Automatic Protection Switching (APS) is a feature for SONET equipment that is used to improve the availability and reliability of transport systems by switching to a standby facility when failures occur. The Mindspeed APS Controller complies with the GR-253-CORE standards identified for two varieties of linear switching (1+1 and1:n) as well as a ring switching topology known as SONET GR1400 Unidirectional Path Switched Rings (UPSR). This single package offers a portable solution to make implementation of Linear 1+1, 1:n and (UPSR) architectures simple and quick. The APS Controller can also be distributed to support card level protection.
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