PT-7728 User’s Manual Featured Functions
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The Turbo Chain Concept
Moxa’s Turbo Chain is an advanced software technology that gives network administrators the
flexibility to construct any type of redundant network topology. When using a Turbo Chain, you
first connect the Ethernet switches in a chain and then simply link the two ends of the chain to an
Ethernet network, as illustrated in the following figure.
Turbo Chain can be used on industrial networks that have a complex topology. If the industrial
network uses a multi-ring architecture, Turbo Chain can be used to create flexible and scalable
topologies with a fast media recovery time.
Setting up Turbo Chain
: Blocked Port
LAN Network
Member Member Member
Head Port
Tail Port
Member Port
Member Port
Tail
Head
1. Select the Head Switch, Tail Switch, and Member Switches.
2. Configure one port as the Head port and one port as the Member port in the Head switch,
configure one port as the Tail port and one port as the Member port in the Tail switch, and
configure two ports as Member ports in each of the Member switches.
3. Connect the Head switch, Tail switch, and Member switches as shown in the diagram.
The path connected to the Head port is the main path, and the path connected to the Tail port is the
backup path of the Turbo Chain. Normally, packets are transmitted through the Head Port to the
LAN Network. If any Turbo Chain path is disconnected, the Tail Port will be activated to continue
packet transmissions.
Configuring “Turbo Chain”
Head Switch Configuration
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