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IEEE C37.238a-2023

$30.33

IEEE Standard Profile for Use of IEEE 1588™ Precision Time Protocol in Power System Applications Amendment 1: Adding a Type-Length-Value (TLV) to Indicate the Latest International Earth Rotation Service (IERS)-Specified Universal Time Coordinated (UTC) Leap Second Event (Published)

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IEEE 2023
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Amendment Standard – Active. This amendment to IEEE Std. C37.238™-2017 specifies a LEAP_SECOND_EVENT TLV to enable grandmaster-capable clocks to distribute leap second event and validity information in advance.

PDF Catalog

PDF Pages PDF Title
1 Front cover
2 Title page
4 Important Notices and Disclaimers Concerning IEEE Standards Documents
8 Participants
9 Introduction
10 Contents
12 2. Normative references
6. Standard profile for power system applications
6.2 TLVs
13 6.4 Leap second event information
17 Annex B (informative) Compatibility
B.1 IEEE Std C37.238-2017 compatibility with IEEE Std C37.238-2011
B.2 IEEE Std C37.238-2017 compatibility with IEEE Std C37.238a-2023
19 Annex D (informative) Use of IEEE C37.238 messages for end devices (IRIG-B replacement)
D.2 Use of received IEEE C37.238 Announce messages to determine Coordinated Universal Time (UTC) time and local time
D.4 References for Bn
20 Annex F (normative) IEEE C37.238 PICS
F.1 Conventions
F.2 PICS
22 Annex G (informative) Bibliography
23 Annex H (informative) LEAP_SECOND_EVENT TLV usage scenarios
25 Back cover
IEEE C37.238a-2023
$30.33