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Cisco - Control processor - EN - refurbished - plug-in module
The stratum 4 clock on the main common control (MCC-STR4) module supports synchronization and holdover requirements for the stratum level 4. Systems can also derive timing from an inbound transport span such as a T1, DSX1, or STSX-1. The MCC-STR4 module provides a 10BaseT Ethernet interface for system management (for systems without an AMM service module).
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