{"id":4690,"date":"2026-05-12T10:11:15","date_gmt":"2026-05-12T02:11:15","guid":{"rendered":"https:\/\/www.newsunn.com\/5-key-specifications-to-check-before-buying-100g-qsfp28-modules\/"},"modified":"2026-05-12T10:11:15","modified_gmt":"2026-05-12T02:11:15","slug":"5-key-specifications-to-check-before-buying-100g-qsfp28-modules","status":"publish","type":"post","link":"https:\/\/www.newsunn.com\/ja\/5-key-specifications-to-check-before-buying-100g-qsfp28-modules\/","title":{"rendered":"100G QSFP28 \u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u8cfc\u5165\u3059\u308b\u524d\u306b\u78ba\u8a8d\u3059\u3079\u304d 5 \u3064\u306e\u4e3b\u306a\u4ed5\u69d8"},"content":{"rendered":"

\u3053\u306e\u5c02\u9580\u30ac\u30a4\u30c9\u3067\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u8abf\u9054\u3092\u652f\u63f4\u3059\u308b\u305f\u3081\u306b\u3001100G QSFP28 \u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u8a73\u7d30\u306a\u5206\u6790\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u6b63\u3057\u3044\u3082\u306e\u3092\u9078\u629e\u3059\u308b\u00a0<\/span>100G QSFP28\u30e2\u30b8\u30e5\u30fc\u30eb<\/a>\u00a0<\/span>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u306e\u6700\u9ad8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u78ba\u4fdd\u3059\u308b\u306b\u306f\u3001\u4f1d\u9001\u8ddd\u96e2\u3001\u6d88\u8cbb\u96fb\u529b\u3001\u5149\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u306e\u4e92\u63db\u6027\u3092\u8a55\u4fa1\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

<\/p>\n

1. \u4f1d\u9001\u8ddd\u96e2\u3068\u30d5\u30a1\u30a4\u30d0\u7a2e\u985e\u306e\u4e92\u63db\u6027<\/h2>\n

100G QSFP28 \u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u4e3b\u306a\u4ed5\u69d8\u306f\u3001\u7279\u5b9a\u306e\u30d5\u30a1\u30a4\u30d0\u30fc \u30e1\u30c7\u30a3\u30a2\u4e0a\u306e\u5b9a\u683c\u4f1d\u9001\u8ddd\u96e2\u3067\u3059\u3002 100G \u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u306e\u5c0e\u5165\u3067\u306f\u3001\u901a\u5e38\u3001\u77ed\u8ddd\u96e2\u63a5\u7d9a\u306b\u306f\u30de\u30eb\u30c1\u30e2\u30fc\u30c9 \u30d5\u30a1\u30a4\u30d0 (MMF) \u304c\u4f7f\u7528\u3055\u308c\u3001\u9577\u8ddd\u96e2\u30b9\u30d1\u30f3\u306b\u306f\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9 \u30d5\u30a1\u30a4\u30d0 (SMF) \u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u5fc5\u8981\u306a\u8ddd\u96e2\u3092\u8d85\u3048\u308b\u3001\u307e\u305f\u306f\u4e0d\u8db3\u3059\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u9078\u629e\u3059\u308b\u3068\u3001\u4fe1\u53f7\u304c\u904e\u5ea6\u306b\u6e1b\u8870\u3057\u305f\u308a\u3001\u4e0d\u5fc5\u8981\u306a\u8a2d\u5099\u6295\u8cc7\u304c\u767a\u751f\u3057\u305f\u308a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

SR4 \u306a\u3069\u306e\u77ed\u8ddd\u96e2\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u901a\u5e38\u3001OM4 \u4e0a\u3067\u6700\u5927 100 \u30e1\u30fc\u30c8\u30eb\u3092\u30ab\u30d0\u30fc\u3057\u307e\u3059\u00a0<\/span>\u30d5\u30a1\u30a4\u30d0\u30fc\u30d1\u30c3\u30c1\u30b3\u30fc\u30c9<\/a>\u3002\u5bfe\u7167\u7684\u306b\u3001LR4 \u3084 ER4 \u306e\u3088\u3046\u306a\u9577\u8ddd\u96e2\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u6ce2\u9577\u5206\u5272\u591a\u91cd (WDM) \u3092\u5229\u7528\u3057\u3066 10 km \uff5e 40 km \u306b\u308f\u305f\u3063\u3066\u4fe1\u53f7\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u306b\u3088\u308b\u3068\u00a0<\/span>IEEE 802.3bm\u898f\u683c<\/a>100G \u3067\u306e\u30b7\u30b0\u30ca\u30eb \u30a4\u30f3\u30c6\u30b0\u30ea\u30c6\u30a3\u306f\u3001\u3053\u308c\u3089\u306e\u9577\u8ddd\u96e2\u306b\u308f\u305f\u308b\u6ce2\u9577\u5206\u6563\u306e\u5f71\u97ff\u3092\u975e\u5e38\u306b\u53d7\u3051\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n

100G \u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u4e3b\u306a\u8ddd\u96e2\u4ed5\u69d8:<\/strong><\/p>\n

    \n
  1. SR4(\u30b7\u30e7\u30fc\u30c8\u30ea\u30fc\u30c1):<\/strong>\u00a0<\/span>MPO\/MTP OM4 \u30d5\u30a1\u30a4\u30d0\u30fc\u7d4c\u7531\u3067\u6700\u5927 100m\u3002<\/li>\n
  2. PSM4 (\u30d1\u30e9\u30ec\u30eb \u30b7\u30f3\u30b0\u30eb \u30e2\u30fc\u30c9):<\/strong>\u00a0<\/span>\u30d1\u30e9\u30ec\u30ebSMF\u4f7f\u7528\u3067\u6700\u5927500m\u3002<\/li>\n
  3. CWDM4 (\u7c97\u3044 WDM):<\/strong>\u00a0<\/span>\u4e8c\u91cd SMF \u7d4c\u7531\u3067\u6700\u5927 2km\u3002<\/li>\n
  4. LR4\uff08\u30ed\u30f3\u30b0\u30ea\u30fc\u30c1\uff09:<\/strong>\u00a0<\/span>\u4e8c\u91cd SMF \u7d4c\u7531\u3067\u6700\u5927 10km\u3002<\/li>\n
  5. ER4 (\u62e1\u5f35\u30ea\u30fc\u30c1):<\/strong>\u00a0<\/span>\u5c02\u7528\u5897\u5e45\u5668\u3067\u6700\u592740km\u3002<\/li>\n<\/ol>\n

    2. \u5149\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3068\u30b3\u30cd\u30af\u30bf\u306e\u8981\u4ef6<\/h2>\n

    \u5149\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u306f\u3001100G QSFP28 \u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u306b\u5fc5\u8981\u306a\u7269\u7406\u30b1\u30fc\u30d6\u30eb\u914d\u7dda\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u307b\u3068\u3093\u3069\u306e 100G \u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001MPO-12 \u30b3\u30cd\u30af\u30bf\u307e\u305f\u306f\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9 LC \u30b3\u30cd\u30af\u30bf\u306e\u3044\u305a\u308c\u304b\u3092\u5229\u7528\u3057\u307e\u3059\u3002\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3068\u65e2\u5b58\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u9593\u306e\u305a\u308c\u00a0<\/span>MPO\/MTP\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/a>\u00a0<\/span>\u9ad8\u984d\u306a\u6539\u9020\u304c\u5fc5\u8981\u306b\u306a\u3063\u305f\u308a\u3001\u8ffd\u52a0\u306e\u5909\u63db\u30b1\u30fc\u30d6\u30eb\u304c\u5fc5\u8981\u306b\u306a\u3063\u305f\u308a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

    SR4 \u304a\u3088\u3073 PSM4 \u30e2\u30b8\u30e5\u30fc\u30eb\u306f MPO-12 \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u5229\u7528\u3057\u3001\u5229\u7528\u53ef\u80fd\u306a 12 \u672c\u306e\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u3046\u3061 8 \u672c (\u9001\u4fe1\u7528\u306b 4 \u672c\u3001\u53d7\u4fe1\u7528\u306b 4 \u672c) \u3092\u4ecb\u3057\u3066\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u3053\u306e\u4e26\u5217\u4f1d\u9001\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u3001\u9ad8\u5bc6\u5ea6\u74b0\u5883\u3067\u306f\u30b3\u30b9\u30c8\u52b9\u7387\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002\u9006\u306b\u3001LR4 \u306e\u3088\u3046\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u306f 4 \u3064\u306e\u6ce2\u9577\u3092 1 \u5bfe\u306e\u30d5\u30a1\u30a4\u30d0\u30fc\u306b\u591a\u91cd\u5316\u3057\u3001\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9 LC \u30b3\u30cd\u30af\u30bf\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5fc5\u8981\u306a\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u7dcf\u6570\u306f\u6e1b\u308a\u307e\u3059\u304c\u3001\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u306e\u5185\u90e8\u306e\u8907\u96d1\u3055\u306f\u5897\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n\n\n\n\n\n
    \u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u7a2e\u985e<\/strong><\/th>\n\u30b3\u30cd\u30af\u30bf\u30bf\u30a4\u30d7<\/strong><\/th>\n\u7e4a\u7dad\u6570<\/strong><\/th>\n\u4e3b\u306a\u7528\u9014<\/strong><\/th>\n<\/tr>\n<\/thead>\n
    QSFP28 SR4<\/strong><\/td>\nMPO-12(\u30aa\u30b9)<\/td>\n8\u672c\u306e\u7e4a\u7dad<\/td>\n\u30e9\u30c3\u30af\u5185\u63a5\u7d9a<\/td>\n<\/tr>\n
    QSFP28 PSM4<\/strong><\/td>\nMPO-12(\u30aa\u30b9)<\/td>\n8\u672c\u306e\u7e4a\u7dad<\/td>\n\u30df\u30c3\u30c9\u30ec\u30f3\u30b8\u306e\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u30ea\u30f3\u30af<\/td>\n<\/tr>\n
    QSFP28 CWDM4<\/strong><\/td>\n\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9LC<\/td>\n\u30d5\u30a1\u30a4\u30d0\u30fc2\u672c<\/td>\n\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba \u30ad\u30e3\u30f3\u30d1\u30b9 \u30d0\u30c3\u30af\u30dc\u30fc\u30f3<\/td>\n<\/tr>\n
    QSFP28 LR4<\/strong><\/td>\n\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9LC<\/td>\n\u30d5\u30a1\u30a4\u30d0\u30fc2\u672c<\/td>\n\u9577\u8ddd\u96e2\u30ad\u30e3\u30ea\u30a2\u30ea\u30f3\u30af<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    3. \u6d88\u8cbb\u96fb\u529b\u3068\u71b1\u7ba1\u7406<\/h2>\n

    \u96fb\u529b\u52b9\u7387\u306f\u3001\u71b1\u8ca0\u8377\u304c\u904b\u7528\u30b3\u30b9\u30c8\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u9ad8\u5bc6\u5ea6\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u306b\u3068\u3063\u3066\u91cd\u8981\u306a\u4ed5\u69d8\u3067\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u6a19\u6e96\u7684\u306a 100G QSFP28 \u30e2\u30b8\u30e5\u30fc\u30eb\u306f 3.5 W \uff5e 4.5 W \u3092\u6d88\u8cbb\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u9577\u8ddd\u96e2\u7528\u306b\u8a2d\u8a08\u3055\u308c\u305f\u9ad8\u6027\u80fd\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3053\u308c\u3089\u306e\u5024\u3092\u8d85\u3048\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u904e\u5270\u306a\u767a\u71b1\u306b\u3088\u308a\u30ec\u30fc\u30b6\u30fc \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u52a3\u5316\u3057\u3001\u5e73\u5747\u6545\u969c\u9593\u9694 (MTBF) \u304c\u77ed\u7e2e\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

    \u6700\u65b0\u306e\u30b0\u30ea\u30fc\u30f3 \u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u306e\u53d6\u308a\u7d44\u307f\u3067\u306f\u3001100G \u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u306e\u300c\u4f4e\u96fb\u529b\u300d\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u512a\u5148\u3055\u308c\u307e\u3059\u3002\u30e2\u30b8\u30e5\u30fc\u30eb\u3054\u3068\u306b\u6d88\u8cbb\u96fb\u529b\u3092 0.5 W \u524a\u6e1b\u3059\u308b\u3060\u3051\u3067\u3082\u3001\u6570\u5343\u306e\u30dd\u30fc\u30c8\u306b\u308f\u305f\u3063\u3066\u62e1\u5f35\u3057\u305f\u5834\u5408\u306b\u5927\u5e45\u306a\u30a8\u30cd\u30eb\u30ae\u30fc\u7bc0\u7d04\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u52b9\u7387\u7684\u306a\u71b1\u653e\u6563\u306f\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u7d71\u5408\u3055\u308c\u305f\u30d2\u30fc\u30c8\u30b7\u30f3\u30af\u3068\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u3088\u3063\u3066\u63d0\u4f9b\u3055\u308c\u308b\u7a7a\u6c17\u306e\u6d41\u308c\u306b\u3088\u3063\u3066\u7ba1\u7406\u3055\u308c\u307e\u3059\u3002\u00a0<\/span>\u30d5\u30a1\u30a4\u30d0\u30fc\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30b9\u30a4\u30c3\u30c1<\/a>.<\/p>\n

    4. \u6ce2\u9577\u3068\u5909\u8abf\u65b9\u5f0f<\/h2>\n

    \u7570\u306a\u308b\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2 \u30d9\u30f3\u30c0\u30fc\u9593\u306e\u76f8\u4e92\u904b\u7528\u6027\u3092\u78ba\u4fdd\u3059\u308b\u306b\u306f\u3001\u6ce2\u9577 (nm) \u3068\u5909\u8abf\u5f62\u5f0f\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u307b\u3068\u3093\u3069\u306e 100G QSFP28 \u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001850nm (MMF \u306e\u5834\u5408) \u307e\u305f\u306f 1310nm \u30a6\u30a3\u30f3\u30c9\u30a6 (SMF \u306e\u5834\u5408) \u3092\u5229\u7528\u3057\u307e\u3059\u3002 100G \u898f\u683c\u3067\u306f\u901a\u5e38\u3001NRZ (Non-Return-to-Zero) \u5909\u8abf\u304c\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u3088\u308a\u65b0\u3057\u3044 400G \u5bfe\u5fdc\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306b\u306f PAM4 (\u30d1\u30eb\u30b9\u632f\u5e45\u5909\u8abf) \u304c\u542b\u307e\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

    CWDM4 \u304a\u3088\u3073 LR4 \u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u5834\u5408\u3001\u30c7\u30d0\u30a4\u30b9\u306f 1310nm \u3092\u4e2d\u5fc3\u3068\u3059\u308b 4 \u3064\u306e\u7570\u306a\u308b\u6ce2\u9577\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6ce2\u9577\u306f\u3001\u5185\u90e8\u306e\u5149\u30de\u30eb\u30c1\u30d7\u30ec\u30af\u30b5\u3092\u4f7f\u7528\u3057\u3066\u7d50\u5408\u3055\u308c\u307e\u3059\u3002\u306b\u3088\u308b\u3068\u3001\u00a0<\/span>CWDM4 MSA (\u30de\u30eb\u30c1\u30bd\u30fc\u30b9\u5951\u7d04)<\/a>\u30c1\u30e3\u30cd\u30eb\u9593\u306e\u300c\u30af\u30ed\u30b9\u30c8\u30fc\u30af\u300d\u3092\u9632\u3050\u306b\u306f\u3001\u6b63\u78ba\u306a\u6ce2\u9577\u5b89\u5b9a\u6027\u304c\u5fc5\u8981\u3067\u3059\u3002\u305d\u3046\u3057\u306a\u3044\u3068\u30d3\u30c3\u30c8\u8aa4\u308a\u7387 (BER) \u304c\u5897\u52a0\u3057\u307e\u3059\u3002<\/p>\n

    5. DDM\/DOM \u6a5f\u80fd\u306e\u30b5\u30dd\u30fc\u30c8<\/h2>\n

    \u30c7\u30b8\u30bf\u30eb\u8a3a\u65ad\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0 (DDM) \u306f\u30c7\u30b8\u30bf\u30eb\u5149\u5b66\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0 (DOM) \u3068\u3082\u547c\u3070\u308c\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5065\u5168\u6027\u8a55\u4fa1\u306b\u3068\u3063\u3066\u91cd\u8981\u306a\u4ed5\u69d8\u3067\u3059\u3002 DDM \u30b5\u30dd\u30fc\u30c8\u3092\u5099\u3048\u305f 100G QSFP28 \u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u7ba1\u7406\u8005\u306f\u30ec\u30fc\u30b6\u30fc\u51fa\u529b\u30d1\u30ef\u30fc\u3001\u5165\u529b\u5149\u30d1\u30ef\u30fc\u3001\u6e29\u5ea6\u3001\u4f9b\u7d66\u96fb\u5727\u306a\u3069\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u76e3\u8996\u3067\u304d\u307e\u3059\u3002<\/p>\n

    DDM \u3092\u4f7f\u7528\u3057\u306a\u3044\u5834\u5408\u3001\u969c\u5bb3\u306e\u3042\u308b\u30ea\u30f3\u30af\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306f\u3001\u624b\u52d5\u30c6\u30b9\u30c8\u3092\u4f34\u3046\u4e8b\u5f8c\u5bfe\u5fdc\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u306a\u308a\u307e\u3059\u3002 DDM \u3092\u6709\u52b9\u306b\u3059\u308b\u3068\u3001\u30b7\u30b9\u30c6\u30e0\u306f\u30ea\u30f3\u30af\u5168\u4f53\u306e\u969c\u5bb3\u304c\u767a\u751f\u3059\u308b\u524d\u306b\u30a2\u30e9\u30fc\u30e0\u3092\u30c8\u30ea\u30ac\u30fc\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u306b\u63a5\u7d9a\u3059\u308b\u5834\u5408\u306b\u7279\u306b\u91cd\u8981\u3067\u3059\u3002\u00a0<\/span>\u7523\u696d\u7528\u30e1\u30c7\u30a3\u30a2\u30b3\u30f3\u30d0\u30fc\u30bf<\/a>\u00a0<\/span>\u6e29\u5ea6\u5909\u52d5\u304c\u983b\u7e41\u306b\u8d77\u3053\u308b\u904e\u9177\u306a\u74b0\u5883\u3002<\/p>\n

    QSFP28 \u8abf\u9054\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8:<\/strong><\/p>\n

      \n
    1. \u5fc5\u8981\u306a\u6b63\u78ba\u306a\u8ddd\u96e2\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044 (\u904e\u5927\u8a55\u4fa1\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044)\u3002<\/li>\n
    2. \u30b3\u30cd\u30af\u30bf\u306e\u4e92\u63db\u6027\u3092\u78ba\u8a8d\u3057\u307e\u3059 (LC \u5bfe MPO)\u3002<\/li>\n
    3. \u30db\u30b9\u30c8 \u30b9\u30a4\u30c3\u30c1\u306e\u96fb\u529b\u30d0\u30b8\u30a7\u30c3\u30c8\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\n
    4. \u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u30d7\u30ed\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u76e3\u8996\u306e\u305f\u3081\u306b DDM\/DOM \u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n
    5. MSA \u6e96\u62e0\u3092\u78ba\u8a8d\u3057\u3066\u3001\u30de\u30eb\u30c1\u30d9\u30f3\u30c0\u30fc\u306e\u76f8\u4e92\u904b\u7528\u6027\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n

      <\/p>\n

      \u8981\u7d04\u8868: QSFP28 \u9078\u629e\u30de\u30c8\u30ea\u30c3\u30af\u30b9<\/h2>\n

      \u3053\u306e\u8868\u306f\u3001\u6700\u3082\u4e00\u822c\u7684\u306a 100G \u30e2\u30b8\u30e5\u30fc\u30eb\u4ed5\u69d8\u9593\u306e\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u3092\u307e\u3068\u3081\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n\n\n\n\n\n
      \u4ed5\u69d8<\/strong><\/th>\n\u30b7\u30e7\u30fc\u30c8\u30ea\u30fc\u30c1(SR4)<\/strong><\/th>\n\u4e2d\u7d1a (CWDM4)<\/strong><\/th>\n\u30ed\u30f3\u30b0\u30ea\u30fc\u30c1(LR4)<\/strong><\/th>\n<\/tr>\n<\/thead>\n
      \u6700\u5927\u8ddd\u96e2<\/strong><\/td>\n100m(OM4)<\/td>\n2km (SMF)<\/td>\n10km (SMF)<\/td>\n<\/tr>\n
      \u6a19\u6e96\u7684\u306a\u96fb\u529b<\/strong><\/td>\n< 3.5W<\/td>\n< 3.5W<\/td>\n< 4.5W<\/td>\n<\/tr>\n
      \u30b3\u30b9\u30c8\u30d9\u30fc\u30b9<\/strong><\/td>\n\u6700\u4f4e<\/td>\n\u4e2d\u304f\u3089\u3044<\/td>\n\u9ad8\u3044<\/td>\n<\/tr>\n
      \u7e4a\u7dad\u306e\u8981\u4ef6<\/strong><\/td>\n\u9ad8 (8 \u30d5\u30a1\u30a4\u30d0\u30fc)<\/td>\n\u4f4e (2 \u30d5\u30a1\u30a4\u30d0\u30fc)<\/td>\n\u4f4e (2 \u30d5\u30a1\u30a4\u30d0\u30fc)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \u7d50\u8ad6<\/h2>\n

      100G QSFP28 \u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u9078\u629e\u306b\u306f\u3001\u6280\u8853\u7684\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306e\u5236\u7d04\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u8ddd\u96e2\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u306e\u7a2e\u985e\u3001\u96fb\u529b\u52b9\u7387\u3092\u512a\u5148\u3059\u308b\u3053\u3068\u3067\u3001\u7d44\u7e54\u306f\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044 100G \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002\u5fc5\u305a\u516c\u5f0f\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u00a0<\/span>SFF\u59d4\u54e1\u4f1a<\/a>\u00a0<\/span>\u9078\u629e\u3057\u305f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u304c 2026 \u5e74\u306e\u5c0e\u5165\u306b\u5411\u3051\u305f\u6700\u65b0\u306e\u696d\u754c\u6a19\u6e96\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n

      \u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n

      1. \u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9 \u30d5\u30a1\u30a4\u30d0\u30fc\u3067 100G QSFP28 SR4 \u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b?<\/strong><\/p>\n

      \u3044\u3044\u3048\u3001100G QSFP28 SR4 \u306f\u3001850nm \u30ec\u30fc\u30b6\u30fc\u3092\u4f7f\u7528\u3059\u308b\u30de\u30eb\u30c1\u30e2\u30fc\u30c9 \u30d5\u30a1\u30a4\u30d0\u30fc (MMF) \u5411\u3051\u306b\u7279\u5225\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u30fc (SMF) \u3068\u4f75\u7528\u3059\u308b\u3068\u3001SMF \u306e\u30b3\u30a2\u76f4\u5f84\u304c MMF \u306e\u30b3\u30a2\u76f4\u5f84\u3088\u308a\u3082\u5927\u5e45\u306b\u5c0f\u3055\u304f\u3001\u5149\u306e\u52b9\u679c\u7684\u306a\u7d50\u5408\u304c\u59a8\u3052\u3089\u308c\u308b\u305f\u3081\u3001\u6975\u5ea6\u306e\u4fe1\u53f7\u640d\u5931\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n

      2. QSFP28 \u30e2\u30b8\u30e5\u30fc\u30eb\u3068 QSFP+ \u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b?<\/strong><\/p>\n

      \u3069\u3061\u3089\u3082\u540c\u3058\u7269\u7406\u30d5\u30a9\u30fc\u30e0 \u30d5\u30a1\u30af\u30bf\u30fc\u3092\u5171\u6709\u3057\u3066\u3044\u307e\u3059\u304c\u3001QSFP+ \u306f 40G \u901f\u5ea6 (4x10G) \u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u306e\u306b\u5bfe\u3057\u3001QSFP28 \u306f 100G \u901f\u5ea6 (4x25G) \u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002 QSFP28 \u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u3088\u308a\u9ad8\u3044\u5468\u6ce2\u6570\u306e\u96fb\u6c17\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3068\u3088\u308a\u9ad8\u5ea6\u306a\u51e6\u7406\u3092\u5229\u7528\u3057\u3066\u3001\u6700\u65b0\u306e\u9ad8\u901f\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u306b\u5fc5\u8981\u306a\u30c7\u30fc\u30bf \u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u306e\u5897\u52a0\u306b\u5bfe\u5fdc\u3057\u307e\u3059\u3002<\/p>\n

      3. 100G QSFP28 \u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u306b\u3068\u3063\u3066\u6d88\u8cbb\u96fb\u529b\u304c\u91cd\u8981\u306a\u306e\u306f\u306a\u305c\u3067\u3059\u304b?<\/strong><\/p>\n

      \u6d88\u8cbb\u96fb\u529b\u304c\u9ad8\u3044\u3068\u3001\u30b9\u30a4\u30c3\u30c1 \u30b7\u30e3\u30fc\u30b7\u5185\u306e\u767a\u71b1\u304c\u5897\u52a0\u3057\u307e\u3059\u3002\u9ad8\u5bc6\u5ea6\u5c0e\u5165\u3067\u306f\u3001\u3053\u308c\u304c\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u306e\u51b7\u5374\u80fd\u529b\u3092\u8d85\u3048\u3001\u30b5\u30fc\u30de\u30eb\u30b9\u30ed\u30c3\u30c8\u30eb\u3084\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u969c\u5bb3\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30a8\u30cd\u30eb\u30ae\u30fc\u52b9\u7387\u306e\u9ad8\u3044\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u7dcf\u6240\u6709\u30b3\u30b9\u30c8 (TCO) \u3092\u524a\u6e1b\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u4fe1\u983c\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n

      4. 100G SR4 \u63a5\u7d9a\u306b\u306f MPO-12 \u3068 MPO-24 \u306e\u3069\u3061\u3089\u304c\u9069\u3057\u3066\u3044\u307e\u3059\u304b?<\/strong><\/p>\n

      100G QSFP28 SR4 \u306e\u5834\u5408\u3001MPO-12 \u30b3\u30cd\u30af\u30bf\u304c\u696d\u754c\u6a19\u6e96\u3067\u3059\u3002 12 \u672c\u306e\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u3046\u3061 8 \u672c\u3092\u4f7f\u7528\u3057\u3066 4 \u3064\u306e 25Gbps \u30ec\u30fc\u30f3\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002 MPO-24 \u306f\u30a2\u30c0\u30d7\u30bf\u30fc\u3068\u3068\u3082\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u304c\u3001\u8ffd\u52a0\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u4e0a\u306e\u5229\u70b9\u306f\u5f97\u3089\u308c\u305a\u3001\u30d5\u30a1\u30a4\u30d0\u30fc \u30ea\u30f3\u30af\u306b\u4e0d\u5fc5\u8981\u306a\u8907\u96d1\u6027\u3068\u6f5c\u5728\u7684\u306a\u633f\u5165\u640d\u5931\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002<\/p>\n

      5. 100G LR4 \u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u306f FEC (\u524d\u65b9\u8aa4\u308a\u8a02\u6b63) \u304c\u5fc5\u8981\u3067\u3059\u304b?<\/strong><\/p>\n

      \u306f\u3044\u3001LR4 \u3092\u542b\u3080\u307b\u3068\u3093\u3069\u306e 100G QSFP28 \u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001IEEE 802.3bj \u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u30db\u30b9\u30c8 FEC (RS-FEC) \u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002 FEC \u306f\u3001\u9577\u8ddd\u96e2\u3067\u306e\u4fe1\u53f7\u52a3\u5316\u306b\u3088\u3063\u3066\u5f15\u304d\u8d77\u3053\u3055\u308c\u308b\u30d3\u30c3\u30c8 \u30a8\u30e9\u30fc\u3092\u4fee\u6b63\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u30b9\u30a4\u30c3\u30c1 \u30dd\u30fc\u30c8\u304c FEC \u3092\u30b5\u30dd\u30fc\u30c8\u3057\u300110 km \u306e\u5b8c\u5168\u306a\u4f1d\u9001\u8ddd\u96e2\u3092\u9054\u6210\u3067\u304d\u308b\u3088\u3046\u306b\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>","protected":false},"excerpt":{"rendered":"

      \u3053\u306e\u5c02\u9580\u30ac\u30a4\u30c9\u3067\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u8abf\u9054\u3092\u652f\u63f4\u3059\u308b\u305f\u3081\u306b\u3001100G QSFP28 \u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u8a73\u7d30\u306a\u5206\u6790\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u6b63\u3057\u3044\u3082\u306e\u3092\u9078\u629e\u3059\u308b\u00a0<\/span>100G QSFP28\u30e2\u30b8\u30e5\u30fc\u30eb<\/a>\u00a0<\/span>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u306e\u6700\u9ad8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u78ba\u4fdd\u3059\u308b\u306b\u306f\u3001\u4f1d\u9001\u8ddd\u96e2\u3001\u6d88\u8cbb\u96fb\u529b\u3001\u5149\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u306e\u4e92\u63db\u6027\u3092\u8a55\u4fa1\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>","protected":false},"author":1,"featured_media":4689,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[121],"class_list":["post-4690","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-100g-qsfp28-modules"],"_links":{"self":[{"href":"https:\/\/www.newsunn.com\/ja\/wp-json\/wp\/v2\/posts\/4690","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsunn.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsunn.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsunn.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsunn.com\/ja\/wp-json\/wp\/v2\/comments?post=4690"}],"version-history":[{"count":0,"href":"https:\/\/www.newsunn.com\/ja\/wp-json\/wp\/v2\/posts\/4690\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsunn.com\/ja\/wp-json\/wp\/v2\/media\/4689"}],"wp:attachment":[{"href":"https:\/\/www.newsunn.com\/ja\/wp-json\/wp\/v2\/media?parent=4690"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsunn.com\/ja\/wp-json\/wp\/v2\/categories?post=4690"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsunn.com\/ja\/wp-json\/wp\/v2\/tags?post=4690"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}