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PT-7728 User’s Manual Featured Functions
3-23
"Current Status" Items
Now Active
This shows which communication protocol is in use: Turbo Ring, Turbo Ring V2, RSTP, or
none.
Master/Slave
This indicates whether or not the PT-7728 is the master of the Turbo Ring. This field appears only
for Turbo Ring or Turbo Ring V2.
NOTE
The user does not need to assign the master to use Turbo Ring or Turbo Ring V2. If no master is
assigned, the Turbo Ring protocol will automatically assign master status to one of the PT series
Ethernet switches in the ring. The master is only used to determine which segment serves as the
backup path.
Redundant Ports Status (1st Port, 2nd Port)
Ring Coupling Ports Status (Coupling Port, Coupling Control Port)
The Ports Status indicators show Forwarding for normal transmission, Blocking if the port is
part of a backup path that is currently blocked, and Link down if there is no connection.
"Settings" Items
Redundancy Protocol
Setting Description Factory Default
Turbo Ring
This selects the Turbo Ring
protocol.
Turbo Ring V2
This selects the Turbo Ring V2
protocol.
RSTP (IEEE
802.1W/1D)
This selects the RSTP protocol.
None This disables ring redundancy.
None
Set as Master
Setting Description Factory Default
Enabled
The PT-7728 is manually selected
as the master.
Disabled
The Turbo Ring or Turbo Ring V2
protocol will automatically select
the master.
Not checked
Redundant Ports
Setting Description Factory Default
1st Port
This specifies which port on the
PT-7728 will be used as the first
redundant port.
None
2nd Port
This specifies which port on the
PT-7728 will be used as the second
redundant port.
None