Tsunami
®
800 & 8000 Series - Software Management Guide 98
Channel Offset
: Applicable only to MP-8160-BSU; MP-8160-BS9; MP-8160-SUA; MP-8150-CPE;
MP-8160-CPE-A100; MP-825-CPE-50; MP-820-BSU-100; MP-820-SUA-50
+
;
MP-825-SUR-50
+
; QB-825-EPR/LNK-50
+
; QB-825-EPR/LNK-50;
QB-8150-LNK-12/50 devices.
The Channel Offset parameter helps to change the operating channel center frequency. If
the predefined center frequencies are not desirable, user can shift the center frequency to
suit the requirement by configuring the Channel Offset. By default, the Channel Offset is
set to 0. You can configure the Channel Offset in the range -2 to +2 MHz.
For example, consider a channel number 100 with center channel frequency set to 5500
MHz. If the Channel Offset is set to 0 MHz, the center channel frequency remains at 5500
MHz. If you configure the Channel Offset to 2MHz then the center channel frequency will
change to 5502MHz. Similarly for a Channel Offset of -2MHz, the center channel
frequency is changed to 5498 MHz.
: Even though the center channel frequency is changed, the channel number still
remains same, in this case 100.
Auto Channel
Selection (ACS)
Auto Channel Selection (ACS) enables the device to determine the best channel for
wireless data transmission with less interference.
If ACS is enabled on the BSU/End Point A, it scans all the channels and selects the best
channel at the startup. If ACS is enabled on the SU/End Point B, it continuously scans all
the channels till it finds the suitable BSU/End Point A and connects to it. By default, ACS is
disabled on BSU/End Point A and enabled on SU/End Point B.
: On BSU/End Point A, ACS is performed only during startup.
Preferred Channel Allows the user to select and operate in the preferred channel.
Preferred channel can be configured only when ACS is disabled. If Dynamic Frequency
Selection (DFS) is active, the device will automatically pick a new channel when radar
interference is detected.
Active Channel A read-only parameter that displays the current operating channel.
: Active Channel can be different from Preferred Channel if radar interface is
detected.
Parameter Descriptions
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