IBM System z Connectivity Handbook

An IBM Redbooks publication

Note: A new draft version of this publication is now available


This IBM® Redbooks® publication discusses the connectivity options available for use within and beyond the data center for the IBM System z® family of mainframes, which includes these systems:

  • IBM zEnterprise® EC12 (zEC12)

  • IBM zEnterprise BC12 (zBC12)

  • IBM zEnterprise 196 (z196)

  • IBM zEnterprise 114 (z114)

  • IBM System z10® Enterprise Class (z10 EC)

  • IBM 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 of connectivity solutions for IBM System z servers.

Table of contents

Chapter 1. Connectivity options
Chapter 2. Channel subsystem overview
Chapter 3. Parallel channel
Chapter 4. Enterprise Systems Connection
Chapter 5. Fibre Connection
Chapter 6. Channel-to-channel connections
Chapter 7. IBM Open Systems Adapter-Express
Chapter 8. OSA-Express Console support
Chapter 9. RDMA over Converged Ethernet (RoCE) Express features
Chapter 10. IBM zEnterprise Data Compression (zEDC) Express
Chapter 11. IBM HiperSockets technology
Chapter 12. Coupling links and common time
Chapter 13. Extended distance solutions
Appendix A. CHPID assignment and the CHPID Mapping Tool
Appendix B. Fiber optic cables
Appendix C. Fiber cabling services
Appendix D. Cryptographic features
Appendix E. Flash Express feature
Appendix F. Channel feature attributes


Publish Date
20 June 2014

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