the
following:
Alarm (TCA) occurred. The
alarm can be any of the
following:
Downstream SNR
Downstream Rx. Power
Downstream
Corrected/Uncorrected
Codewords
Corrected/Uncorrected
Codewords
Upstream Tx. Level
Upstream Rx. Power
Downstream / Upstream
Uncorrected Codewords
Uncorrected Codewords
If the alarm does not concern Upstream Tx. Power or
Downstream Rx. Power, compare the results with the
sector’s Monitoring modem.
Downstream Rx. Power, compare the results with the
sector’s Monitoring modem.
If there is degradation in the Monitoring modem, the
problem lies with the Base Station. Refer to the
Troubleshooting section in the Base Station User Guide.
problem lies with the Base Station. Refer to the
Troubleshooting section in the Base Station User Guide.
Check the performance of other modems in the sector.
If there is degradation in the other modems’
performance but the Monitoring modem is OK, the
problem lies with the Base Station sector antenna.
performance but the Monitoring modem is OK, the
problem lies with the Base Station sector antenna.
If the other modems in the sector are OK, the problem
lies with the V390i.
lies with the V390i.
Study and analyze the performance – is it a sudden
event, or degradation over a time period.
event, or degradation over a time period.
Check the following parameters: Downstream SNR,
Upstream SNR, Downstream Rx. Power,
Downstream Corrected/Uncorrected Codewords,
Upstream Tx. Level, Upstream Rx. Power
Upstream SNR, Downstream Rx. Power,
Downstream Corrected/Uncorrected Codewords,
Upstream Tx. Level, Upstream Rx. Power
Downstream / Upstream Uncorrected Codewords
You will probably need to go to the site to locate the
problem.
You will probably need to go to the site to locate the
problem.