1. Overview
2. Normative references
3. Definitions, special terms, and word usage
4. Abbreviations
5. Relationship to other standards
6. Standard profile for power system applications
Annex A (informative) - Timing requirements for
power system applications
Annex B (informative) - Compatibility with IEEE Std
C37.238-2011
Annex C (informative) - Time performance parameters
and their use for IEC 61850, IEEE C37.118, and
IRIG-B applications
Annex D (informative) - Use of IEEE C37.238 messages
for end devices (IRIG-B replacement)
Annex E (informative) - Mixed profile operation
Annex F (normative) - IEEE C37.238 PICS
Annex G (informative) - Bibliography