Table of Contents

Foreword<br>Introduction<br>1 Scope<br>2 Normative references<br>3 Definitions<br>4 Switching to back-up operation<br>5 Contact number assignment

Abstract

Describes the procedures for back-up operation applicable to data transmission on a leased line when implemented through a single interface, controlling both the leased and the back-up facilities, using ITU-T Recommendation V.24 interchange circuits in conjunction with either the 25-pole connector (ISO 2110) or the 26-pole connector (ISO/IEC 11569).

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Canadian Standards Association
ProductNote	Reconfirmed EN
Pages
ISBN