Signal Integrity Product Specification

Transcription

1 PD Signal Integrity Product Specification 3M SFP+ Passive Direct Attach Copper Cable Assembly 3 Electronic Solutions Division

2 Page: 1 of 9 Table of Contents 1.0 Scope Product Tested General Conditions Test Specimens Standard Test Conditions Test Results Summary Testing General Signal Integrity... 6 Voltage Modulation Amplitude(VMA) Loss SFF 8431 Rev VMA Loss to Crosstalk (VCR) Ratio - SFF 8431 Rev Differential Output and Input Reflection Coefficient (SDD 11 and SDD 22 ) SFF 8431 Rev Common Mode Output and Input Reflection Coefficient (SCC 11 and SCC 22 ) SFF 8431 Rev Difference Wavelength Distortion Penalty (dwdp) SFF 8431 Rev

3 Page: 2 of Scope This data sheet summarizes test methods, test conditions and product performance for the 3M SFP+ Passive Direct Attach Copper 2.0 Product Tested Product: Product Number: Related Specification Sheet: SFP+ Passive Direct Attach Copper Cable Assembly Following series: 1410-P 1X-00-X.XX TBD 3.0 General Conditions 3.1 Test Specimens The test specimens shall be strictly in compliance with the design, construction details and physical properties detailed in the relevant technical specification sheet (See Section 2). 3.2 Standard Test Conditions The test shall be done under the following conditions: Temperature: 15 C to 35 C Relative Humidity: 45% to 75% Atmospheric pressure: 650 to 800 mmhg

4 Page: 3 of Test Results Summary Signal Integrity (Passive Cable) Items Specification per SFF-8431 Rev4.1 Results Voltage Modulation <= 4.4 db SFF 8431 Rev4.1 Pass Amplitude (VMA) Loss VMA Loss to Crosstalk Ratio > 32.5 db SFF 8431 Rev4.1 Pass (VCR) Differential Output and Input 0.01 to 4.1 GHz see 1 SFF 8431 Rev4.1 Pass Reflection Coefficient 4.1 to 11.1 GHz see 2 (SDD XX ) Common Mode Output and Input Reflection Coefficient (SCC XX ) 0.01 to 2.5 GHz see to 11.1 GHz < -3 db SFF 8431 Rev4.1 Pass Difference Wavelength Dispersin Penalty <= 6.75 db SFF 8431 Rev4.1 Pass 1. Reflection Coefficient given by equation SDDxx(dB)= SQRT(f), with f in GHz. 2. Reflection Coefficient given by equation SDDxx(dB)= log10(f/5.5), with f in GHz. 3. Reflection coefficient given by equation SCCxx(dB) < f, with f in GHz.

5 Page: 4 of Testing Test methods are based upon SFF 8431 Rev General Visual (Appearance) EIA A The purpose of this test is to visually examine and dimensionally inspect the connector in order to determine whether the cable assembly conforms to the applicable specification and detail documents not covered by performance requirements. The examination shall be made in accordance with EIA A. The visual examination shall include inspection of the following features as a minimum: workmanship, marking, materials, finish, standards, design and construction. The dimensional inspection shall be a check for compliance with the outline drawings of the detail specification. 5.2 Signal Integrity Voltage Modulation Amplitude (VMA ) Loss SFF 8431 Rev 4.1 The purpose of this test is to determine the difference between the nominal one and zero level of an electrical signal in a Passive SFP+ cable assembly. Voltage Modulation Amplitude (VMA) Loss is defined with square wave pattern as defined in IEEE standard VMA Loss of the Passive SFP+ cable assembly has been tested in accordance with standard SFF 8431 Rev4.1. Cable Wire Gauge (AWG) Cable Length Specification (db) Results 30 3m and 5m < 4.4 Pass VMA Loss to Crosstalk (VCR) Ratio SFF 8431 Rev 4.1 The purpose of this test is to determine the the VCR measurement is determined by computing VMA and NEXT RMS voltage measurements in a Passive SFP+ cable assembly. VMA Loss to Cross Talk ratio of the Passive SFP+ cable assembly has been tested in accordance with standard SFF 8431 Rev 4.1.

6 Page: 5 of 9 Cable Wire Gauge (AWG) Cable Length Specification (db) Results 30 3m and 5m > 32.5 Pass Differential Output and Input Reflection Co-efficient (SDD 11 and SDD 22 ) SFF 8431 Rev 4.1 The purpose of this test is to determine the The Input and Output Reflection Co-efficient SDD 11 and SDD 22 in a Passive SFP+ cable assembly. Differential Output and Input Reflection Co-efficient of the Passive SFP+ cable assembly has been tested in accordance with standard SFF 8431 Rev 4.1. Differential Input Return Loss (SDD11) SDD11 (DB) Frequency (GHz) Limit Line TwinAx_30AWG_3M _S1_IC TwinAx_30AWG_3M _S1_OC TwinAx_30AWG_3M _S2_IC TwinAx_30AWG_3M _S2_OC TwinAx_30AWG_3M _S3_IC TwinAx_30AWG_3M _S3_OC TwinAx_30AWG_5M _S4_IC TwinAx_30AWG_5M _S4_OC TwinAx_30AWG_5M _S5_IC TwinAx_30AWG_5M _S5_OC TwinAx_30AWG_5M _S6_IC TwinAx_30AWG_5M _S6_OC

7 Page: 6 of 9 Differential Ouput Reflection Loss (SDD22) SDD22 (db) Frequency (SDD22) Limit Line TwinAx_30AWG_3M _S1_IC TwinAx_30AWG_3M _S1_OC TwinAx_30AWG_3M _S2_IC TwinAx_30AWG_3M _S2_OC TwinAx_30AWG_3M _S3_IC TwinAx_30AWG_3M _S3_OC TwinAx_30AWG_5M _S4_IC TwinAx_30AWG_5M _S4_OC TwinAx_30AWG_5M _S5_IC TwinAx_30AWG_5M _S5_OC TwinAx_30AWG_5M _S6_IC TwinAx_30AWG_5M _S6_OC Common Mode Output and Input Reflection Co-efficient (SCC 11 and SCC 22 ) SFF 8431 Rev 4.1 The purpose of this test is to determine the The Common Mode Reflection Co-efficient SCC 11 and SCC 22 in a Passive SFP+ cable assembly. Common Mode Reflection Co-efficient of the Passive SFP+ cable assembly has been tested in accordance with standard SFF 8431 Rev Common Mode Input Reflection (SCC11) 0 2E+09 4E+09 6E+09 8E+09 1E E+10 SCC11 (db) Freq (GHz) Limit Line TwinAx_30AWG_3M_S1_IC TwinAx_30AWG_3M_S1_OC TwinAx_30AWG_3M_S2_IC TwinAx_30AWG_3M_S2_OC TwinAx_30AWG_3M_S3_IC TwinAx_30AWG_3M_S3_OC TwinAx_30AWG_5M_S4_IC TwinAx_30AWG_5M_S4_OC TwinAx_30AWG_5M_S5_IC TwinAx_30AWG_5M_S5_OC TwinAx_30AWG_5M_S6_IC TwinAx_30AWG_5M_S6_OC

8 Page: 7 of 9 Common Mode Output Reflection (SCC22) SCC22 (db) Freq (GHz) Limit Line TwinAx_30AWG_3M_S1_IC TwinAx_30AWG_3M_S1_OC TwinAx_30AWG_3M_S2_IC TwinAx_30AWG_3M_S2_OC TwinAx_30AWG_3M_S3_IC TwinAx_30AWG_3M_S3_OC TwinAx_30AWG_5M_S4_IC TwinAx_30AWG_5M_S4_OC TwinAx_30AWG_5M _S5_IC TwinAx_30AWG_5M _S5_OC TwinAx_30AWG_5M_S6_IC Difference Wavelength Distortion Penalty (dwdp) SFF 8431 Rev 4.1 The purpose of this test is to determine a measure of waveform filtering and other distortion associated with the linear optical receiver. Difference Wavelength Distortion Penalty (dwdp) of the Passive SFP+ cable assembly has been tested in accordance with standard SFF 8431 Rev 4.1. Cable Wire Gauge (AWG) Cable Length Specification (dbe) Results 30 3m and 5m < 6.75 Pass

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