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Multiplexed Section-Switched Protection (MS-SP) ring is a port level protection supported on the STM-16 and STM-64 interfaces. MS-SP ring is a protection scheme in which the total capacity in a multiplex section is divided equally between working and protection traffic. Any section can have access to the protection channels when faced with the failure of a section or node in the ring.
NOTE: MS-SP ring feature is a licensed feature. If you do not see the MS-SP Ring option in Configuration menu, contact your sales coordinator.