TS4000 Radio Modem User’s Manual AirNet Packet Protocol 49
A chain repeater topology is one where the messages are passed down a chain
of repeaters. This is typical for systems that operate along a road, river or
railroad track.
Chain Repeater
System
Remote
Polling Host
Base
Repeater B
Remote
Remote
Repeater A
Remote
Remote
Repeater C
Repeater D
Remote
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 5
Repeater A Site
Modem Address: Individual 2
CSMA MAC Setup: Data Pkts: Min Idle Slots 4
CSMA MAC Setup: Relay Pkts: Min Idle Slots 0
Store and Forward Repeater Operation: All Packets Relay All
Repeater B Site
Modem Address: Individual 3
CSMA MAC Setup: Data Pkts: Min Idle Slots 4
CSMA MAC Setup: Relay Pkts: Min Idle Slots 1
Store and Forward Repeater Operation: All Packets Relay All