STS-NcConcatenated Synchronous Transport Signal Level N
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Normally SONET equipment may not disassemble STS-nc SPEs into lower-rate SONET signals but must transport entire SPEs unchanged.
Provides a full set of Bandwidth Management features for DS3, STS-1 and STS-Nc payloads; -- Supports up to 4,096 DS3 or STS-1 electrical ports; -- Supports up to 320 OC-12 or 1,280 OC-3 optical ports; -- Supports port partitioning and broadcast for video applications: -- Provides extensive performance monitoring and test access to simplify operations and maintenance; -- Includes Fast Facility Protection for 50 msec restoration of failed facilities; and -- Provides Synchronous Digital Hierarchy (SDH) STM-1 and STM-4 port, payload, and gateway features.