ATIS 0900105.01.2000(S2015)
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Synchronous Optical Network (SONET) – Automatic Protection Switching
The purpose of this standard is to establish specification for the automatic protection switching of optical facilities using the optical interface standard specificed in ATIS-0900105. This standard defines the contents of the Automatic Protection Switching (APS) bytes within the SONET signal. Formerly known as T1.105.01-2000(R2005).
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