User's Manual

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TS4000 Radio Modem User’s Manual AirNet Packet Protocol 49
A three repeater system is similar to a two repeater topology but with an additional
repeater extending range to outlying remotes.
For the specific configurations defined in this example, the following must be true:
1) All the remotes must hear at least one repeater site.
2) Repeater B and Repeater C cannot hear each other.
Remote
Polling Host
Base
Remote
Repeater B
Remote
Remote
Repeater A
Remote
Remote
Repeater C
Configuration Parameter Setting
All Units
Enable Packet Operation Checked
Medium Access Control (MAC) CSMA
Store and Forward Repeater Operation: Repeater Filtering Address
Default Transfer Network Broadcast
CSMA MAC Setup: Data Packets: Tx Index 1
CSMA MAC Setup: Relay Packets: Tx Index 1
Modem Address: Group 1
Base Site
Modem Address: Individual 1
CSMA MAC Setup: Data Pkts: Min Idle Slots 4
Repeater A Site
Modem Address: Individual 2
CSMA MAC Setup: Data Pkts: Min Idle Slots 3
CSMA MAC Setup: Relay Pkts: Min Idle Slots 0
Store and Forward Repeater Operation: All Packets Relay All
Three Repeater
System