Product Info
Table Of Contents
- About This Manual
- Important Notice
- Introduction
- Document structure
- Document marks
- Key Features
- Hardware Platform
- Power supply
- Lightning protection unit
- Synchronization unit
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- AUX-ODU-SYNC Cable gland Assembling
- AUX-ODU-SYNC Connection to ODU
- Packing List
- Planning considerations
- Link Pre-configuration in the lab
- Installation
- Operation & Administration
- Troubleshooting
- Glossary
Infinet Wireless: Technical Documentation – InfiMAN Evolution
Installation – 68
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The team at the antenna which has the highest gain will click on the "Start Test" button and start to change the
azimuth slowly while watching the signal indicators
As soon as the best signal has been found (Input Signal stripes must be located in the black area, closer
to its center), the antenna must be locked into that position
The same action will be performed for the elevation, and the antenna must be locked into the final
position where both elevation and azimuth provide the best signal, according to the indicators provided
by the antenna alignment tool:
EVM: higher than 21 in absolute value.
Signallevel to interference and noise: higher than 28 dB.
Retries: lower than 5 %.
6.5.2.1 The main parameters displayed in the alignment tool:
RSSI- indicates the power level of the received radio signal, optimal parameter value-60 ... -40 dBm.
CINR- input signal level to noise + interference indicator, >=28 dB.
Crosstalk-indicateshow much vertically and horizontally polarized signals influence each other, >20 dB
in absolute value.
Error Vector Magnitude (EVM)- indicator of the measured input signal quality (it should be as high as
possible in absolute value, the recommended level is not less than 21 dB in absolute value. Some old
firmware had EVM value positive, but most the firmware has negative value, so for the troubleshooting,
evaluate the absolute EVM value).
Tx bitrate- displays the current bitrate for the remote and local units (measured in Kbps).
CAUTION
No contact should be made with the antennas during signal reading because thehuman body can affect
the radiation pattern of the antenna and signal readings.