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Forum Seeking your Feedback on Proposed Kit and Prizes for Single Pair Ethernet Challenge
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Forum Thread Details
  • Replies 33 replies
  • Subscribers 12 subscribers
  • Views 2133 views
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  • experimenting with single pair ethernet
  • member discussion
Related

Seeking your Feedback on Proposed Kit and Prizes for Single Pair Ethernet Challenge

rscasny
rscasny 10 months ago

Hi All.

In July I had a discussion with you regarding my plans to launch an Experimenting with Single Pair Ethernet Challenge.

Back then, I just began thinking about the challenge's kit and was interested in getting your input on what a kit could include. I took that feedback and began looking at the kit and the costs, etc.

In this follow up discussion, I am listing below a kit I would like you to take a look at. BEfore I get into the kit, let me talk about the challenge a bit more.

There are a couple important things to achieve in this challenge.

I don't believe we have had a sponsored activity on Single Pair Ethernet (SPE). So, one important thing is to begin exploring and learning about SPE in this challenge. Unfortunately, costs and/or budgets limit what I can offer in the kit, but I hope what we can afford to offer is worth your time to participate.

Since this challenge is primarily sponsored (paid for) by Molex, we would like you to use the Molex parts in whatever you do.

So here's the kit below.

Take a look and vote in the polls or leave a comment. Thanks.

ANALOG DEVICES EVAL-ADIN1110EBZ Evaluation Kit, ADIN1110CCPZ, Ethernet Physical Layer Device, Ethernet MAC-PHY, 10BASE-T1L

image

User Guide

ANALOG DEVICES EVAL-ADIN1100EBZ Evaluation Kit, ADIN1100CCPZ, Ethernet Physical Layer Device, 10BASE-T1

image

User Guide

RASPBERRY-PI RPI4-MODBP-4GB SBC, Raspberry Pi4 B 4GB, BCM2711, ARM Cortex-A72, 4GB RAM

image

Datasheet

ANALOG DEVICES EVAL-CN0575-RPIZ Evaluation Board, LTC9111IDE#TRPBF, Raspberry Pi Platform

image

User Guide

DIGILENT 410-221 Pmod TMP2: Temperature Sensor 

image

Datasheet

MOLEX 2209570104 Ethernet Cable, SPE Plug to SPE Plug, STP (Shielded Twisted Pair), Green, 1 m, 3.3 ft

and

MOLEX 2209570108 Ethernet Cable, SPE Plug to SPE Plug, STP (Shielded Twisted Pair), Green, 5 m, 16.4 ft

image

Datasheet (1m)

Datasheet (5m)

MOLEX 2209570001 Modular Connector, SPE Jack, 1 x 1 (Port), 2P2C, IP20, Through Hole Mount

image

Datasheet

MOLEX 2209570002 Modular Connector, SPE Jack, 1 x 1 (Port), 2P2C, IP20, Through Hole Mount

image

Datasheet

Should anything be added to this kit?

None of our challenges offer a totally comprehensive kit. Hence, no kit is perfect. But given the kit we are proposing, is there anything you feel should be added? If it is something that doesn't bust the budget, we would consider adding it to the kit.

Proposed Prizes

Grand Prize

MULTICOMP PRO MP720025 US Digital Oscilloscope, 4 Analog, 100 MHz, 1 GSPS, 40 Mpts, 3.5 ns

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Runner Up Prize

MULTICOMP PRO MP720011 US Digital Oscilloscope, 2 Analog, 100 MHz, 1 GSPS, 10 kpts, 3.5 ns

image

Finisher Prize

MULTICOMP PRO MP720782 US Oscilloscope, 2 Channel, 70 MHz, 250 MSPS, 6 kpts, 5 ns

image

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Top Replies

  • scottiebabe
    scottiebabe 10 months ago +3
    Very cool, great opportunity to experiment with SPE.
  • rscasny
    rscasny 10 months ago in reply to JWx +3
    Yes there are terminal blocks for cable connection. But I really need to have them connected by the connector/jacks, at least in one instance because the sponsor is wanting to see people use their connectors…
  • kmikemoo
    kmikemoo 10 months ago in reply to rscasny +2
    rscasny I've had no luck in finding a part number. The part in question is the one circled in the picture. I have seen diagrams that have it and diagrams that don't. It is often referenced in conjunction…
  • JWx
    JWx 10 months ago

    I wonder if SPoE power coupler (as presented here: https://wiki.analog.com/resources/eval/user-guides/circuits-from-the-lab/cn0575 ) could be added? It would allow for more autonomy for SPE connected remote module...

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  • JWx
    JWx 10 months ago

    and - wow! every finisher is going to get a handheld oscilloscope?

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  • kmikemoo
    kmikemoo 10 months ago in reply to JWx

    I second this recommendation.

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  • scottiebabe
    scottiebabe 10 months ago

    Very cool, great opportunity to experiment with SPE.

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  • rscasny
    rscasny 10 months ago in reply to JWx

    I didn't see the part number for the coupler. Could you point it out?

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  • kmikemoo
    kmikemoo 10 months ago in reply to rscasny

     rscasny I've had no luck in finding a part number.  The part in question is the one circled in the picture.

    image

    I have seen diagrams that have it and diagrams that don't.  It is often referenced in conjunction with the CN0575 and I believe it is the power supply for the CM0575/Pi combination.  Otherwise, the Pi would need a separate power supply - defeating the SPoE / PoDL feature.

    And... I could be wrong.  I've dug into this, both SPE and looking for this coupler, a few times and this is what I have concluded. <Insert shrug emoji here>

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  • kmikemoo
    kmikemoo 10 months ago

    I would like to see some male connectors added.  I get that there will be cables provided, but let's go crazy and (maybe) make our own, longer cables.  If I'm installing this in my plant, I want to know if I can use existing wiring - even if "less than compliant" in my application.

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  • JWx
    JWx 10 months ago in reply to kmikemoo

    I think that cable connectors are doubled as screwed terminal blocks in many cases, allowing for more permanent (but easier to prepare) connection - to be seen if in components in the kit...

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  • JWx
    JWx 10 months ago in reply to rscasny

    that's the problem kmikemoo  have mentioned - power coupler is often mentioned in the docs but without a part number (but sometimes with a schematics of the simplest version)...

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  • jc2048
    jc2048 10 months ago in reply to kmikemoo

    Do you think that it might be better to have the PoE PSE combined with the media converter, rather than patching the bits together? ADI offer this board, which appears to combine both functions:

    https://www.analog.com/en/resources/evaluation-hardware-and-software/evaluation-boards-kits/demo-adin1100d2z.html#eb-overview

    BTW this isn't a recommendation. I know so little about all this I had to look up the difference between T1L and T1S just now.

    --

    Edit: forget that. It doesn't help because it takes away the access to a processor for doing something stand-alone.

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