© Microhard Systems Inc. Confidential 75
5.0 Point to Multipoint Configuration
A) AT&F8 - Sets the factory defaults for a Point to Multipoint Slave.
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 Multipoint Network must have a unique unit address. The ad
dress of the slave (remote) is automatically set to 2. If adding more than 1 Slave, this
will need to be modified for each unit added.
E) S140 - The destination address is the final destination to which all data is to be sent. In a
Point to Multipoint Network this address is set to 1, the unit address of the Master,
and should not be changed.
F) S101 - The operating mode defines the unit type and is set to 2, which is a Slave (Remote).
G) S103 - Wireless Link Rate must be set to the same value of each unit in the system.
H) S133 - The network type must be set to 0 for Point to Multipoint operation.
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. To change the
Network Address, the ATS104=XXXXXXX command can be used.
K) S106 - Normally this register is set to the Hopping Pattern of the Master(S106), or if the unit
is to communicate through a repeater, set to match the Secondary Hop Pattern
(S206).
L) S118 - If the slave is to connect through a repeater, enter the unit address of the repeater
here. Or set to 65535 for roaming.
AT&F8 Point to Multipoint Slave
A
B
C
G
D
E
F
Image 5-6: Factory Defaults AT&F8 - Point to Multipoint Slave
H
I
J
L
K
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