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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.