IEC 62297-2:2005

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions and abbreviations
  3.1 Terms and definitions
  3.2 Abbreviations
4 Teletext-based methods
  4.1 Page-format method
      4.1.1 Maximum length of a trigger message
      4.1.2 Data stream
      4.1.3 Transmission aspects
  4.2 Independent data line method
      4.2.1 Maximum length of a trigger message
      4.2.2 Data stream
      4.2.3 Packet structure
5 MPEG-2 transmission-based method
Annex A (informative) Code of practice
  A.1 Page-format teletext transmissions
  A.2 Independent data line teletext transmissions

IEC 62297-2:2005 specifies how trigger messages are broadcast using teletext technology. Both Page Format-Clear and Independent Data Line methods are defined, using protocols defined in ETSI EN 300 708. This bilingual version (2013-07) corresponds to the monolingual English version, published in 2005-05.