Tsunami QB-8100 Series (100 Mbps/5 Mbps Models) Installation and Management Guide 61
See the following DFS parameter configurations table that lists the parameters and their descriptions
4.4.7.3 Blacklist Information
This section displays information regarding various blacklisted channels. It consists of the following parameters.
NOTE: Click COMMIT for the changes to take effect.
4.4.8 DDRS
Dynamic Data Rate Selection (DDRS) feature allows the End Point A or End Point B to monitor the remote average
signal-to-noise ratio (SNR) and the number of retransmissions between the End Point A and End Point B or vice versa. End
Point A or End Point B adjusts the transmission data rate to an optimal value to provide the best possible throughput
according to the current communication conditions and link quality.
End Point A or End Point B runs the DDRS Algorithm separately based on their local DDRS Status configuration. When DDRS
Status is enabled on End Point A, End Point A monitors the remote SNR and number of retransmission for every registered
End Point B and it can adjust different transmission rate for different End Point Bs based on their link condition. When DDRS
Status is enabled on End Point B, End Point B monitors the remote SNR and number of retransmissions for End Point A and
can adjust the transmission rate according to the link condition.
Note that DDRS can be enabled or disabled both on End Point A and End Point B separately.
Parameter Description
Channel Wait Time End Point B after selecting the best channel from its
End Point A-scan list, scans for the RADAR for a period
of 60 seconds in that particular channel. This Channel
Wait Time ranges from 0 to 3600 sec. By default,
Channel Wait Time is set to 60 sec.
NOTE: End Point B starts transmitting only when
the channel is found clean during the
channel wait time (60 seconds scan) for
RADAR.
DFS Status (End Point B only) This parameter is displayed in End Point B only. Select
the DFS Status “Enable” or “Disable” from the
drop-down box provided. By default, DFS Status is
Disable.
Parameter Description
Channel Number The channel number indicates the channel that is
blacklisted.
Reason The reason for which that particular channel is
blacklisted. The most common reason for blacklisting a
channel is the presence of a local radar or remote radar
in that channel.
Time Elapsed The time elapsed since the channel was blacklisted.
When the channel is black listed due to the presence of
a radar, it will be de-blacklisted after 30min.
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