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EDS-408A/405A Series User’s Manual Featured Functions
3-17
Initial Setup
1. Select any two ports as redundant ports.
2. Connect the redundant ports to form the
Turbo Ring
The user does not need to set the master to use Turbo Ring. Master is only needed to identify
which segment acts as the backup path. The actual topology of the redundant ring, i.e., which
segment will be blocked, is determined by the number of EDSs that make up the ring and where
the Ring Master is located.
When the number of EDS units in the Turbo Ring is even.
Master
If there are 2N EDS units (an even number) in
the Turbo Ring, then the backup segment is one
of the two segments connected to the (N+1)th
EDS (i.e., the EDS unit directly opposite the
Master).