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IBM Z Connectivity Handbook

A draft IBM Redbooks publication

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Last updated on 11 April 2025

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IBM Form #: SG24-5444-23


Authors: Ewerson Palacio, Bill White and Octavian Lascu

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    Abstract

    This IBM Redbooks® publication describes the connectivity options that are available for use within and beyond the data center for the IBM Z® family of mainframes, which includes the following systems:

    • IBM z17™ ME1
    • IBM z16™ A01
    • IBM z16 A02
    • IBM z16 AGZ
    • IBM z15® T01
    • IBM z15 T02

    This book highlights the hardware and software components, functions, typical uses, coexistence, and relative merits of these connectivity features. It helps readers understand the connectivity alternatives that are available when planning and designing their data center infrastructures.

    Table of Contents

    Chapter 1. Introduction

    Chapter 2. Channel subsystem overview

    Chapter 3. Fibre Channel connectivity

    Chapter 4. IBM zHyperLink Express

    Chapter 5. IBM Open Systems Adapter Express

    Chapter 6. Console communications: IBM Open Systems Adapter-Express Integrated Console Controller

    Chapter 7. Shared Memory Communications

    Chapter 8. HiperSockets

    Chapter 9. Coupling links and common time

    Chapter 10. Extended distance solutions

    Appendix A. Cryptographic solutions

    Appendix B. Channel conversion options

    Appendix C. Channel feature attributes

    Appendix D. Fiber optic cables

     

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    Special Notices

    The material included in this document is in DRAFT form and is provided 'as is' without warranty of any kind. IBM is not responsible for the accuracy or completeness of the material, and may update the document at any time. The final, published document may not include any, or all, of the material included herein. Client assumes all risks associated with Client's use of this document.