IBM System z Connectivity Handbook

A draft IBM Redbooks publication


This IBM Redbooks® publication describes the connectivity options that are available to use within and beyond the data center for the following IBM System z® mainframes:

  • zEnterprise® EC12 (zEC12)

  • zEnterprise BC12 (zBC12)

  • zEnterprise 196 (z196)

  • zEnterprise 114 (z114)

  • System z10® Enterprise Class (z10 EC)

  • System z10 Business Class (z10 BC)
  • 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.

    The changes to this edition are based on the System z hardware announcement dated July 23, 2013.

    This book is intended for data center planners, IT professionals, systems engineers, technical sales staff, and network planners who are involved in the planning connectivity for System z servers.

Table of contents

Chapter 1. Introducing connectivity
Chapter 2. Channel subsystem overview
Chapter 3. Parallel channel
Chapter 4. Enterprise Systems Connection
Chapter 5. Fibre Connection
Chapter 6. Channel-to-channel
Chapter 7. Open Systems Adapter-Express
Chapter 8. OSA-Express Console support
Chapter 9. RoCE
Chapter 10. zEDC Express
Chapter 11. HiperSockets
Chapter 12. Coupling links and common time
Chapter 13. Extended distance solutions
Appendix A. CHPID assignment and CHPID mapping tool
Appendix B. Fiber optic cables
Appendix C. Fiber cabling services
Appendix D. Cryptographic features
Appendix E. Flash Express
Appendix F. Channel feature attributes


These pages are Web versions of IBM Redbooks- and Redpapers-in-progress. They are published here for those who need the information now and may contain spelling, layout and grammatical errors.

This material has not been submitted to any formal IBM test and is published AS IS. It has not been the subject of rigorous review. Your feedback is welcomed to improve the usefulness of the material to others.

IBM assumes no responsibility for its accuracy or completeness. The use of this information or the implementation of any of these techniques is a customer responsibility and depends upon the customer's ability to evaluate and integrate them into the customer's operational environment.


Last Update
30 January 2014

Planned Publish Date
20 February 2014

(based on 2 reviews)


IBM Form Number

Number of pages