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有線LANを通した話

 有線LANを通した話

CD管を使った有線LAN化。
不使用の電話線を使った、有線LAN化。

INOUE Takahiro

January 09, 2023
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  1. INOUE Takahiro (Twitter @takinou0)
    Ոͷதʹ༗ઢLANΛͻ͖·ͨ͠
    (͕Μ͹ͬͨ)
    Ұ෦ը૾ͷग़య

    ɾamazon.com

    ɾLAN޻ࣄυοτίϜ

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  2. ΤΫεΩϡʔζ
    • Ո԰ͷน಺ͷిؾઃඋ΍഑ઢΛ͍͡Δʹ͸ɺ

    ʮୈೋछɹిؾ޻ࣄ࢜ʯͷࢿ͕֨ඞཁͰ͢ɻ

    • น಺ͷి࿩഑ઢΛ͍͡Δʹ͸ɺ

    ʮిؾ௨৴޻ࣄ୲೚ऀʯͷࢿ͕֨ඞཁͰ͢ɻ

    • ຊൃද͸ɺௌߨऀࣗ਎ͰͷLAN޻ࣄΛקΊΔ΋ͷͰ͸͋Γ·ͤΜɻ

    ࢀߟʹ͢Δ৔߹΋ɺࣗݾ੹೚Ͱ͓ئ͍͍ͨ͠·͢ɻ

    ·ͨɺͳΜΒ͔ͷଛ֐΍ոզΛඃͬͨ৔߹ɺҪ্͸੹೚Λ࣋ͪ·ͤΜɻ

    • ίϯηϯτʹ৮Δࡍ͸ɺͦͷ෦԰ͷϒϨʔΧʔམͱ͢͜ͱɻ

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  3. ࠔ͍ͬͯͨ͜ͱ
    మےίϯΫϦʔτͷҰݢՈ͸Wi
    f
    ͕௨ΒͶ͑
    • ࣮Ո͸మےίϯΫϦͷҰݢՈ

    • ޫέʔϒϧ͸௨͍ͬͯΔ΋ͷͷɺ࡞ۀεϖʔεʹWIFI͕͏·͘௨Βͳ͍

    • ௨͍ͨ͠ͷ͸̎Օॴ

    • 1F ࿨ࣨ

    • 2F AVϧʔϜ ډؒ
    2F
    ډؒ
    1F
    ࿨ࣨ


    ʢۈ຿৔ॴʣ
    μΠχϯά
    ෼ి൘
    AV


    ϧʔϜ
    શ͘΋ͬͯ
    ಧ͔ͳ͍
    ಧ͕͘


    ෆ҆ఆ
    ແઢLAN਌ػ
    ແઢLAN਌ػ
    น น

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  4. ཁ݅
    • นʹ৽ͨͳ݀͸։͚ͨ͘ͳ͍

    • চ΍นʹέʔϒϧΛṜΘͤͨ͘ͳ͍

    • ճઢͷ҆ఆײ͕ཉ͍͠

    • γϯΫϥΠΞϯτͰͷ࢓ࣄ

    • ΦϯϥΠϯήʔϜ

    • ճઢ଎౓΋ཉ͍͠

    • ӳձ࿩

    • ಈըݟ͍ͨʢYoutube premium, Net
    fl
    ix, Apple tv+, DΞχϝετΞ, U-Next, ౦өಛࡱFCʣɹ

    ๻͸ҰମͲΕ͚ͩܖ໿ͯ͠ΔΜͩɾɾɾʁ

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  5. ·ͣ͸2F AVϧʔϜ͔Β
    • CD؅͕௨͍ͬͯͨͷͰ࿩͕ૣ͍ɻ


    • ࢖ͬͨ΋ͷ
    Ϗχʔϧඥ


    ೪ணςʔϓ ૟আػ LANέʔϒϧ

    ʢࠓճ͸࢓ํͳ͘ࡉ͍΋ͷΛ࢖༻ɻ

    ຊདྷ͸ଠ͍΋ͷΛ࢖͏ʣ
    LAN༻ϞδϡϥʔδϟοΫ


    ʢPanasonic ͙ͬͱ͢ʣ
    ډؒ
    2F
    AV


    ϧʔϜ
    શ͘΋ͬͯ
    ಧ͔ͳ͍
    ແઢLAN਌ػ

    • ←ίϯηϯτΛണ͕͢ͱ͜Μͳײ͡

    1Fͷ෼ి൘·ͰCD؅͕௨͍ͬͯΔ

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  6. ·ͣ͸ϏχʔϧඥΛ௨͢Α
    • ίϯηϯτΧόʔΛ֎ͯ͠ɺCD؅Λݟ͑ΔΑ͏ʹ͢Δ

    • ←ยํͷCD؅ʹϏχʔϧඥΛಥͬࠐΉ

    • ↓΋͏ยํͷCD؅ͱ૟আػΛີ෧ͤͯ͞ٵ͍ࠐΉͱɺ

    ɹϏχʔϧඥ͕Ҿ͖ग़ͤΔ
    ͜ͷ݀ʹϏχʔϧඥ
    ΛಥͬࠐΉ
    ͪ͜Β͔Β૟আػͰ
    ٵ͍ࠐΉ

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  7. LANέʔϒϧΛ௨͢Α
    • ←LANέʔϒϧͷยํͷ಄Λ੾அ




    • ←Ϗχʔϧඥʹ೪ணςʔϓͰݻఆɻ

    • CD؅ͷ൓ରଆ͔ΒϏχʔϧඥΛҾͬுΓɺ

    LANέʔϒϧΛҾ͖ग़͢

    (్தҾ͔͔ͬͬͯয͕ͬͨɺ

    γϦίϯεϓϨʔͷ͵Δ͵ΔͰղܾˠ)
    ςʔϓΛר͘ͱ͜Ζ
    ͜ͷลΛϋαϛͰ
    όοαϦ΍ͬͨ
    γϦίϯεϓϨʔ

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  8. ϞδϡϥδϟοΫͱܨ͙Α
    • ←ग़͖ͯͨέʔϒϧΛϞδϡϥδϟοΫͱ઀ଓ

    • ↓ίϯηϯτͱ઀ଓͯ͠ɺΧόʔΛͨ͠Β׬੒
    ׬੒ɹนࢴ͸ޙͰషͬͨ
    έʔϒϧΛԡ͠ࠐΉ͚ͩͰɺ݁ઢͰ͖Δ


    ʢجຊతʹ͸ɺBͷ৭Ͱ݁ઢʣ

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  9. OKʂɹಈըݟ์୊ʹͳͬͨ
    • 600Mbpsग़ΔΑ͏ʹͳͬͨɻ

    • 4KಈըΛݟΔͷ΋҆৺

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  10. ิ଍
    • ͪΌΜͱͨ͠ಓ۩Λ࢖͏ͳΒɺ

    ௨ઢϫΠϠʔ+γϦίϯεϓϨʔ͕͓͢͢Ί

    • ۂ͕Γ͘ͶͬͯΔ഑؅͸ɺͪ͜Βͷํָ͕

    ʢϓϩͷಓ۩ͩ͠Ͷʣ
    ௨ઢϫΠϠʔ
    γϦίϯεϓϨʔ

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  11. 1F ࿨ࣨͷݱঢ়
    • CD؅͸͋Δ͕ɺ௨ઢϫΠϠ͕௨Βͳ͍ɻ

    ʢ؅͕௵ΕͯΔʁʣ

    • ←ి࿩έʔϒϧɹ4ਊ͚ͩͳ͔ͥ࢒͍ͬͯΔ

    ʢྺ࢙తܦҢʹΑΓഇࢭɻ෼ి൘൫͔Β੾அࡁΈʣ

    ɹ͜ͷి࿩ઢΛ׆͔ͤͳ͍͔ݕ౼
    ϞδϡϥʔδϟοΫཪ


    ి࿩ઢʢ4ਊʣ͋Γ
    ډؒ
    1F
    ࿨ࣨ


    ʢۈ຿৔ॴʣ
    μΠχϯά
    ෼ి൘
    ಧ͕͘


    ෆ҆ఆ
    ແઢLAN਌ػ

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  12. 1F ࿨ࣨ΁΋഑ઢͨ͠
    • ←ݱࡏҰൠతͳLANέʔϒϧ͸4ର8ਊͷLANέʔϒϧ

    ࠷େ10Gbps·Ͱग़Δʢ1000BASE-TX)

    • ↓100BaseTXͳΒɺ࣮͸4ਊ͋Ε͹ߏஙͰ͖Δɻ

    ҰൠతͳLANέʔϒϧ

    ʢ4ର8ਊʣ
    ϞδϡϥʔδϟοΫʹ4ਊ઀ଓ

    (1,2,3,6)
    100Mbps·Ͱ͔͠ग़ͳ͍͕ɺ઀ଓ҆ఆ


    Jitter΋௒վળ

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  13. ࠷ޙʹ
    • ޻ࣄ͸ࣗݾ੹೚Ͱ͓ئ͍͍ͨ͠·͢

    • Ҏ্ɺԿ͔ͷ͝ࢀߟʹͳΕ͹޾͍Ͱ͢

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