DS DS/EN 50090-4-2
DS DSEN 50090-4-2 2004-APR-05 Home and Buldng Electronc Systems HBES - Part 4-2 Meda ndependent layers - Transport layer network layer and general parts of data lnk layer for HBES Class 1
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This part of the EN 50090 specifies the services and protocol in a physical layer independent way for the data link layer and for the network layer and the transport layer for usage in Home and Building Electronic Systems.