© Microhard Systems Inc. Confidential 89
Values (dBm)
-110 to –55dBm (max reading)
S118=1-65534 In most static (fixed) networks, where there are no Repeaters, the default value of 1 is
maintained: All Slaves synchronize to the Master (whose unit address is 1).
In networks where Repeaters are present, the value of a Remote’s S118 corresponds to the particular upstream
modem with which a particular Remote is intended to communicate, e.g. Slave UA (S105)=3 may have an S118=2,
where the modem with UA 2 is a Repeater between the Slave and the Master; the Repeater will have an S118=1.
Values
65535 full roaming
1-65534 specific (fixed) unit
address with which to associate
1
6.0 Register/Command Reference
Values (dBm)
S123 (MESH) Average RSSI
-110 to –55dBm (max reading)
This register displays (it is not a ’setting’) the average signal strength received
over the previous 8 hop intervals. The value in this register is also reflected in
status lines RSSI1, 2, and 3, which connect to the modem’s RSSI LEDs.
A Master modem’s RSSI
LEDs will not illuminate to
any degree until such time
as it has received valid
packets from a
‘downstream’ unit.
S123 (PP/PMP) RSSI from Master (dBm)
In repeaters and slaves this register displays the average signal strength
received over the previous 8 hop intervals from a Master/Repeater. The value
in this register is also reflected in status lines RSSI1, 2, and 3, which connect to
the modem’s RSSI LEDs.
Values (dBm)
S124 (PP/PMP) RSSI from Slave (dBm)
-110 to –55dBm (max reading)
On the master this register displays the average signal strength received over
the previous 8 hop intervals from a Slave/Repeater. The value in this register
is also reflected in status lines RSSI1, 2, and 3, which connect to the modem’s
RSSI LEDs.
S118 (PP/PMP) Roaming
This feature allows a Remote unit to synchronize with a specified ‘upstream’
unit (either Master or Repeater). The options are as follows:
S118=65535: A Remote will synchronize with an upstream unit which has
the same network address (S104). Should that upstream
unit fail, this Remote will attempt to synchronize with
another ’upstream’ unit within the same network. This ability
is particularly well-suited to mobile applications.
Values (1-255)
S126 (MESH) Attempt Before Re-route
9
Number of consecutive unacknowledged transmissions before starting route
discovery in Mesh. 1-255, default = 9. When a route is added to a routing table
it is important that the data in the table remain current and correct. The S126
register sets a maximum number of attempts to reach a route before the route
is removed from the routing table and route discovery is started. See section 3
for more information.
Values (selection)
S130 No Sync Data Intake
0 - Disabled (default)
1 - Enabled
When enabled allows a modem to receive and keep data from the local com
port while the modem is searching for synchronization. Does not apply to
master and primary coordinator. Should normally be disabled to prevent
accumulation of stale data inside a modem.
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