Tripp Lite NGI-M08C4POE8-2 Owner's Manual page 233

MAC(Last byte)
Role Configures the role for the ring.
Primary Port Configures the primary port for the ring.
Secondary Port Configure the secondary port for the ring.
Click Apply to take effect the settings.
Apply
Click Refresh to begin configuring this screen afresh.
Refresh
Xpress Ring Status
State The current state of the ring.
Destination MAC The destination MAC for the ring.
Role The current role of the ring.
Primary Port The current primary port and its status.
Secondary Port The current secondary port and its status.
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