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What is ODI?

ODI is the abbreviation for Optical Data Interface, a new high-speed interface standard for advanced instrumentation and embedded systems. ODI breaks speed and distance barriers by relying on optical communication between devices, over a simple pluggable optical cable.

With speeds up to 80 GBytes/s, ODI is designed to address challenging applications in 5G communications, mil/aero systems, high-speed data acquisition, and communication research. Though managed by the AXIe Consortium, ODI is not specific to AXIe, and works equally well with any product format, whether AXIe, PXI, LXI, VPX, or a traditional bench instrument design. Standard ODI ports enable communication between instruments, processors, storage, and embedded devices.

ODI Specification Structure

 

ODI Press Release and Overview

 

AXIe Consortium and Multiple Companies Announce Optical Communication Standard for Instrumentation Systems

October 2, 2017

 

ODI Technical Backgrounder

May 1, 2018

 

ODI Technical Overview

April 20, 2018

 

New Optical Interface Standard Aims at 5G  

October 3, 2017.

   In this article, Larry Desjardin explains the new ODI standard.


Optical Interfaces to Address 5G Test

December 19, 2018

This article describes some of the latest ODI-enabled products from Keysight and Conduant.

ODI Specifications


Below are the most recent revisions of the ODI Specifications. The document labeled ERRATA will state any pending changes to the specifications that are planned for the next revision. Please address all comments to Larry Desjardin, Technical Committee Chairman, at larry@modularmethods.com.


ODI-1: Physical Layer Specification, Revision 3.1

December 15, 2020

ODI-2: Transport Layer Specification, Revision 3.1

December 15, 2020

ODI-2.1: High-Speed Data Formats Specification, Revision 3.0

January 3, 2019

ODI-A: Application Programming Interface for Test and Measurement Specification, Revision 2.1

December 15, 2020


ODI-A Examples

ODI-D: Documentation Templates, Revision 1.0

January 29, 2019


Interlaken Specification

Interlaken Protocol may be downloaded free of charge from the Interlaken Alliance website, above.


VITA 49 Specifications

VITA 49 standards may be download for a modest fee from the VITA  Online Store above
Once interoperability testing is complete, preliminary specifications will transition to final formal specifications.


ODI Component Vendors


The following vendors have announced products to enable ODI device and system design:

Intel Corporation
Intel Corporation offers FPGAs and Interlaken IP for ODI device and system design.
  Contact information may be found on the Interlaken contact page http://www.interlakenalliance.com/contact.htm

Xilinx, Inc.
  Xilinx offers FPGAs and Interlaken IP for ODI device and system design. Contact information  may be found on the Interlaken contact page http://www.interlakenalliance.com/contact.htm

Samtec, Inc.
  Samtec offers optical engines and optical cable assemblies for ODI device and system design. 
The Samtec FireFly™ is the first optical solution compliant to the new Optical Data Interface ODI-1 Physical Layer Specification.  FireFly™ supports 12 lane multi-mode optics at 12.5/14.1 Gbps. It also supports the Interlaken Protocol and offers Flow Control. The Samtec FireFly™ Micro Flyover System™ gives designers a choice of using either micro footprint high performance active optical engines or low-cost copper interconnects. This allows the designer to upgrade from electrical to optical FireFly™ using the same connector system. 
For more information on FireFly™, please visit www.samtec.com/firefly or contact firefly@samtec.com.

 

ODI Technical Contact

 

Any organization or vendor may develop and offer ODI-compatible devices without restriction. There are no license fees, and membership in the AXIe Consortium is not required.

Any organization or vendor may participate in the ODI Technical Committee by joining the AXIe Consortium.

For further information, contact AXIe Technical Committee Chairman, Larry Desjardin, Modular Methods.

 

ODI Products


-Keysight PXI M9411A VXT Vector Transceiver, with Custom FPGA and Optical I/O

-Keysight AXIe M8121A 12 GSa/s Arbitrary Waveform Generator

-Keysight AXIe M8132A FPGA Module

-Keysight AXIe M8131A 16/32 Gsa/s Digitizer

-Conduant PXI Cobra High Speed Recorder

-Guzik AXIe ADP7000 Series 10-bit Digitizers

-Guzik AXIe DP7000 Digital Processor

-Guzik PCIe Fiber Optics Bridge Card V2



ODI Older Specifications

 

ODI-1: Physical Layer Specification, Revision 3.0

January 3, 2019

ODI-1: Physical Layer Preliminary Specification, Revision 2.0

April 20, 2018

ODI-1: Physical Layer Preliminary Specification, Revision 1.0

October 2, 2017

 

ODI-2: Transport Layer Specification, Revision 3.0

January 3, 2019

ODI-2: Transport Layer Preliminary Specification, Revision 2.0

April 20, 2018

ODI-2: Transport Layer Preliminary Specification, Revision 1.0

October 2, 2017

 

ODI-2.1: High-Speed Data Formats Preliminary Specification, Revision 2.0

April 20, 2018

ODI-2.1: High-Speed Data Formats Preliminary Specification, Revision 1.0

October 2, 2017

 

ODI-A: Application Programming Interface for Test and Measurement Specification, Revision 2.0

January 2, 2019

ODI-A: Application Programming Interface for Test and Measurement, Revision 1.0

May 1, 2018

 

ODI Changes from Rev. 1 to Rev. 2, Revision 1.0

 

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