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Receive Modulation Mode: The modulation mode currently being used on the receive
channel. The number in brackets after the modulation mode and coding rate string is the
effective data rate available to all MAC layer protocols. List of all the modulation modes can
be found in Section 14 "Data Rate Calculations" where data rate calculations plots are given
for each available modulation mode.
Receive Modulation Mode Detail: This supplies the user with information regarding the
receive modulation mode in use. Possible values are:
•
Running at maximum receive mode
•
Running at user-configured Target Modulation Mode
•
Restricted because Installation is armed
•
Restricted because of byte errors on the wireless link
•
Restricted because a DFS channel change is in progress
•
Restricted due to the low Ethernet link speed
•
Limited by the radio conditions
Signal Strength Ratio: The Signal Strength Ratio is the ratio of the power received by the
Vertical / Horizontal receivers and presented as: max, mean, min, and latest in an histogram
format. The max, min and latest are true instantaneous measurements; the mean is the mean
of a set of one second means. See footnote 8.
Wireless Link Availability: Expresses the link availability as a percentage of time since the
first successful registration after a system restart, expressed as a percentage to four decimal
places.
Byte Error Ratio: The ratio of detected Byte errors to the total number of bytes since the last
system reboot. This is a true measure of link quality as this measurement is made continually
using null frames when there is no user data to transport.
Code Word Error Ratio: The ratio of uncorrected Codeword errors to the total number of
Codewords, calculated since the last reset of the system counters.
Statistics Page Refresh Period: The statistics page refreshes automatically according to the
setting entered here (in seconds).
Reset System Counters: By pressing this button all counters in the system are reset to zero.
Reset System Histograms: All histograms are reset, and the calculation period is restarted.
101
8 Web Page Reference
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