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[802SEC] IEEE P802.3da draft PAR and CSD response - 10Mb/s Single Pair Ethernet Multidrop Enhancements

Dear EC members,

In support of subclause 10.2 'IEEE 802 LMSC Approval' of the LMSC Operations Manual please find below the required information in respect to the IEEE P802.3da Standard for Ethernet Amendment: Physical Layer Specifications and Management Parameters for 10 Mb/s Operation over Single Balanced Pair Multidrop Enhancements PAR for consideration at the March 2020 plenary.

Best regards,

[1] Draft PAR and CSD responses:

Draft PAR: <>
Draft CSD: <>

[2] Explanatory technical background material:

Many applications in building, industrial, and transportation industries have begun the transition from legacy networks to Ethernet. A number of these applications require enhancements to 10Mb/s multidrop single balanced pair networks, e.g., larger multidrop topologies, power delivery, TSSI (Time Synchronization Service Interface). These enhancements will increase the applications addressed by this technology.

[3] Status of the development of the PAR:

The draft PAR and CSD responses are pending IEEE 802.3 Working Group approval at the March 2020 plenary.

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