TN-5516/5518 User’s Manual Featured Functions
3-28
Determining the Redundant Path for Turbo Ring
In this case, the redundant segment (i.e., the segment that will be blocked during normal operation)
is determined by the number of TN series Ethernet switches in the ring and by the location of the
master switch.
Turbo Ring with even number of switches
Master
If the number of Ethernet switches in the
Turbo Ring is 2N (an even number), the
backup segment is one of the two segments
connected to the (N+1) st switch (i.e., the unit
directly opposite the master).
Turbo Ring with odd number switches
Segment N+1
Master
If the number of Ethernet switches in the
Turbo Ring is 2N+1 (an odd number), the
backup segment is the (N+1) st segment
counting counterclockwise.
For the example shown here, N=1, so that
N+1=2.
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