© Microhard Systems Inc. Confidential 62
4.0 Point to Point Configuration
A) AT&F10 - Sets the factory defaults for a Point to Point Master.
B) AT&W - Writes the changes to NVRAM.
C) AT&V - Displays the configuration as seen above.
D) S105 - Every unit in a Point to Point Network must have a unique unit address. The Master is
automatically set to 1, and should not be changed.
E) S140 - The destination address is unit address of the final destination, which all data is to
be sent. The address entered would generally be the unit address of the Slave.
F) S101 - The operating mode defines the unit type and is set to 0, which is a Master.
G) S103 - Wireless Link Rate must be set to the same value of each unit in the system.
Higher link rates may result in higher throughput, but lower link rates usually
provide better sensitivity and overall robustness.
H) S133 - The network type must be set to 1 for Point to Point operation. The content displayed
by the AT&V command will vary with the network type.
I) S102 - The serial baud rate (and data format S110) must match that of the connected device.
J) S104 - Each unit in a Network must have the same Network Address. It is strongly
recommended to never use the default setting of 1234567890. To change the
Network Address, the ATS104=XXXXXXX command can be used.
K) S141 - This register informs the master if 1 or more repeaters are present in the system. This
applies only to the master radio.
Remember, anytime registers are changed the values must be written to NVRAM using the AT&W com-
mand. To switch from command mode to data mode (online mode), the ATA command can be issued.
AT&F10 Point to Point Master
A
B
C
G
D
E
F
Image 4-5: Factory Defaults AT&F10 - Point to Point Master
H
I
J
K
Compression (S225)
was introduced in
firmware v1.10. S225
must be set to 0 for
compatibility with older
versions.
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