RAD-ISM-900-EN-BD…
4-16
PHOENIX CONTACT
2476_en_I
4.12
Frequency Blocking
To configure frequency blocking, click on “Configuration… Radio… Frequency Blocking” in
the left navigation column.
Figure 4-13
Frequency Blocking
In applications where there is a known interference problem, frequency bands can be
blocked in the RAD-ISM-900-EN-BD… radios to decrease packet loss. The amount of RF
spectrum that can be blocked depends on which RF Data Rate is used.
Up to three separate frequency ranges can be blocked. The sum of the frequency ranges
cannot exceed those listed in the table. The “Available Spectrum” field indicates how much
more of the band can be blocked.
After inserting all frequency ranges that would cause known interference, click the “Submit”
button. An additional message appears (see Figure 4-14) prompting to click the “Apply
Radio Changes” button. This will reboot the unit and the settings will take effect.
Figure 4-14
“Apply Radio Changes” button
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