1802.3bj Cu specifications

IEEE 802.3bj: 100GBASE-CR4Specifications

Minneapolis, MNMay 2012

Chris DiMinicoMC Communications/ LEONI Cables & Systems LLCcdiminico@ieee.org

2802.3bj Cu specifications

Purpose•Specifications for the 100GBASE-CR4

Cable Assembly CharacteristicsICN

100GBASE-CR4 channel IL

3802.3bj Cu specifications

Cable Assembly 5 m - RX1- MDNEXT-MDFEXT -PSXT

-160

-140

-120

-100

-80

-60

-40

-20

00 2 4 6 8 10 12 14 16 18 20

P1TX1.cti Sdd21 dB

RX1-P2TX2-FEXT

RX1-P2TX3-FEXT

RX1-P2TX4-FEXT

RX1-P1TX1-NEXT

RX1-P1TX2-NEXT

RX1-P1TX3-NEXT

RX1-P1TX4-NEXT

MDNEXT

MDFEXT

PSXT

802.3bj - IL Proposal

mV1.96PSXT

mV1.160MDFEXT

mV1.580MDNEXT

UnitICNRX1

Cable Assembly ICN – 5 m – 24 AWG

test fixtures included

26 GBd – crosstalk disturbers1200 mV P-PRise time (20%-80%) 9.6 ps4 NEXT, 3 FEXT

3 dB reference receiver bandwidth, set to 20 GHz.

measurement data in cooperation with Mark Bugg– Molex

4802.3bj Cu specifications

Cable Assembly ICN – 5 m – 24 AWG

Test fixtures included

Cable Assembly 5 m - RX2- MDNEXT-MDFEXT -PSXT

-140

-120

-100

-80

-60

-40

-20

00 2 4 6 8 10 12 14 16 18 20

P2TX2.cti Sdd21 dB

RX2-P2TX1-FEXT

RX2-P2TX3-FEXT

RX2-P2TX4-FEXT

RX2-P1TX1-NEXT

RX2-P1TX2-NEXT

RX2-P1TX3-NEXT

RX2-P1TX4-NEXT

MDNEXT

MDFEXT

PSXT

802.3bj - IL ProposalmV2.10PSXT

mV1.59MDFEXT

mV1.38MDNEXT

UnitICNRX2

26 GBd – crosstalk disturbers1200 mV P-PRise time (20%-80%) 9.6 ps4 NEXT, 3 FEXT

3 dB reference receiver bandwidth, set to 20 GHz.measurement data in cooperation with Mark Bugg– Molex

5802.3bj Cu specifications

Cable Assembly ICN – 5 m – 24 AWG

Cable Assembly 5 m - RX3 - MDNEXT-MDFEXT -PSXT

-140

-120

-100

-80

-60

-40

-20

00 2 4 6 8 10 12 14 16 18 20

P2TX3.cti Sdd21 dB

RX3-P2TX1-FEXT

RX3-P2TX2-FEXT

RX3-P2TX4-FEXT

RX3-P1TX1-NEXT

RX3-P1TX2-NEXT

RX3-P1TX3-NEXT

RX3-P1TX4-NEXT

MDNEXT

MDFEXT

PSXT

802.3bj - IL ProposalmV2.14PSXT

mV1.36MDFEXT

mV1.66MDNEXT

UnitICNRX3

test fixtures included

26 GBd – crosstalk disturbers1200 mV P-PRise time (20%-80%) 9.6 ps4 NEXT, 3 FEXT

3 dB reference receiver bandwidth, set to 20 GHz.measurement data in cooperation with Mark Bugg– Molex

6802.3bj Cu specifications

Cable Assembly ICN – 5 m – 24 AWG

test fixtures included

Cable Assembly 5 m - RX4 - MDNEXT-MDFEXT -PSXT

-140

-120

-100

-80

-60

-40

-20

00 2 4 6 8 10 12 14 16 18 20

P2TX3.cti Sdd21 dB

RX4-P2TX1-FEXT

RX4-P2TX2-FEXT

RX4-P2TX3-FEXT

RX4-P1TX1-NEXT

RX4-P1TX2-NEXT

RX4-P1TX3-NEXT

RX4-P1TX4-NEXT

MDNEXT

MDFEXT

PSXT

802.3bj - IL ProposalmV2.32PSXT

mV1.43MDFEXT

mV1.83MDNEXT

UnitICNRX4

26 GBd – crosstalk disturbers1200 mV P-PRise time (20%-80%) 9.6 ps4 NEXT, 3 FEXT

3 dB reference receiver bandwidth, set to 20 GHz.

measurement data in cooperation with Mark Bugg– Molex

7802.3bj Cu specifications

*Reference: 100 Gbps Copper Cable Channels 14-Mar 12 Mark Bugg Molex http://www.ieee802.org/3/bj/public/mar12/index.html

ICN - 100 Gbps Copper Cable Channels*

8802.3bj Cu specifications

Cable Assembly ICN – 5 m – 24 AWG

mV1.96PSXT

mV1.160MDFEXT

mV1.580MDNEXT

UnitICNRX1

mV2.10PSXT

mV1.59MDFEXT

mV1.38MDNEXT

UnitICNRX2

mV2.14PSXT

mV1.36MDFEXT

mV1.66MDNEXT

UnitICNRX3

mV2.32PSXT

mV1.43MDFEXT

mV1.83MDNEXT

UnitICNRX4

mV3.5 to 3.2

Revise Equation 85A-6

Proposal: Maximum integrated crosstalk noisefor maximum cable assembly insertion loss of 22.64 dB at 12.89 GHz.

9802.3bj Cu specifications

ps

ps

mV

mV

GBd

Unit

Tft

Tnt

Aft

Ant

fb

Symbol

25.78125Symbol rate

9.6

9.6

600

600

Value

Far-end disturber 20% to 80% rise and fall time

Near-end disturber 20% to 80% rise and fall time

Near-end disturber peak differential output amplitude

Near-end disturber peak differential output amplitude

Description

Cable Assembly ICN – 1 m – 30 AWG

5.278.906.768.735.228.605.818.78

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)IL at 12.89 GHz (dB)

P2 Rx4P2 Rx3P2 Rx2P2 Rx1

5.639.136.488.695.428.696.278.97

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)IL at 12.89 GHz (dB)

P1 Rx4P1 Rx3P1 Rx2P1 Rx1

Data Summary

Molex zQSFP – Measurement data provided by Michael Rost – Molex

10802.3bj Cu specifications

8 4 ≤ IL ≤ 10.4

σx,ca ≤ (mV)12.1-0.393*IL 10.4 < IL ≤ 22.64

802.3bj Cable Assembly ICN - Proposal802.3bj Integrated crosstalk noise

0123456789

0 5 10 15 20 25

Insertion loss at 12.89 GHz (dB)

inte

gart

ed c

ross

talk

noi

se(m

V,R

MS)

802.3bj ICN Proposal

5m-24AWG-ICN-MAX-zQSFP-802.3bj-Cable B5m-24AWG-ICN-MAX-zQSFP-802.3bj-Cable A1m-30AWG-ICN-MAX-zQSFP-802.3

Replace equation (92-33) TBD with

11802.3bj Cu specifications

Channel Insertion loss

• Derived from cable assembly, Tx and Rx PCB and test fixtures losses…

12802.3bj Cu specifications

Host Tx and Rx PCB losses

1.702141.592412.890.955770.89716.50.18561dB/inGHz

•Transmitter and receiver differential printed circuit board trace loss

CiscoElizabeth KochuparambilJoel Goergen

Proposal for Defining Material Loss26-Jan 12

http://www.ieee802.org/3/bj/public/jan12/kochuparambil_01a_0112.pdf

13802.3bj Cu specifications

Illustration of channel insertion loss budget at 12.89 GHz

Channel insertion loss – 35 dB – 5 m cable assembly

1.25 1.5

10 dB 10 dB

3.82 dB

6.81 dB 4.7 dB

2.14 dB1.07 dBConnector

22.64 dBCable assembly

2.5 dB1.25 dBCA-TF loss

1 dB0.5 dBPaddle card

17 dB3.4 dB/mCable

22.64 dB

3.82-(1.25+1.5) = 1.07 dB1.07 assumed connector loss

10-(6.81+1.5) = 1.69 dB1.69-1.07 = 0.62 host connector

loss margin overTF connector 22.64 dB + (2 x 10) - (2 x 3.82) = 35 dB

6.81 dB

1.25 dB

1.5Host TF loss

Slide 7-diminico_01a_0312

Test Fixtureinsertion loss

14802.3bj Cu specifications

Tx and Rx PCB insertion loss

Replace equation (92A-1) TBD with > ILpcb(f)≤ILpcbmax(f) =0.0694+0.4284*SQRT(f)+0.9322*f = 13.62 @ 12.89 GHz

Change 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

Tx-RX PCB IL

0

1

2

3

4

5

6

7

8

9

10

11

0 5 10 15 20

GHz

dB

Atotal (dB/in) -generated from model

Tx-Rx PCB IL (dB/in)-regression to model

4xTx-Rx PCB IL(dB/4")

4xTx-Rx PCB IL(dB/4")+Via

Replace equation (92A-1) TBD with > ILpcb(f)≤ILpcbmax(f) =0.0694+0.4284*SQRT(f)+0.9322*f = 13.62 @ 12.89 GHz

Tx and Rx PCB insertion loss

Change 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.

16802.3bj Cu specifications

Motion #xxMove to adopt the cable assembly total integrated crosstalk RMS noise voltage 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 board trace loss equation described on slide 15 diminico_01a_0512.pdf.

• Moved by: Chris Di Minico• Seconded by:• Technical >=75%Yes: No: Abstain:

Motions:

17802.3bj Cu specifications

BACKUP

18802.3bj Cu specifications

MCB HCB

Test Fixture Crosstalk

RX2RX4

TX1

TX3

RX2RX4

TX1

TX3

MCB HCB

RX1RX3

TX2

TX4

RX1RX3

TX2

TX4

Top

Bottom

RX2

RX4

TX3

TX1

RX1

RX3

TX4

TX2

RX2

RX4

TX3

TX1

RX1

RX3

TX4

TX2

Host

ICN

ICN

ICN

ICN

ICN

ICN

ICN

ICN

19802.3bj Cu specifications

MCB side – Integrated Crosstalk Noise

zQSFP-MCB-MDNEXT-MDFEXT-PSXT

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00 5 10 15 20

GHz

dB

MCB-MDNEXT-Rx1MCB-MDNEXT-Rx2MCB-MDNEXT-Rx3MCB-MDNEXT-Rx4MCB-MDFEXT-Rx1MCB-MDFEXT-Rx2MCB-MDFEXT-Rx3MCB-MDFEXT-Rx4MCB-PSXT-Rx1MCB-PSXT-Rx2MCB-PSXT-Rx3MCB-PSXT-Rx4

Molex zQSFP – S4P measurement data provided by Michael Rost – Molex

20802.3bj Cu specifications

HCB side – Integrated Crosstalk Noise

zQSFP-HCB-MDNEXT-MDFEXT-PSXT

-90

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-10

00 5 10 15 20

GHz

dB

HCB-MDNEXT-Tx1HCB-MDNEXT-Tx2HCB-MDNEXT-Tx3HCB-MDNEXT-Tx4HCB-MDFEXT-Rx1HCB-MDFEXT-Rx2HCB-MDFEXT-Rx3HCB-MDFEXT-Rx4HCB-PSXT-Rx1HCB-PSXT-Rx2HCB-PSXT-Rx3HCB-PSXT-Rx4

Molex zQSFP – S4P measurement data provided by Michael Rost – Molex

21802.3bj Cu specifications

zQSFP-MCB-Crosstalk

0.00.30.50.81.01.31.51.82.02.32.52.83.0

0 1 2 3 4 5

TX

mV,

RM

S

26 GBd-HCB-MDNEXT26 GBd-HCB-MDFEXT26 GBd-HCB-PSXT14 GBd-HCB-MDNEXT14 GBd-HCB-MDFEXT14 GBd-HCB-PSXT

MCB side – Integrated Crosstalk Noise

26 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 FEXT

RXRXRX 14 GBd – integration BW 10 GHz

26 GBd – integration BW 20 GHz

14 GBd - 3 dB reference receiver BW 10 GHz26 GBd -3 dB reference receiver BW 20 GHz

Molex zQSFP – S4P measurement data provided by Michael Rost – Molex

22802.3bj Cu specifications

zQSFP-HCB-Crosstalk

0.00.30.50.81.01.31.51.82.02.32.52.83.0

0 1 2 3 4 5

TX

mV,

RM

S

26 GBd-HCB-MDNEXT26 GBd-HCB-MDFEXT26 GBd-HCB-PSXT14 GBd-HCB-MDNEXT14 GBd-HCB-MDFEXT14 GBd-HCB-PSXT

HCB side – Integrated Crosstalk Noise

26 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 FEXT

RXRX 14 GBd - 3 dB reference receiver BW 10 GHz26 GBd -3 dB reference receiver BW 20 GHz

Molex zQSFP – S4P measurement data provided by Michael Rost – Molex

23802.3bj Cu specifications

zQSFP-MCB-Crosstalk

0.00.30.50.81.01.31.51.82.02.32.52.83.03.33.5

0 1 2 3 4 5

TX

mV,

RM

S 28 GBd-MCB-MDNEXT28 GBd-MCB-MDFEXT28 GBd-MCB-PSXT

MCB side – Integrated Crosstalk Noise

28 GBd – crosstalk disturber1200 mV P-PRise time (20%-80%) 9.6 ps4 NEXT, 3 FEXT

RXRXRX 28 GBd – integration BW 20 GHz3 dB reference receiver BW – 20 GHz

Molex zQSFP – S4P measurement data provided by Michael Rost – Molex

24802.3bj Cu specifications

HCB side – Integrated Crosstalk Noise

zQSFP-MCB-Crosstalk

0.00.30.50.81.01.31.51.82.02.32.52.83.03.33.5

0 1 2 3 4 5

TX

mV,

RM

S 28 GBd-MCB-MDNEXT28 GBd-MCB-MDFEXT28 GBd-MCB-PSXT

28 GBd – crosstalk disturber1200 mV P-PRise time (20%-80%) 9.6 ps4 NEXT, 3 FEXT

9 9TX 28 GBd – integration BW 20 GHz3 dB reference receiver BW – 20 GHz

Molex zQSFP – S4P measurement data provided by Michael Rost – Molex