Manual

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AW900mSPI
User’s Manual
• Network Name: a 32-bit (entered as 4 hex digits) network key that must be
the same for all communicating radios.
• AES Private Key: a 128-bit (entered as 32 hex digits) value that is the private
encryptionkeyusedtosecurethetrafcsentbetweenradios.Allcommuni-
cating radios must have the same assigned key.
• Serial Port Settings: the familiar parameters associated with any UART con-
nection, baud rate, data bits, parity and stop bits.
• Bit Delay and Record Length: These are performance tuning parameters that
help to optimize the match between incoming data and packet transmission
in UART mode. For a complete discussion, go to avalanwireless.com/faqs.com
and look for AW900mSPI Performance Tuning.
9. WhenyouaresatisiedwiththeBootCongparameters,youmaysavethem
toaleofyourchoiceonyourPCbyclickingthe"Save"button.Then,click
"Send"tosendthebootletotheXC1220onthemodule.Youshouldseeames-
sage indicating successful upload in the status bar at the bottom of the utility's
window. The "Send" button will also cause the module to reboot. The status bar
willthenshow"TargetRebooted."Youcanverifythatthebootconguration
parameters were successfully loaded by clicking the "Get" button and seeing no
change from what was sent. The "Reboot Target" button can be used to reboot
withoutuploadingtheconguration.
10. At this point, you will want to activate the second Evaluation Board by repeat-
ing steps 1 through 9 with it. If both Evaluation Boards are connected to the
same PC, the COM port numbers assigned will be different. The higher num-
beredCOMportineachpairisalwaystheBootCongSerialPortandthelower
numbered port is used for data that is transmitted and received via RF.
11. Make sure that you can update the Boot Conguration parameters for both
EvaluationBoardsandthatthecongurationsarecompatible(oneAP,oneSU,
matching channels, keys and serial port settings.
12. Whenbothradiosareconguredproperly,theirLEDswillindicatethatthey
are successfully communicating: Their channel LEDs will show the same binary
channel number and the quality LEDs will indicate RF signal strength. If a radio
is continuously scanning through the RF channels and just one red quality light
is lit, the units have not successfully negotiated an RF connection and a mis-
matchedcongurationislikelytobethecause.
13. By clicking the "Stats & Spectrum" tab at the top of the utility's window, you
will see a window that allows you to examine the AW900mSPI's reported status
information and to perform a spectrum scan of the 900 MHz frequency band to
look for interference sources: