Hardware Installation Verification
Access Point Deployment Guide
30
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its subsidiaries, affiliates, and/or licensors. This document is provided subject to the confidentiality obligations set
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express written consent of Trilliant.
If the Return Loss is not acceptable, the antenna should be disconnected and the antenna line
should be terminated with a 50 ohm load. The Return Loss test should be repeated. If the antenna
line Return Loss is now greater than 20 dB and is flat across the frequency range, the antenna
should be replaced. If the Return Loss is not acceptable, the antenna cable system should be
tested using the Distance to Fault (DTF) capability in the antenna analyzer to locate the problem.
Figure 11.
Return Loss
Figure 12.
Distance to Fault
Note:
o
Measurement is required to be >20 dB for coaxial cable and connectors.
o
Overall return loss with antenna should be > 17 dB.
o
Measurements should be taken with the antenna as well as with a 50Ω terminating
load.
