FOREWORD

This document is a proposed amendment to EIA-608 to include a unique 16-bit Transmission Signal Identifier in a new Extended Data Service (XDS) packet. It also serves as an EIA standard.

It is expected that section 1 of this document is read in conjunction with EIA-608 as if it was added to section 6.5.3 of the latest edition. Further, it is expected that section 2 of this document is read in conjunction with EIA-608 as if it was added to section 10.7.3 of the latest edition of EIA 608.