TN-5516/5518 User’s Manual Featured Functions
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The Turbo Chain Concept
Moxa developed the proprietary Turbo Chain protocol to optimize communication redundancy and
achieve a fast network recovery time. Turbo Chain is an advanced software-technology that gives
network administrators the flexibility of being able to construct any type of redundant network
topology. With the “chain” concept, the user only needs to connect the Ethernet switches in a
chain and then simply link the two ends of the chain to an Ethernet network. An illustration is
shown below.
The Turbo Chain protocol designates one switch as the head switch, one switch as the tail switch,
and the other switches as the member switches of the network. Packets are initially blocked from
travelling through the backup path that is on the tail switch.
Turbo Chain can be used on industrial networks that require complex topologies as well as
communication redundancy. If you have a large industrial network and were originally planning to
use a multi-ring architecture, then you can use Turbo Chain to provide a fast media-recovery time.
Turbo Chain allows you to expand your network when needed without changing the configuration
of the existing network. Turbo Chain can also co-work with existing RSTP networks. The
following illustrations show Turbo Chain’s versatility with different network topologies.
Blocking Port
LAN Network
Member Member Member
Head
Tail
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