User`s manual

TN-5516/5518 Series Featured Functions
3-26
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 (IEEE802.1w/1D) This selects the RSTP protocol.
Turbo Chain This selects the Turbo Chain protocol.
None This disables ring redundancy.
None
Set as Master
Setting Description Factory Default
Enabled The TN-5500 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 TN-5500 will be used as the
first redundant port.
None
2nd Port This specifies which port on the TN-5500 will be used as the
second redundant port.
None
Enable Ring Coupling
Setting Description Factory Default
Enable This specifies that this TN-5500 will be a ring coupler.
Disable This specifies that this TN-5500 is not a ring coupler.
Not checked
Coupling Port
Setting Description Factory Default
Coupling Port This specifies which port on the TN-5500 will be used as the
coupling port.
None
Coupling Control Port
Setting Description Factory Default
Coupling Control Port This specifies which port on the TN-5500 will be used as the
coupling control port.
None