GR 1400 CORE : ISSUE 3
Current
The latest, up-to-date edition.
SONET DUAL-FED UNIDIRECTIONAL PATH SWITCHED RING (UPSR) EQUIPMENT GENERIC CRITERIA
12-01-2013
Presents the Telcordia view of generic criteria for Network Elements that are specified to be capable of being deployed as nodes in Unidirectional Path-Switched Rings (i.e., UPSR NEs). UPSR NEs utilize one of the Automatic Protection Switching (APS) schemes that have been defined to improve the survivability of transport systems by allowing them to switch to standby equipment or facilities to process or carry network traffic when degradations affecting the active equipment or facilities occur.
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