AvaLAN Wireless AW-900i - Manual (Page 5)

automatic frequency selection mode (DIP switches — all OFF for automatic mode)
Manual frequency selection mode
site survey mode (DIP switch 4 — default is OFF for normal operation)
aW900i User’s Manual
PaGe 5 www.avalanwireless.com Technical support :: (650) 384.0000
Advanced settings
The AW900i is designed to automatically select and continuously optimize the performance of its radio channel. The radio channel
is monitored to ensure it is providing low error rates necessary for successful radio transmission. In the event that the error rate
rises, the AW900i will autonomously change to a new channel. There are 12 non-overlapping channels.
To restrict the operation of the AW900i to a subset of the 902-928 band, the user may activate a manual selection mode that allows
the radio to automatically choose the best channel within a grouped subset of the 12 available channels. This is enabled by the 8
position DIP switch on the master unit. These settings allow the AW900i to operate on the optimal channel in one of three subsets,
LOW 4, MID 4, or HIGH 4. The DIP switch settings are:
Or, the user may wish to select a specific channel. This can be done by setting DIP switches 5-8 as shown in the table below (turn
DIP 2 Off / 3 Off).
In this mode, the AW900i can perform a site survey. With this mode activated, the radios send and receive at 100 percent capacity
by transceiving self-generated simulated data. The installer can monitor the Link Quality display to assess channel quality while
optimizing antennae orientation. The installer can manually select each channel to evaluate performance and identify the best
channels for operation. By identifying channels with poor performance it is possible to identify possible interferers and use “manual
frequency selection mode” to avoid portions of the band or select a fixed operating frequency.
note: Ethernet traffic does not get transported while the radios are in this mode.