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The Signal to Noise Ratio (SNR) identifies the communication quality of the
radio path between the initiator station and its remote link test partner.
The color of the SNR indicator, the link quality indicator, and the remote
levels indicators relate to the following levels of communications quality:
• Green
• Yellow
• Red
• Blank
If the level of SNR is lower than expected the signal and noise level
indicators may help you investigate the cause.
Click the
•
A low signal level indicates that the "strength" of the radio signal is fairly
low, i.e. the Access Point RLM selected link test partner has moved
"out-of-range" .
•
A high noise level indicates a source of radio interference in the radio
path between the RLM and its link test partners.
Industrial Ethernet Wireless LAN RLM Manager, CP 1515 Manager
C79000-G8976-C171-01
Communication quality is "Good" , no intervention is required.
Communication quality is "Marginal" , no intervention is
required.
Communication quality is "Poor" , intervention required. (see
Troubleshooting (page
No connection
button to show the signal and noise level indicators.
236))
107
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