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S-PARAMETERS TEST METHOD PROCEDURE

In order to calculate the cable parameters as defined in SFF-8431 table 37, following test procedure is required: •Measure S-parameters for MCB-HCB from point B” to B, see 3.1.1 •Measure the s4p for through S-parameters for cable end 1 to cable end 2, see 3.1.2...

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SFP+ ACTIVE CABLE HIGH-SPEED ELECTRICAL SPECIFICATION

This section defines the high-speed electrical specification for implementations with limiting or linear outputs. Active Cables designed to operate with limiting hosts are broadly defined as Type I, while Active Cables designed toSFP+ (Active Cable Specifications and Alternate Test Methods)   twinax cable sfp+

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Active Cabling Specifications

are not specified by this standard, it is expected that SFP+ Active Cables operate with either linear or limiting hosts as defined in section X.2. An example of active cable assembly with active transmitter is shown in Figure 1. The cable assembly shown has an...

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CHAPTER 2 ACTIVE CABLING SPECIFICATIONS

SFP+ (Active Cable Specifications and Alternate Test Methods) Page CHAPTER 2 ACTIVE CABLING SPECIFICATIONS 2.1 INTRODUCTION High speed cabling specifications are based on SFI signalling as defined in SFF-8431 supporting either a limiting or linear host. Active cable assemblies may be used to provide operation...

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ESD

The active and passive cable assemblies SFI contacts (High Speed Contacts) shall withstand 1000 V electrostatic discharge based on Human Body Model per JEDEC JESD22-A114-B. The active and passive cable assemblies contacts with exception of the SFI contacts (High Speed Contacts) shall withstand 2 kV...

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CHAPTER 1 SCOPE OF THIS SPECIFICATION

1.1 INTRODUCTION This specification defines cabling solutions compatible with SFP+ linear or limiting host for 10.3125 GBd operation based on “SFI”. For detailed SFI specifications and test methodology, see SFF-8431. This specifications also defines an alternative passive cable test method based on cable S-parameters. The...

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Industry Documents

The following interface standards are relevant to SFP+ Specifications. SFF-8431 – Specifications for Enhanced Small Form Factor Pluggable Module SFP+ SFF-8432 – Improved Pluggable Formfactor SFF-8083 – Improved 0.8mm Card Edge Connector SFF-8089 – SFP Rate and Application codes SFF-8079 – SFP Rate and Application...

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Foreword

The development work on this specification was done by the SFF Committee, an industry group. The membership of the committee since its formation in August 1990 has included a mix of companies which are leaders across the industry. When 2 1/2” diameter disk drives were...

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Document Sources

Those who join the SFF Committee as an Observer or Member receive electronic copies of the minutes and SFF specifications . Copies of ANSI standards may be purchased from the InterNational Committee for Information Technology Standards . Copies of SFF, T10 (SCSI), T11 (Fibre Channel)...

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