Revision BSR/TIA 4957.210-A-201x, Multi-Hop Delivery Specification of a Data Link Sub-Layer (revision and redesignation of ANSI/TIA 4957.210-2013) Revise to add new operational modes for Smart Grid, smart metering, and related applications. Single copy price: $116.00 Obtain an electronic copy from: standards@tiaonline.org Order from: standards@tiaonline.org Send comments (with copy to psa@ansi.org) to: Same

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