AU Menu
WiLink-I Modular Base Station System Manual
115
Configured ODU Frequency Band of the associated ODU (see
Section 4.7.4.3
).
The help text (displayed upon clicking the Tab key) reflects the limitations
imposed by these rules.
In addition, the following rules must be followed:
1
After configuring the Downlink Frequencies f1 for one of the AU's
Channels, the Downlink Frequencies for other Channels of the same AU
should be configured using increments of +/- 0.875 MHz from the defined
frequency: f1 +/-(N*0.875).
2
The Downlink Frequencies of all Channels of the same AU should belong to
the same Frequency Bands Group (see
Section 4.7.5
).
¢
Admin Status: The Admin Status must be disabled to enable changes in the
Configured ODU Frequency Band of an associated ODU. If the Configured
ODU Frequency Band differs from the actual band supported by the ODU, a
mismatch trap will be sent by the AU upon trying to associate it with a
Channel and the association will be rejected.
The Admin Status of all Channels belonging to the same AU must be disabled to
enable a configuration change in the Bandwidth parameter.
The Show menu includes also the following read-only parameters:
¢
Tx Power: As configured in the Associated ODU.
¢
Associated Radio Cluster: As configured in the Associated ODU.
¢
Uplink (Rx) Frequency: Computed from the configured Downlink (Tx)
Frequency according to the Duplex Separation of the applicable Frequency
Band.
¢
Frequency Band: The Configured ODU Frequency Band. If there is a mismatch
between the Configured ODU Frequency Band and its actual band, both
values will be displayed.
¢
Operational Status
4.8.4.3.4
Multirate Parameters
WiLink-I employs a multirate algorithm to dynamically adapt the modulation
scheme and Forward Error Correction (FEC) coding to actual link conditions. The
algorithm is managed by the AU taking into account also information received
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