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IEEE 802.3bj: 100GBASE-CR4SpecificationsMinneapolis, MNMay 2012Chris DiMinicoMC Communications/LEONI Cables & Systems LLCcdiminico@ieee.org1802.3bj Cu specifications
Purpose Specifications for the 100GBASE-CR4 Cable Assembly Characteristics ICN 100GBASE-CR4 channel IL2802.3bj Cu specifications
Cable Assembly ICN – 5 m – 24 AWGCable Assembly 5 m - RX1- MDNEXT-MDFEXT -PSXT02468101214161826 GBd – crosstalk disturbers1200 mV P-PRise time (20%-80%) 9.6 ps4 NEXT, 3 FEXT200P1TX1.cti Sdd21 VMDFEXT1.160mVPSXT1.96mVMDNEXTMDFEXTPSXT802.3bj - IL Proposaltest fixtures included3 dB reference receiver bandwidth, set to 20 GHz.measurement data in cooperation with Mark Bugg– Molex802.3bj Cu specifications3
Cable Assembly ICN – 5 m – 24 AWGCable Assembly 5 m - RX2- MDNEXT-MDFEXT -PSXT02468101214160182026 GBd – crosstalk disturbers1200 mV P-PRise time (20%-80%) 9.6 ps4 NEXT, 3 FEXTP2TX2.cti Sdd21 FEXT1.59mVPSXT2.10mVMDFEXTPSXT802.3bj - IL Proposal-140Test fixtures included3 dB reference receiver bandwidth, set to 20 GHz.measurement data in cooperation with Mark Bugg– Molex802.3bj Cu specifications4
Cable Assembly ICN – 5 m – 24 AWGCable Assembly 5 m - RX3 - MDNEXT-MDFEXT -PSXT024681012141601826 GBd – crosstalk disturbers1200 mV P-PRise time (20%-80%) 9.6 ps4 NEXT, 3 FEXT20P2TX3.cti Sdd21 36mVPSXT2.14mVMDNEXTMDFEXTPSXT802.3bj - IL Proposal-140test fixtures included3 dB reference receiver bandwidth, set to 20 GHz.measurement data in cooperation with Mark Bugg– Molex802.3bj Cu specifications5
Cable Assembly ICN – 5 m – 24 AWGCable Assembly 5 m - RX4 - MDNEXT-MDFEXT -PSXT02468101214160182026 GBd – crosstalk disturbers1200 mV P-PRise time (20%-80%) 9.6 ps4 NEXT, 3 FEXTP2TX3.cti Sdd21 FEXT1.43mVPSXT2.32mVMDFEXTPSXT802.3bj - IL Proposal-140test fixtures included3 dB reference receiver bandwidth, set to 20 GHz.measurement data in cooperation with Mark Bugg– Molex802.3bj Cu specifications6
ICN - 100 Gbps Copper Cable Channels**Reference:100 Gbps Copper Cable Channels 14-Mar 12Mark Bugg x.html7802.3bj Cu specifications
Cable Assembly ICN – 5 m – 24 DFEXT1.43mVPSXT2.14mVPSXT2.32mVProposal: Maximum integrated crosstalk noisefor maximum cable assembly insertion loss of22.64 dB at 12.89 GHz.ReviseEquation85A-63.5to3.2mV8802.3bj Cu specifications
Cable Assembly ICN – 1 m – 30 AWGData SummaryP1 Rx1P1 Rx2P1 Rx3P1 Rx4IL at 12.89 GHz (dB)ICN (mV)IL at 12.89 GHz (dB)ICN (mV)IL at 12.89 GHz (dB)ICN (mV)IL at 12.89 GHz (dB)ICN (mV)8.976.278.695.428.696.489.135.63P2 Rx1P2 Rx2P2 Rx3P2 Rx4IL at 12.89 GHz (dB)ICN (mV)IL at 12.89 GHz (dB)ICN (mV)IL at 12.89 GHz (dB)ICN (mV)IL at 12.89 GHz (dB)ICN criptionUnitSymbol ratefb25.78125GBdNear-end disturber peak differential output amplitudeAnt600mVNear-end disturber peak differential output amplitudeAft600mVNear-end disturber 20% to 80% rise and fall timeTnt9.6psFar-end disturber 20% to 80% rise and fall timeTft9.6psMolex zQSFP – Measurement data provided by Michael Rost – Molex9802.3bj Cu specifications
802.3bj Cable Assembly ICN - Proposalintegarted crosstalk noise(mV,RMS)802.3bj Integrated crosstalk noise98802.3bj ICN Proposal765m-24AWG-ICN-MAXzQSFP-802.3bj-Cable B5m-24AWG-ICN-MAXzQSFP-802.3bj-Cable ion loss at 12.89 GHz (dB)8Replace equation (92-33) TBD with4 IL 10.4σx,ca (mV)12.1-0.393*IL 10.4 IL 22.64802.3bj Cu specifications10
Channel Insertion loss Derived from cable assembly, Tx and Rx PCBand test fixtures losses 11802.3bj Cu specifications
Host Tx and Rx PCB losses Transmitter and receiver differential printed circuitboard trace 702Proposal for DefiningMaterial Loss26-Jan 12ElizabethKochuparambilJoel 12/kochuparambil 01a 0112.pdf12802.3bj Cu specifications
Channel insertion loss – 35 dB – 5 m cable assemblyIllustration of channel insertion loss budget at 12.89 GHz22.64 dB1.25 dB6.81 dB4.7dBdB6.81Host TF loss1.510-(6.81 1.5) 1.69 dB1.69-1.07 0.62 host connectorloss margin overTF connector10 dB1.251.53.82-(1.25 1.5) 1.07 dB1.07 assumed connector lossTest Fixtureinsertion loss10 dB22.64 dB (2 x 10) - (2 x 3.82) 35 dB3.82 dBCable3.4 dB/m17 dBPaddle card0.5 dB1 dBConnector1.07 dB2.14 dBCA-TF loss1.25 dB2.5 dBCable assembly802.3bj Cu specifications22.64 dB13Slide 7-diminico 01a 0312
Tx and Rx PCB insertion lossReplace equation (92A-1) TBD with ILpcb(f) ILpcbmax(f) 0.0694 0.4284*SQRT(f) 0.9322*f 13.62 @ 12.89 GHzChange editors note: ILpcbmax(f) @ 12.890 GHz 6.81 dB.one half of the maximum insertion loss 0.5(ILpcbmax(f)) @ 12.890 GHz 6.81 dB.802.3bj Cu specifications14
Tx and Rx PCB insertion lossTx-RX PCB ILGHz05101520012Atotal (dB/in) generated from model3dB456789Tx-Rx PCB IL (dB/in)-regression to model4xTx-Rx PCB IL(dB/4")4xTx-Rx PCB IL(dB/4") Via1011Replace equation (92A-1) TBD with ILpcb(f) ILpcbmax(f) 0.0694 0.4284*SQRT(f) 0.9322*f 13.62 @ 12.89 GHzChange editors note: ILpcbmax(f) @ 12.890 GHz 6.81 dB.one half of the maximum insertion loss 0.5(ILpcbmax(f)) @ 12.890 GHz 6.81 dB.15802.3bj Cu specifications
Motions:Motion #xxMove to adopt the cable assembly total integrated crosstalk RMS noisevoltage equation described on slide 10 of diminico 01a 0512.pdf. Moved by: Chris Di Minico Seconded by: Technical 75%Yes: No: Abstain:Motion #xxMove to adopt transmitter and receiver differential printed circuit boardtrace loss equation described on slide 15 diminico 01a 0512.pdf. Moved by: Chris Di Minico Seconded by: Technical 75%Yes: No: Abstain:16802.3bj Cu specifications
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Test Fixture X3TX3 ICNTX1ICNICNRX1RX3TX4TX2RX2TX1MCBRX1HCBRX2TX1 2ICN18802.3bj Cu specifications
MCB side – Integrated Crosstalk -Rx2-90MCB-PSXT-Rx3-100MCB-PSXT-Rx4GHzMolex zQSFP – S4P measurement data provided by Michael Rost – Molex802.3bj Cu specifications19
HCB side – Integrated Crosstalk 2-80HCB-PSXT-Rx3-90HCB-PSXT-Rx4GHzMolex zQSFP – S4P measurement data provided by Michael Rost – Molex802.3bj Cu specifications20
MCB side – Integrated Crosstalk Noise26 GBd – crosstalk disturbers1200 mV P-PRise time (20%-80%) 9.6 ps4 NEXT, 3 FEXT14 GBd – crosstalk disturbers1200 mV P-PRise time (20%-80%) 24 ps4 NEXT, 3 FEXTmV, .80.50.30.026 GBd-HCB-MDNEXT26 GBd-HCB-MDFEXT26 GBd-HCB-PSXT14 GBd-HCB-MDNEXT14 GBd-HCB-MDFEXT14 GBd-HCB-PSXT0RX123RXTX414 GBd - 314referencereceiverBWGHz5dBGBd– integrationBW1010GHz26 GBd -326dBreferencereceiverBWGHzGBd– integrationBW2020GHzRXMolex zQSFP – S4P measurement data provided by Michael Rost – Molex802.3bj Cu specifications21
HCB side – Integrated Crosstalk Noise26 GBd – crosstalk disturber1200 mV P-PRise time (20%-80%) 9.6 ps4 NEXT, 3 FEXT14 GBd – crosstalk disturber1200 mV P-PRise time (20%-80%) 24 ps4 NEXT, 3 FEXTmV, .80.50.30.026 GBd-HCB-MDNEXT26 GBd-HCB-MDFEXT26 GBd-HCB-PSXT14 GBd-HCB-MDNEXT14 GBd-HCB-MDFEXT14 GBd-HCB-PSXT0RX123TX414 GBd - 53 dB reference receiver BW 10 GHz26 GBd -3 dB reference receiver BW 20 GHzRXMolex zQSFP – S4P measurement data provided by Michael Rost – Molex802.3bj Cu specifications22
MCB side – Integrated Crosstalk Noise28 GBd – crosstalk disturber1200 mV P-PRise time (20%-80%) 9.6 ps4 NEXT, 3 FEXTmV, .31.00.80.50.30.028 GBd-MCB-MDNEXT28 GBd-MCB-MDFEXT28 GBd-MCB-PSXT0RX123RXTX45RX receiver BW – 20 GHz3 dB reference28 GBd – integration BW 20 GHzMolex zQSFP – S4P measurement data provided by Michael Rost – Molex802.3bj Cu specifications23
HCB side – Integrated Crosstalk NoisemV, RMSzQSFP-MCB-Crosstalk28 GBd – crosstalk disturber1200 mV P-PRise time (20%-80%) 9.6 ps4 NEXT, 3 8 GBd-MCB-MDNEXT28 GBd-MCB-MDFEXT28 GBd-MCB-PSXT09123TXTX45928 GBd – integration BW 20 GHz3 dB reference receiver BW – 20 GHzMolex zQSFP – S4P measurement data provided by Michael Rost – Molex802.3bj Cu specifications24
5 802.3bj Cu specifications Cable Assembly ICN – 5 m – 24 AWG Cable Assembly 5 m - RX3 - MDNEXT-MDFEXT -P
