{"id":23026,"date":"2026-10-14T12:07:44","date_gmt":"2026-10-14T04:07:44","guid":{"rendered":"https:\/\/www.luleey.com\/?p=23026"},"modified":"2026-10-13T00:34:27","modified_gmt":"2026-10-12T16:34:27","slug":"sfp-tx-power-inf-dbm-meaning-and-test-steps","status":"publish","type":"post","link":"https:\/\/www.luleey.com\/ja\/sfp-tx-power-inf-dbm-meaning-and-test-steps\/","title":{"rendered":"SFP TX\u51fa\u529b\uff08-Inf dBm\uff09\uff1a\u610f\u5473\u3068\u30c6\u30b9\u30c8\u624b\u9806"},"content":{"rendered":"<p class=\"wp-block-wd-paragraph wd-923b32c4\"><strong><a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/sfp\/\" title=\"SFP \u306e\u6295\u7a3f\u3092\u3059\u3079\u3066\u8868\u793a\">\u306d\u3093\u308a\u3087\u3046\u30d7\u30fc\u30eb<\/a> <a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/tx-power\/\" title=\"TX Power\u306e\u3059\u3079\u3066\u306e\u6295\u7a3f\u3092\u8868\u793a\">TX\u30d1\u30ef\u30fc<\/a> -Inf dBm<\/strong> \u901a\u5e38\u3001\u3053\u308c\u306f\u30db\u30b9\u30c8\u304c\u6709\u9650\u306e\u9001\u4fe1\u96fb\u529b\u5024\u3092\u8868\u793a\u3067\u304d\u306a\u304b\u3063\u305f\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u8aac\u660e\u3068\u3057\u3066\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304c\u5831\u544a\u3055\u308c\u305f\u5024\u300c0\u300d\u3092dBm\u306b\u5909\u63db\u3057\u3066\u3057\u307e\u3063\u305f\u3068\u3044\u3046\u8aac\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u306f <strong>\u3067\u306f\u306a\u3044<\/strong> \u305d\u308c\u3060\u3051\u3067\u3001\u30ec\u30fc\u30b6\u30fc\u304c\u6545\u969c\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u8a3c\u660e\u3059\u308b\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-638ef6f4\">\u9001\u4fe1\u6a5f\u304c\u610f\u56f3\u7684\u306b\u7121\u52b9\u306b\u3055\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u3001\u30dd\u30fc\u30c8\u304c\u30c0\u30a6\u30f3\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u3001\u30db\u30b9\u30c8\u304c\u8a3a\u65ad\u60c5\u5831\u3092\u8aa4\u3063\u3066\u8aad\u307f\u53d6\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u3001\u3042\u308b\u3044\u306f\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u5b9f\u969b\u306b\u5149\u51fa\u529b\u304c\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30b1\u30fc\u30b9\u3092\u78ba\u5b9f\u306b\u533a\u5225\u3059\u308b\u65b9\u6cd5\u306f\u3001\u8a3a\u65ad\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u5168\u4f53\u3092\u78ba\u8a8d\u3057\u305f\u4e0a\u3067\u3001 <a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/optical-power-meter\/\" title=\"\u5149\u30d1\u30ef\u30fc\u30e1\u30fc\u30bf\u30fc\u306e\u6295\u7a3f\u3092\u3059\u3079\u3066\u8868\u793a\">\u5149\u30d1\u30ef\u30fc\u30e1\u30fc\u30bf<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-4405a6c2\"><strong>\u9069\u7528\u7bc4\u56f2\uff1a<\/strong> \u3053\u306e\u30ac\u30a4\u30c9\u306f\u3001\u5149SFP\u306b\u9069\u7528\u3055\u308c\u307e\u3059\u3002, <a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/sfp-2\/\" title=\"SFP+ \u306e\u6295\u7a3f\u3092\u3059\u3079\u3066\u8868\u793a\">SFP+<\/a> \u305d\u3057\u3066 <a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/sfp28\/\" title=\"SFP28\u306e\u3059\u3079\u3066\u306e\u6295\u7a3f\u3092\u8868\u793a\">SFP28<\/a> \u30c7\u30b8\u30bf\u30eb\u8a3a\u65ad\u6a5f\u80fd\u3092\u516c\u958b\u3059\u308b\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u3002\u3053\u308c\u306fRJ45\u9285\u7dda\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u306f\u9069\u7528\u3055\u308c\u305a\u3001\u307e\u305f\u3001\u5f53\u8a72\u30b9\u30c6\u30a3\u30c3\u30af\u304a\u3088\u3073\u30db\u30b9\u30c8\u306b\u95a2\u3059\u308b\u6b63\u78ba\u306a\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u306a\u3044\u9650\u308a\u3001\u4e00\u4f53\u578bPON ONU\u30b9\u30c6\u30a3\u30c3\u30af\u306b\u306f\u9069\u7528\u3059\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<div class=\"wp-block-wd-image wd-block-image wd-9704c74e\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" class=\"wp-image-23067\" src=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/10\/sfp-tx-power-inf-dbm-hero.png\" alt=\"\" title=\"\" srcset=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/10\/sfp-tx-power-inf-dbm-hero.png 1000w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/10\/sfp-tx-power-inf-dbm-hero-800x800.png 800w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/10\/sfp-tx-power-inf-dbm-hero-400x400.png 400w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/10\/sfp-tx-power-inf-dbm-hero-768x768.png 768w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/10\/sfp-tx-power-inf-dbm-hero-12x12.png 12w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/10\/sfp-tx-power-inf-dbm-hero-150x150.png 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/div>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-7fda6768\">SFP\u306eTX\u51fa\u529b\u304c\u300c-Inf dBm\u300d\u3068\u8868\u793a\u3055\u308c\u308b\u7406\u7531<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-9b83f024\">\u306b\u3064\u3044\u3066 <a href=\"https:\/\/members.snia.org\/document\/dl\/25916\" target=\"_blank\" rel=\"noopener\">SNIA SFF-8472 \u4ed5\u69d8<\/a> \u76e3\u8996\u5bfe\u8c61\u306eTX\u51fa\u529b\u96fb\u529b\u3092\u30010.1 \u00b5W\u523b\u307f\u306e16\u30d3\u30c3\u30c8\u7b26\u53f7\u306a\u3057\u6570\u5024\u3068\u3057\u3066\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u8a31\u5bb9\u3055\u308c\u308b\u30c7\u30b8\u30bf\u30eb\u7bc4\u56f2\u306b\u306f\u30bc\u30ed\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u3053\u306e\u4ed5\u69d8\u306f\u3001\u57fa\u790e\u3068\u306a\u308b\u6e2c\u5b9a\u5024\u3092\u5b9a\u7fa9\u3059\u308b\u3082\u306e\u3067\u3042\u308a\u3001\u30c6\u30ad\u30b9\u30c8\u305d\u306e\u3082\u306e\u3092\u5b9a\u7fa9\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002 <code>-Inf dBm<\/code>.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-5e10fe7f\">\u30db\u30b9\u30c8\u306f\u901a\u5e38\u3001\u5149\u51fa\u529b\u3092\u30df\u30ea\u30ef\u30c3\u30c8\u304b\u3089dBm\u306b\u5909\u63db\u3059\u308b\u969b\u3001\u6b21\u306e\u3088\u3046\u306b\u884c\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-6936d4ed\"><code>\u96fb\u529b\uff08dBm\uff09\uff1d 10 \u00d7 log10\uff08mW\u5358\u4f4d\u306e\u96fb\u529b\uff09<\/code><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-f6294a10\">\u305d\u306e\u8a08\u7b97\u306e\u5165\u529b\u5024\u304c\u30bc\u30ed\u306e\u5834\u5408\u3001\u6709\u9650\u306e\u5bfe\u6570\u7d50\u679c\u306f\u5f97\u3089\u308c\u305a\u3001\u6570\u5b66\u7684\u306b\u306f\u8ca0\u306e\u7121\u9650\u5927\u306b\u53ce\u675f\u3057\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u306f\u6b21\u306e\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 <code>-Inf<\/code>, <code>-\u7121\u9650\u5927<\/code>, <code>\u8a72\u5f53\u306a\u3057<\/code>, \u3001\u7a7a\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u3001\u307e\u305f\u306f\u975e\u5e38\u306b\u4f4e\u3044\u30d5\u30ed\u30a2\u5024\u3002\u3053\u306e\u8868\u793a\u52d5\u4f5c\u306f\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c804932b\">\u3053\u308c\u306b\u3088\u308a\u3001\u6700\u521d\u306e\u91cd\u8981\u306a\u533a\u5225\u304c\u5c0e\u304d\u51fa\u3055\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e00\u822c\u7684\u306a\u4e8b\u5b9f\uff1a<\/strong> \u8a3a\u65ad\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u306f\u3001\u751f\u30d1\u30ef\u30fc\u306e\u5024\u304c\u30bc\u30ed\u3068\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u8ad6\u7406\u7684\u306a\u89e3\u91c8\uff1a<\/strong> \u30db\u30b9\u30c8\u306f\u3001\u305d\u306e\u30bc\u30ed\u307e\u305f\u306f\u5229\u7528\u4e0d\u53ef\u80fd\u306a\u5024\u3092\u6b21\u306e\u3088\u3046\u306b\u8868\u73fe\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 <code>-Inf dBm<\/code>.<\/li>\n\n\n\n<li><strong>\u307e\u3060\u8a3c\u660e\u3055\u308c\u3066\u3044\u306a\u3044\uff1a<\/strong> \u5149\u9001\u4fe1\u6a5f\u306b\u7269\u7406\u7684\u306a\u6545\u969c\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-a37d24a5\">\u300c\u30d1\u30bf\u30fc\u30f3\u300d\u3092\u8aad\u307f\u89e3\u304f\u2015\u2015\u5358\u4e00\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u3067\u306f\u306a\u304f<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-85b3bcb8\">\u5229\u7528\u53ef\u80fd\u306a\u3059\u3079\u3066\u306e\u6e2c\u5b9a\u5024\u3092\u540c\u6642\u306b\u53d6\u5f97\u3057\u307e\u3059\uff1a\u6e29\u5ea6\u3001\u4f9b\u7d66\u96fb\u5727\u3001TX\u30d0\u30a4\u30a2\u30b9\u96fb\u6d41\u3001TX\u96fb\u529b\u3001RX\u96fb\u529b\u3001, <a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/tx-disable\/\" title=\"\u300cTX Disable\u300d\u306e\u3059\u3079\u3066\u306e\u6295\u7a3f\u3092\u8868\u793a\">TX \u7121\u52b9<\/a>, <a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/tx-fault\/\" title=\"\u300cTX Fault\u300d\u306e\u3059\u3079\u3066\u306e\u6295\u7a3f\u3092\u8868\u793a\">TX \u30d5\u30a9\u30fc\u30eb\u30c8<\/a>, \u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u6709\u7121\u3001\u304a\u3088\u3073\u300c\u30c7\u30fc\u30bf\u672a\u6e96\u5099\u300d\u3002\u539f\u56e0\u304c1\u3064\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u3060\u3051\u3067\u7279\u5b9a\u3055\u308c\u308b\u3053\u3068\u306f\u3081\u3063\u305f\u306b\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u89b3\u5bdf\u3055\u308c\u308b\u3082\u306e<\/th><th>\u6700\u6709\u529b\u306a\u6700\u521d\u306e\u4eee\u8aac<\/th><th>\u305d\u308c\u304c\u8a3c\u660e\u3057\u3066\u3044\u306a\u3044\u3053\u3068<\/th><\/tr><\/thead><tbody><tr><td>\u3059\u3079\u3066\u306e\u8a3a\u65ad\u9805\u76ee\u304c\u7a7a\u767d\u3001\u30bc\u30ed\u3001\u307e\u305f\u306f\u5229\u7528\u4e0d\u53ef\u3068\u306a\u3063\u3066\u3044\u307e\u3059<\/td><td><a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/ddm\/\" title=\"DDM \u306e\u6295\u7a3f\u3092\u3059\u3079\u3066\u8868\u793a\">DDM<\/a> \u30b5\u30dd\u30fc\u30c8\u3001\u7ba1\u7406\u30d0\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u53d7\u3051\u5165\u308c\u3001\u307e\u305f\u306f\u30db\u30b9\u30c8\u306e\u89e3\u6790\u306b\u95a2\u3059\u308b\u554f\u984c<\/td><td>\u6545\u969c\u3057\u305f\u30ec\u30fc\u30b6\u30fc<\/td><\/tr><tr><td>\u6e29\u5ea6\u3068\u96fb\u5727\u306f\u8aad\u307f\u53d6\u308c\u307e\u3059\u3002TX\u51fa\u529b\u306f <code>-Inf<\/code>; TX\u30d0\u30a4\u30a2\u30b9\u306f\u30bc\u30ed\uff1bTX\u7121\u52b9\u304c\u30a2\u30b5\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b<\/td><td>\u9001\u4fe1\u6a5f\u306f\u610f\u56f3\u7684\u306b\u30aa\u30d5\u306b\u306a\u3063\u3066\u3044\u307e\u3059<\/td><td>\u4e0d\u826f\u30e2\u30b8\u30e5\u30fc\u30eb<\/td><\/tr><tr><td>\u6e29\u5ea6\u3068\u96fb\u5727\u306f\u8aad\u307f\u53d6\u308c\u307e\u3059\u3002TX\u51fa\u529b\u306f <code>-Inf<\/code>; TX\u30d5\u30a9\u30fc\u30eb\u30c8\u304c\u30a2\u30b5\u30fc\u30c8\u3055\u308c\u305f<\/td><td>\u9001\u4fe1\u6a5f\u5074\u306e\u554f\u984c\u306b\u3064\u3044\u3066\u8abf\u67fb\u304c\u5fc5\u8981\u3067\u3042\u308b<\/td><td>\u305d\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3060\u3051\u304c\u539f\u56e0\u3067\u3042\u308b\u3068\u3044\u3046\u3053\u3068<\/td><\/tr><tr><td>TX\u30d0\u30a4\u30a2\u30b9\u306f\u30bc\u30ed\u3067\u306f\u306a\u3044\u3002TX\u51fa\u529b\u306f <code>-Inf<\/code>; \u5916\u90e8\u306e\u5149\u91cf\u8a08\u304c\u60f3\u5b9a\u901a\u308a\u306e\u5149\u91cf\u3092\u691c\u77e5\u3059\u308b<\/td><td>\u30c6\u30ec\u30e1\u30c8\u30ea\u3001\u30ad\u30e3\u30ea\u30d6\u30ec\u30fc\u30b7\u30e7\u30f3\u3001\u307e\u305f\u306f\u30db\u30b9\u30c8\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u306e\u554f\u984c<\/td><td>\u5149\u51fa\u529b\u306e\u4f4e\u4e0b<\/td><\/tr><tr><td>TX\u306e\u96fb\u529b\u306f <code>-Inf<\/code>; \u30e1\u30fc\u30bf\u30fc\u306b\u8868\u793a\u3055\u308c\u306a\u3044\uff1b\u6b63\u5e38\u306b\u52d5\u4f5c\u3059\u308b\u3053\u3068\u304c\u78ba\u8a8d\u6e08\u307f\u306e\u30b5\u30dd\u30fc\u30c8\u5bfe\u8c61\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u540c\u3058\u30dd\u30fc\u30c8\u3067\u6b63\u5e38\u306b\u52d5\u4f5c\u3059\u308b<\/td><td>\u305d\u306e\u7591\u308f\u3057\u3044\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u9001\u4fe1\u7d4c\u8def\u304c\u6709\u529b\u306a\u5019\u88dc\u3068\u306a\u308b<\/td><td>\u7ba1\u7406\u3055\u308c\u305f\u4ea4\u5dee\u8a66\u9a13\u304c\u5b8c\u4e86\u3059\u308b\u524d\u306e\u6839\u672c\u539f\u56e0<\/td><\/tr><tr><td>\u5c40\u6240\u7684\u306a\u53d7\u4fe1\u96fb\u529b\u306f\u6709\u9650\u3067\u3042\u308b\u4e00\u65b9\u3001\u5c40\u6240\u7684\u306a\u9001\u4fe1\u96fb\u529b\u306f <code>-Inf<\/code><\/td><td>\u5165\u5c04\u65b9\u5411\u306b\u306f\u307e\u3060\u5149\u304c\u5f53\u305f\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<\/td><td>\u305d\u306e\u30ed\u30fc\u30ab\u30ebTX\u304c\u6b63\u5e38\u306b\u52d5\u4f5c\u3057\u3066\u3044\u308b\u3053\u3068\u3001\u3042\u308b\u3044\u306fRX\u304c\u4ed5\u69d8\u7bc4\u56f2\u5185\u3067\u3042\u308b\u3053\u3068<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c8af1c4b\">5\u3064\u306e\u4e00\u822c\u7684\u306a\u8a3a\u65ad\u5024\u306b\u3064\u3044\u3066\u5fa9\u7fd2\u3057\u305f\u3044\u5834\u5408\u306f\u3001LuLeey\u306e <a href=\"https:\/\/www.luleey.com\/ja\/what-is-ddm-dom-in-sfp-transceivers\/\">DDM\/DOM \u30ac\u30a4\u30c9<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-b7d76275\">\u300c-Inf TX\u300d\u3068\u3044\u3046\u6e2c\u5b9a\u5024\u304c\u51fa\u308b6\u3064\u306e\u4e00\u822c\u7684\u306a\u539f\u56e0<\/h2>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-3a693aa8\">1. \u30dd\u30fc\u30c8\u304c\u30c0\u30a6\u30f3\u3057\u3066\u304a\u308a\u3001\u9001\u4fe1\u6a5f\u304c\u7121\u52b9\u306b\u306a\u3063\u3066\u3044\u307e\u3059<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-411e1c9d\">\u7ba1\u7406\u4e0a\u30c0\u30a6\u30f3\u72b6\u614b\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3001\u521d\u671f\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30c9\u30e9\u30a4\u30d0\u3001\u307e\u305f\u306f\u4f4e\u6d88\u8cbb\u96fb\u529b\u72b6\u614b\u306b\u3088\u308a\u3001TX\u304c\u7121\u52b9\u5316\u3055\u308c\u305f\u307e\u307e\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e <a href=\"https:\/\/cdn.kernel.org\/doc\/html\/latest\/networking\/kapi.html\" target=\"_blank\" rel=\"noopener\">Linux\u30ab\u30fc\u30cd\u30eb\u306eSFP\u306b\u95a2\u3059\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a> \u3053\u3053\u3067\u306f\u3001TX_DISABLE \u3092\u30c7\u30a3\u30a2\u30b5\u30fc\u30c8\u3059\u308b\u3053\u3068\u3067 SFP \u3092\u8d77\u52d5\u3057\u3001TX_DISABLE \u3092\u30a2\u30b5\u30fc\u30c8\u3059\u308b\u3053\u3068\u3067\u505c\u6b62\u3055\u305b\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002\u4ed6\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u306f\u72ec\u81ea\u306e\u5236\u5fa1\u30ed\u30b8\u30c3\u30af\u304c\u5b9f\u88c5\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u305d\u306e\u539f\u7406\u306f\u540c\u3058\u3067\u3059\u3002\u3064\u307e\u308a\u3001\u30dd\u30fc\u30c8\u306e\u72b6\u614b\u306b\u3088\u3063\u3066\u9001\u4fe1\u6a5f\u3092\u610f\u56f3\u7684\u306b\u30aa\u30d5\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-6183a930\">SFF-8472 \u3067\u306f\u3001\u9001\u4fe1\u6a5f\u304c\u7121\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u9593\u306f\u9001\u4fe1\u96fb\u529b\u306e\u8a3a\u65ad\u304c\u7121\u52b9\u3068\u306a\u308b\u3053\u3068\u3082\u660e\u8a18\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b\u30e2\u30fc\u30c9\u3067\u8a72\u5f53\u3059\u308b\u30dd\u30fc\u30c8\u304c\u6709\u52b9\u306b\u306a\u308a\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u521d\u671f\u5316\u3092\u5b8c\u4e86\u3059\u308b\u307e\u3067\u3001\u969c\u5bb3\u3068\u5224\u5b9a\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-73adca7b\">2. \u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u307e\u305f\u306f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306b\u3088\u308bTX\u7121\u52b9\u5316\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-481bf2e1\">SFF-8472\u306b\u306f\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306b\u3088\u308bTX_DISABLE\u5165\u529b\u3068\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306b\u3088\u308b\u7121\u52b9\u5316\u5236\u5fa1\u306e\u4e21\u65b9\u304c\u5099\u308f\u3063\u3066\u3044\u307e\u3059\u3002\u3044\u305a\u308c\u306e\u65b9\u6cd5\u3067\u3082\u3001\u9001\u4fe1\u6a5f\u3092\u30aa\u30d5\u306e\u72b6\u614b\u306b\u4fdd\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30db\u30b9\u30c8\u30b9\u30c6\u30fc\u30bf\u30b9\u304a\u3088\u3073\u30e2\u30b8\u30e5\u30fc\u30eb\u30b9\u30c6\u30fc\u30bf\u30b9\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u305d\u308c\u3089\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u591a\u304f\u306e\u7121\u52b9\u5316\u72b6\u614b\u3067\u306f\u30d0\u30a4\u30a2\u30b9\u96fb\u6d41\u304c\u30bc\u30ed\u3068\u306a\u308b\u3053\u3068\u304c\u60f3\u5b9a\u3055\u308c\u308b\u305f\u3081\u3001\u3053\u308c\u3060\u3051\u3067\u306f\u640d\u50b7\u306e\u6c7a\u5b9a\u7684\u306a\u8a3c\u62e0\u3068\u306f\u306a\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-9d21ba79\">3. \u30db\u30b9\u30c8\u306f\u6709\u52b9\u306a\u8a3a\u65ad\u60c5\u5831\u3092\u8aad\u307f\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u3044<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-165e9722\">\u4e00\u90e8\u306e\u8a3a\u65ad\u30c7\u30fc\u30bf\u304c\u6b20\u843d\u3057\u3066\u3044\u305f\u308a\u3001\u8aa4\u3063\u3066\u8aad\u307f\u53d6\u3089\u308c\u305f\u308a\u3057\u3066\u3044\u308b\u5834\u5408\u3067\u3082\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u5b58\u5728\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u8003\u3048\u3089\u308c\u308b\u539f\u56e0\u3068\u3057\u3066\u306f\u3001\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u306a\u3044DDM\u3001\u7ba1\u7406\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u554f\u984c\u3001\u53e4\u3044\u30c7\u30fc\u30bf\u3001\u300cData Not Ready\u300d\u72b6\u614b\u3001\u30db\u30b9\u30c8\u306e\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3001\u30c9\u30e9\u30a4\u30d0\u306e\u52d5\u4f5c\u3001\u3042\u308b\u3044\u306f\u30db\u30b9\u30c8\u304c\u53d7\u3051\u5165\u308c\u306a\u3044\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306a\u3069\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d585df57\">\u30db\u30b9\u30c8\u304c\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u78ba\u5b9f\u306b\u8b58\u5225\u3067\u304d\u306a\u3044\u5834\u5408\u3001\u307e\u305f\u306f\u305d\u306eEEPROM\u3092\u8aad\u307f\u53d6\u308c\u306a\u3044\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/www.luleey.com\/ja\/sfp-module-not-detected-a-safe-troubleshooting-guide\/\">SFP\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u691c\u51fa\u3055\u308c\u306a\u3044\u5834\u5408\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u30ac\u30a4\u30c9<\/a> \u30ec\u30fc\u30b6\u30fc\u306e\u8a3a\u65ad\u3092\u884c\u3046\u524d\u306b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-750c28cc\">4. \u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u30db\u30b9\u30c8\u304c\u30b5\u30dd\u30fc\u30c8\u5bfe\u8c61\u5916\u306e\u30e2\u30fc\u30c9\u3067\u52d5\u4f5c\u3057\u3066\u3044\u307e\u3059<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-176c99c2\">SFP\u5f62\u72b6\u306e\u30dd\u30fc\u30c8\u304c\u3042\u308b\u3060\u3051\u3067\u306f\u3001\u4e92\u63db\u6027\u304c\u78ba\u4fdd\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30db\u30b9\u30c8\u306e\u6b63\u78ba\u306a\u30e2\u30c7\u30eb\u3001\u30dd\u30fc\u30c8\u306e\u7a2e\u985e\u3001\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308bSerDes\u30e2\u30fc\u30c9\u3001\u8a2d\u5b9a\u3055\u308c\u305f\u4f1d\u9001\u901f\u5ea6\u3001\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3001\u30c9\u30e9\u30a4\u30d0\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3001\u304a\u3088\u3073\u96fb\u529b\u5236\u9650\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30dd\u30fc\u30c8\u3084\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u6700\u5927\u901f\u5ea6\u3060\u3051\u3067\u306f\u3001\u305d\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u5b9f\u969b\u306b\u3069\u306e\u96fb\u6c17\u30e2\u30fc\u30c9\u304c\u52d5\u4f5c\u3059\u308b\u304b\u306f\u308f\u304b\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8dfe5ffc\">\u3053\u308c\u306f\u3001\u7279\u306b\u30de\u30eb\u30c1\u30ec\u30fc\u30c8\u30dd\u30fc\u30c8\u306e\u5834\u5408\u306b\u91cd\u8981\u3067\u3059\u3002\u7269\u7406\u7684\u306b\u9069\u5408\u3059\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u3042\u3063\u3066\u3082\u3001\u9078\u629e\u3055\u308c\u305f\u30ec\u30fc\u30c8\u3067\u6b63\u3057\u304f\u521d\u671f\u5316\u3055\u308c\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-bbf9e051\">5. \u9001\u4fe1\u6a5f\u306b\u5b9f\u969b\u306e\u6545\u969c\u304c\u3042\u308b\u304b\u3001\u96fb\u6e90\u306b\u554f\u984c\u304c\u3042\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-e0653b43\">\u300cTX Fault\u300d\u306f\u300cTX Disable\u300d\u3068\u306f\u7570\u306a\u308a\u307e\u3059\u3002\u300cDisable\u300d\u306f\u5236\u5fa1\u72b6\u614b\u3067\u3059\u304c\u3001\u300cFault\u300d\u306f\u9001\u4fe1\u6a5f\u304b\u3089\u5831\u544a\u3055\u308c\u308b\u30b9\u30c6\u30fc\u30bf\u30b9\u3067\u3059\u3002\u3053\u306e2\u3064\u306f\u5225\u3005\u306b\u8a18\u9332\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002LuLeey\u306e\u30ac\u30a4\u30c9\u306b\u3088\u308b\u3068\u3001 <a href=\"https:\/\/www.luleey.com\/ja\/sfp-rx-los-vs-tx-fault-what-each-alarm-means\/\">RX LOS \u5bfe TX \u30d5\u30a9\u30fc\u30eb\u30c8<\/a> \u3053\u308c\u306b\u3088\u308a\u3001\u30d5\u30a9\u30fc\u30eb\u30c8\u30d5\u30e9\u30b0\u304c\u691c\u7d22\u7bc4\u56f2\u3092\u7d5e\u308a\u8fbc\u3080\u4e00\u65b9\u3067\u3001\u305d\u308c\u3060\u3051\u3067\u306f\u539f\u56e0\u304c\u30e2\u30b8\u30e5\u30fc\u30eb\u3001\u30db\u30b9\u30c8\u5236\u5fa1\u3001\u96fb\u6e90\u3001\u3042\u308b\u3044\u306f\u6e29\u5ea6\u306e\u3044\u305a\u308c\u306b\u3042\u308b\u304b\u3092\u7279\u5b9a\u3067\u304d\u306a\u3044\u7406\u7531\u304c\u8aac\u660e\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-2526bc67\">6. \u30ec\u30fc\u30b6\u30fc\u307e\u305f\u306f\u9001\u4fe1\u6a5f\u306e\u30c9\u30e9\u30a4\u30d0\u304c\u6545\u969c\u3057\u3066\u3044\u307e\u3059<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-698c7ec8\">\u7269\u7406\u7684\u306a\u6545\u969c\u306e\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u7d50\u8ad6\u304c\u78ba\u304b\u306a\u3082\u306e\u3068\u306a\u308b\u306e\u306f\u3001\u30dd\u30fc\u30c8\u304c\u6709\u52b9\u5316\u3055\u308c\u3001\u300cTX Disable\u300d\u304c\u30af\u30ea\u30a2\u3055\u308c\u3001\u30db\u30b9\u30c8\u3068\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u304a\u308a\u3001\u5916\u90e8\u30e1\u30fc\u30bf\u30fc\u3067\u51fa\u529b\u304c\u691c\u51fa\u3055\u308c\u305a\u3001\u304b\u3064\u5236\u5fa1\u3055\u308c\u305f\u30b9\u30ef\u30c3\u30d7\u306b\u3088\u3063\u3066\u75c7\u72b6\u304c\u554f\u984c\u306e\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u306b\u9650\u5b9a\u3055\u308c\u305f\u5834\u5408\u306b\u9650\u3089\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-757628f9\">SFP\u306eTX\u51fa\u529b\uff08-Inf dBm\uff09\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u65b9\u6cd5<\/h2>\n\n\n\n<div class=\"wp-block-wd-image wd-block-image wd-95a10ab1\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" class=\"wp-image-23066\" src=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/10\/sfp-inf-dbm-test-workflow.png\" alt=\"\" title=\"\" srcset=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/10\/sfp-inf-dbm-test-workflow.png 1000w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/10\/sfp-inf-dbm-test-workflow-800x800.png 800w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/10\/sfp-inf-dbm-test-workflow-400x400.png 400w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/10\/sfp-inf-dbm-test-workflow-768x768.png 768w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/10\/sfp-inf-dbm-test-workflow-12x12.png 12w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/10\/sfp-inf-dbm-test-workflow-150x150.png 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/div>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-53b721b4\">\u624b\u9806 1\uff1a\u90e8\u54c1\u3092\u518d\u5ea6\u53d6\u308a\u4ed8\u3051\u308b\u524d\u306b\u3001\u8a3c\u62e0\u3092\u4fdd\u5b58\u3057\u3066\u304a\u304f<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-2325ed6c\">\u8a18\u9332\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30db\u30b9\u30c8\u30e2\u30c7\u30eb\u3001\u30b9\u30ed\u30c3\u30c8\u3001\u304a\u3088\u3073\u30dd\u30fc\u30c8<\/li>\n\n\n\n<li>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3001\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3001\u304a\u3088\u3073\u30c9\u30e9\u30a4\u30d0\u306e\u30d0\u30fc\u30b8\u30e7\u30f3<\/li>\n\n\n\n<li>\u30e2\u30b8\u30e5\u30fc\u30eb\u30e1\u30fc\u30ab\u30fc\u3001\u6b63\u78ba\u306a\u90e8\u54c1\u756a\u53f7\u3001\u304a\u3088\u3073\u30b7\u30ea\u30a2\u30eb\u756a\u53f7<\/li>\n\n\n\n<li>\u8a2d\u5b9a\u304a\u3088\u3073\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u3055\u308c\u305f\u30dd\u30fc\u30c8\u30ec\u30fc\u30c8<\/li>\n\n\n\n<li>\u6e29\u5ea6\u3001\u96fb\u5727\u3001TX\u30d0\u30a4\u30a2\u30b9\u3001TX\u51fa\u529b\u3001RX\u51fa\u529b<\/li>\n\n\n\n<li>TX\u7121\u52b9\u3001TX\u969c\u5bb3\u3001RX LOS\u3001\u304a\u3088\u3073\u30c7\u30fc\u30bf\u672a\u6e96\u5099\u306e\u72b6\u614b<\/li>\n\n\n\n<li>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u7ba1\u7406\u72b6\u614b\u304a\u3088\u3073\u904b\u7528\u72b6\u614b<\/li>\n\n\n\n<li>\u9060\u9694\u5074\u306e\u72b6\u614b\u304a\u3088\u3073\u6e2c\u5b9a\u6642\u523b<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-30ef08ce\">\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3084\u30b3\u30de\u30f3\u30c9\u306e\u51fa\u529b\u7d50\u679c\u306f\u53c2\u8003\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u5171\u6709\u3059\u308b\u524d\u306b\u3001\u8a8d\u8a3c\u60c5\u5831\u3084\u95a2\u4fc2\u306e\u306a\u3044\u8a2d\u5b9a\u60c5\u5831\u306f\u524a\u9664\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-ffe3646a\">\u30b9\u30c6\u30c3\u30d7 2: \u30db\u30b9\u30c8\u304c\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u691c\u51fa\u3057\u3066\u53d7\u3051\u5165\u308c\u3089\u308c\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-e852879b\">\u30db\u30b9\u30c8\u304c\u30e2\u30b8\u30e5\u30fc\u30eb\u8b58\u5225\u5b50\u3068EEPROM\u3092\u4e00\u8cab\u3057\u3066\u8aad\u307f\u53d6\u3063\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3059\u3079\u3066\u306e\u76e3\u8996\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u540c\u6642\u306b\u6d88\u3048\u3066\u3057\u307e\u3046\u5834\u5408\u306f\u3001\u307e\u305a\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u691c\u51fa\u307e\u305f\u306f\u7ba1\u7406\u30a2\u30af\u30bb\u30b9\u306b\u95a2\u3059\u308b\u554f\u984c\u3092\u89e3\u6c7a\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5358\u4e00\u306e <code>-Inf<\/code> \u4e00\u898b\u4fe1\u6191\u6027\u306e\u3042\u308b\u8a3a\u65ad\u7d50\u679c\u306e\u6a2a\u306b\u3042\u308b\u5024\u306f\u3001\u5b8c\u5168\u306b\u8aad\u307f\u53d6\u308c\u306a\u3044\u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u306f\u7570\u306a\u308b\u5206\u5c90\u3092\u793a\u5506\u3057\u3066\u3044\u308b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-0c63cd15\">\u624b\u9806 3\uff1a\u30dd\u30fc\u30c8\u306e\u72b6\u614b\u3001TX \u7121\u52b9\u3001\u304a\u3088\u3073 TX \u969c\u5bb3\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-5ac2c42c\">\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u6709\u52b9\u5316\u306f\u3001\u627f\u8a8d\u3055\u308c\u305f\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6642\u9593\u5e2f\u5185\u306e\u307f\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002\u8a2d\u5b9a\u3055\u308c\u305f\u901f\u5ea6\u304a\u3088\u3073\u30e1\u30c7\u30a3\u30a2\u30e2\u30fc\u30c9\u304c\u3001\u30db\u30b9\u30c8\u3068\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u4e21\u65b9\u3067\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b\u30e2\u30fc\u30c9\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-84f0d7b8\">\u6b21\u306b\u3001\u5236\u5fa1\u4fe1\u53f7\u3068\u30b9\u30c6\u30fc\u30bf\u30b9\u4fe1\u53f7\u3092\u518d\u5ea6\u8aad\u307f\u53d6\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>TX Disable \u304c\u30a2\u30b5\u30fc\u30c8\u3055\u308c\u307e\u3057\u305f\uff1a<\/strong> \u30db\u30b9\u30c8\u304c\u306a\u305c\u30ec\u30fc\u30b6\u30fc\u3092\u30aa\u30d5\u306b\u3057\u3066\u3044\u308b\u306e\u304b\u3001\u305d\u306e\u7406\u7531\u3092\u7a81\u304d\u6b62\u3081\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li><strong>TX \u30af\u30ea\u30a2\u7121\u52b9\u3001TX \u30d5\u30a9\u30eb\u30c8\u306a\u3057\uff1a<\/strong> \u6e2c\u5b9a\u624b\u9806\u306b\u9032\u307f\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>TX\u30d5\u30a9\u30fc\u30eb\u30c8\u304c\u767a\u751f\u3057\u307e\u3057\u305f\uff1a<\/strong> \u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3092\u4ea4\u63db\u3059\u308b\u524d\u306b\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u96fb\u6e90\u4f9b\u7d66\u72b6\u6cc1\u3001\u6e29\u5ea6\u3001\u53d6\u308a\u4ed8\u3051\u72b6\u614b\u3001\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b\u30e2\u30fc\u30c9\u3001\u304a\u3088\u3073\u30db\u30b9\u30c8\u306e\u30ed\u30b0\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-cd8a21cf\">\u30b9\u30c6\u30c3\u30d7 4: \u5b8c\u6210\u3057\u305f DDM \u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3092\u6bd4\u8f03\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-a3b3692e\">TX\u96fb\u529b\u306f\u3001\u6e29\u5ea6\u3001\u96fb\u5727\u3001TX\u30d0\u30a4\u30a2\u30b9\u3068\u4f75\u305b\u3066\u89e3\u91c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u3089\u306e\u7d44\u307f\u5408\u308f\u305b\u306f\u3001\u3044\u305a\u308c\u304b\u4e00\u3064\u306e\u6570\u5024\u3088\u308a\u3082\u591a\u304f\u306e\u60c5\u5831\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d0\u30a4\u30a2\u30b9\u304c\u30bc\u30ed\u3067\u3001\u304b\u3064\u7121\u52b9\u72b6\u614b\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u72b6\u614b\u306f\u3001\u9001\u4fe1\u6a5f\u304c\u610f\u56f3\u7684\u306b\u30aa\u30d5\u306b\u306a\u3063\u3066\u3044\u308b\u72b6\u614b\u3068\u4e00\u81f4\u3059\u308b\u3002.<\/li>\n\n\n\n<li>\u30bc\u30ed\u4ee5\u5916\u306e\u30d0\u30a4\u30a2\u30b9\u306b\u52a0\u3048\u3001 <code>-Inf<\/code> TX\u30d1\u30ef\u30fc\u304c\u70b9\u706f\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u5831\u544a\u4e0a\u306e\u554f\u984c\u3001\u3042\u308b\u3044\u306f\u6e2c\u5b9a\u53ef\u80fd\u306a\u5149\u3092\u767a\u751f\u3055\u305b\u305a\u306b\u99c6\u52d5\u3055\u308c\u3066\u3044\u308b\u9001\u4fe1\u6a5f\u304c\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n\n\n\n<li>\u96fb\u5727\u3084\u6e29\u5ea6\u306b\u7570\u5e38\u304c\u898b\u3089\u308c\u308b\u5834\u5408\u306f\u3001\u30db\u30b9\u30c8\u306e\u96fb\u6e90\u7d4c\u8def\u307e\u305f\u306f\u52d5\u4f5c\u9650\u754c\u306b\u95a2\u3059\u308b\u554f\u984c\u304c\u539f\u56e0\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d65135a3\">\u3059\u3079\u3066\u306e\u95be\u5024\u3092\u3001\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u306e\u6b63\u78ba\u306a\u4ed5\u69d8\u3068\u7167\u3089\u3057\u5408\u308f\u305b\u3066\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u666e\u904d\u7684\u306b\u300c\u9069\u5207\u300d\u3068\u8a00\u3048\u308b\u9001\u4fe1\u96fb\u529b\u3084\u30d0\u30a4\u30a2\u30b9\u96fb\u6d41\u3068\u3044\u3046\u3082\u306e\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30d0\u30a4\u30a2\u30b9\u96fb\u6d41\u306b\u95a2\u3059\u308b\u3088\u308a\u8a73\u7d30\u306a\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/www.luleey.com\/ja\/sfp-tx-bias-current-high-causes-and-fixes\/\">SFP\u306eTX\u30d0\u30a4\u30a2\u30b9\u96fb\u6d41\u304c\u9ad8\u3059\u304e\u308b\uff1a\u539f\u56e0\u3068\u5bfe\u51e6\u6cd5<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-88bd3f85\">\u624b\u9806 5\uff1a\u5149\u30d1\u30ef\u30fc\u30e1\u30fc\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3066\u9001\u4fe1\u6a5f\u3092\u6e2c\u5b9a\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-e2ddde1c\">\u5916\u90e8\u8a08\u6e2c\u5668\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u81ea\u8eab\u306e\u30c6\u30ec\u30e1\u30c8\u30ea\u3068\u306f\u72ec\u7acb\u3057\u305f\u6e2c\u5b9a\u7d50\u679c\u304c\u5f97\u3089\u308c\u307e\u3059\u3002\u5b89\u5168\u304a\u3088\u3073\u5909\u66f4\u7ba1\u7406\u306e\u624b\u9806\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u5149\u653e\u5c04\u306f\u76ee\u306b\u898b\u3048\u306a\u3044\u5834\u5408\u304c\u3042\u308b\u305f\u3081\u3001\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u3084\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u4e2d\u3092\u7d76\u5bfe\u306b\u8997\u304d\u8fbc\u307e\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-2656009c\">\u4ee5\u4e0b\u306e\u30d9\u30f3\u30c1\u904b\u52d5\u306e\u30bb\u30c3\u30c8\u9806\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u4ed5\u69d8\u66f8\u304b\u3089\u3001\u9001\u4fe1\u6a5f\u306e\u6b63\u78ba\u306a\u6ce2\u9577\u3068\u4e88\u60f3\u3055\u308c\u308b\u51fa\u529b\u7bc4\u56f2\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u305d\u306e\u6ce2\u9577\u304a\u3088\u3073\u51fa\u529b\u7bc4\u56f2\u306b\u5bfe\u5fdc\u3057\u305f\u30d1\u30ef\u30fc\u30e1\u30fc\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u9069\u5207\u306a\u30a2\u30c0\u30d7\u30bf\u30fc\u3092\u53d6\u308a\u4ed8\u3051\u3001\u4e92\u63db\u6027\u306e\u3042\u308b\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u7a2e\u985e\u3001\u30b3\u30cd\u30af\u30bf\u3001\u7814\u78e8\u72b6\u614b\u3092\u5099\u3048\u305f\u3001\u6b63\u5e38\u306b\u52d5\u4f5c\u3059\u308b\u3053\u3068\u304c\u78ba\u8a8d\u6e08\u307f\u306e\u57fa\u6e96\u7528\u30b8\u30e3\u30f3\u30d1\u30fc\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u3059\u3079\u3066\u306e\u63a5\u7d9a\u90e8\u3092\u70b9\u691c\u3001\u6e05\u6383\u3057\u3001\u518d\u70b9\u691c\u3092\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u6e2c\u5b9a\u5668\u3092\u9001\u4fe1\u6a5f\u306e\u6ce2\u9577\u306b\u5408\u308f\u305b\u3066\u8a2d\u5b9a\u3057\u3001dBm\u5358\u4f4d\u3067\u6e2c\u5b9a\u5024\u3092\u8aad\u307f\u53d6\u308a\u307e\u3059\u3002.<\/li>\n\n\n\n<li>\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b\u30dd\u30fc\u30c8\u30e2\u30fc\u30c9\u3092\u6709\u52b9\u306b\u3057\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u9001\u4fe1\u51fa\u529b\u3092\u6e2c\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u6e2c\u5b9a\u5024\u3092\u3001\u8a66\u9a13\u6761\u4ef6\u3092\u542b\u3081\u305f\u5f53\u8a72\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u8d77\u52d5\u96fb\u529b\u306e\u6700\u5c0f\u5024\u304a\u3088\u3073\u6700\u5927\u5024\u306e\u4ed5\u69d8\u5024\u3068\u6bd4\u8f03\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-97489133\">\u306b\u3064\u3044\u3066 <a href=\"https:\/\/www.thefoa.org\/tech\/ref\/quickstart\/power.html\" target=\"_blank\" rel=\"noopener\">\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u5354\u4f1a\u306e\u5149\u30d1\u30ef\u30fc\u6e2c\u5b9a\u30ac\u30a4\u30c9<\/a> \u307e\u305f\u3001\u6ce2\u9577\u88dc\u6b63\u6a5f\u80fd\u4ed8\u304d\u306e\u6e2c\u5b9a\u5668\u3001\u5bfe\u5fdc\u3059\u308b\u30a2\u30c0\u30d7\u30bf\u30fc\u3001\u52d5\u4f5c\u78ba\u8a8d\u6e08\u307f\u306e\u30c6\u30b9\u30c8\u30b1\u30fc\u30d6\u30eb\u3001\u304a\u3088\u3073\u6c5a\u308c\u306e\u306a\u3044\u30b3\u30cd\u30af\u30bf\u3082\u5fc5\u8981\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d9f396a2\">\u6e2c\u5b9a\u5668\u306e\u5165\u529b\u7bc4\u56f2\u304c\u3001\u767a\u751f\u3057\u3046\u308b\u767a\u5c04\u96fb\u529b\u3092\u5b89\u5168\u306b\u8a31\u5bb9\u3067\u304d\u308b\u5834\u5408\u3092\u9664\u304d\u3001\u9001\u4fe1\u6a5f\u3092\u691c\u51fa\u5668\u306b\u76f4\u63a5\u63a5\u7d9a\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u6e2c\u5b9a\u5668\u307e\u305f\u306f\u8a66\u9a13\u624b\u9806\u3067\u5fc5\u8981\u3068\u3055\u308c\u308b\u5834\u5408\u306f\u3001\u6240\u5b9a\u306e\u6e1b\u8870\u63aa\u7f6e\u3092\u8b1b\u3058\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-7d5fa61c\">\u30b9\u30c6\u30c3\u30d76\uff1a\u5909\u6570\u30921\u3064\u305a\u3064\u5165\u308c\u66ff\u3048\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-77802b3c\">\u540c\u3058\u30dd\u30fc\u30c8\u3067\u3001\u6b63\u5e38\u306b\u52d5\u4f5c\u3059\u308b\u3053\u3068\u304c\u78ba\u8a8d\u6e08\u307f\u3067\u3001\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u306e\u5f8c\u3001\u53ef\u80fd\u3067\u3042\u308c\u3070\u3001\u554f\u984c\u306e\u3042\u308b\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u3092\u3001\u6b63\u5e38\u306b\u52d5\u4f5c\u3059\u308b\u3053\u3068\u304c\u78ba\u8a8d\u6e08\u307f\u3067\u4e92\u63db\u6027\u306e\u3042\u308b\u5225\u306e\u30db\u30b9\u30c8\u3067\u30c6\u30b9\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-9456800c\">\u52d5\u4f5c\u30e2\u30fc\u30c9\u306f\u4e00\u5b9a\u306b\u4fdd\u3063\u3066\u304f\u3060\u3055\u3044\u3002\u7269\u7406\u30b9\u30ed\u30c3\u30c8\u3001\u30db\u30b9\u30c8\u306eSerDes\u30e2\u30fc\u30c9\u3001\u8a2d\u5b9a\u3055\u308c\u305f\u4f1d\u9001\u901f\u5ea6\u3001\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\uff0f\u30c9\u30e9\u30a4\u30d0\u306e\u5bfe\u5fdc\u72b6\u6cc1\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3001\u304a\u3088\u3073\u5149\u4ed5\u69d8\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30e2\u30b8\u30e5\u30fc\u30eb\u3001\u30b1\u30fc\u30d6\u30eb\u3001\u30dd\u30fc\u30c8\u3001\u8a2d\u5b9a\u3092\u307e\u3068\u3081\u3066\u5909\u66f4\u3059\u308b\u3068\u3001\u30b5\u30fc\u30d3\u30b9\u306f\u5fa9\u65e7\u3059\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u539f\u56e0\u3092\u7279\u5b9a\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u624b\u304c\u304b\u308a\u304c\u5931\u308f\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-9564f52d\">\u30b9\u30c6\u30c3\u30d77\uff1a\u72ec\u7acb\u3057\u305f\u8a3c\u62e0\u306b\u57fa\u3065\u3044\u3066\u5224\u65ad\u3092\u4e0b\u3059<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7d50\u679c<\/th><th>\u6700\u3082\u8aac\u5f97\u529b\u306e\u3042\u308b\u7d50\u8ad6<\/th><th>\u6b21\u306e\u30a2\u30af\u30b7\u30e7\u30f3<\/th><\/tr><\/thead><tbody><tr><td>\u30e1\u30fc\u30bf\u30fc\u306f\u4e88\u60f3\u901a\u308a\u306e\u5149\u51fa\u529b\u3092\u793a\u3057\u3066\u3044\u308b\u304c\u3001DDM\u306f\u4f9d\u7136\u3068\u3057\u3066 <code>-Inf<\/code><\/td><td>\u9001\u4fe1\u6a5f\u304b\u3089\u5149\u304c\u51fa\u3066\u3044\u308b\u3002\u8a3a\u65ad\u7d50\u679c\u307e\u305f\u306f\u30db\u30b9\u30c8\u306e\u8868\u793a\u306b\u8aa4\u308a\u304c\u3042\u308b\u3002<\/td><td>\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3068\u30c9\u30e9\u30a4\u30d0\u30fc\u306e\u66f4\u65b0\u30fb\u78ba\u8a8d\u3092\u884c\u3046\u3002\u6e2c\u5b9a\u7d50\u679c\u3068DDM\u306e\u5b8c\u5168\u306a\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3092\u4fdd\u5b58\u3059\u308b\u3002<\/td><\/tr><tr><td>\u554f\u984c\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b2\u53f0\u306e\u30db\u30b9\u30c8\u3067\u6e2c\u5b9a\u53ef\u80fd\u306a\u51fa\u529b\u304c\u5f97\u3089\u308c\u3066\u3044\u306a\u3044\u3002\u6b63\u5e38\u306b\u52d5\u4f5c\u3059\u308b\u3053\u3068\u304c\u78ba\u8a8d\u6e08\u307f\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u6b63\u5e38\u306b\u52d5\u4f5c\u3057\u3066\u3044\u308b\u3002TX Disable\u306f\u30af\u30ea\u30a2\u3055\u308c\u3066\u3044\u308b\u3002<\/td><td>\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u9001\u4fe1\u7d4c\u8def\u306e\u6545\u969c\u3092\u793a\u3059\u6709\u529b\u306a\u8a3c\u62e0<\/td><td>\u30c6\u30b9\u30c8\u8a18\u9332\u306b\u57fa\u3065\u3044\u3066\u3001RMA\u3092\u5dee\u3057\u66ff\u3048\u308b\u304b\u3001RMA\u3092\u767a\u884c\u3059\u308b<\/td><\/tr><tr><td>\u3069\u3061\u3089\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3082\u3001\u3042\u308b\u30dd\u30fc\u30c8\u3067\u306f\u51fa\u529b\u304c\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u4ed6\u306e\u30dd\u30fc\u30c8\u3067\u306f\u6b63\u5e38\u306b\u52d5\u4f5c\u3057\u3066\u3044\u307e\u3059<\/td><td>\u30db\u30b9\u30c8\u30dd\u30fc\u30c8\u3001\u30e2\u30fc\u30c9\u3001\u307e\u305f\u306f\u5236\u5fa1\u30d1\u30b9\u304c\u3001\u3088\u308a\u6709\u529b\u306a\u539f\u56e0\u5019\u88dc\u3067\u3042\u308b<\/td><td>\u30dd\u30fc\u30c8\u306e\u8a2d\u5b9a\u3001\u30c9\u30e9\u30a4\u30d0\u3001\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3001\u304a\u3088\u3073\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3092\u8abf\u67fb\u3059\u308b<\/td><\/tr><tr><td>\u30dd\u30fc\u30c8\u304c\u6709\u52b9\u306b\u306a\u3063\u305f\u5f8c\u3001\u307e\u305f\u306f\u300cTX Disable\u300d\u304c\u30af\u30ea\u30a2\u3055\u308c\u305f\u5f8c\u306b\u51fa\u529b\u304c\u8868\u793a\u3055\u308c\u307e\u3059<\/td><td>\u5143\u306e\u8aad\u307f\u53d6\u308a\u5024\u306f\u3001\u7121\u52b9\u306a\u72b6\u614b\u304b\u3089\u5f97\u3089\u308c\u305f\u3082\u306e\u3067\u3057\u305f<\/td><td>\u5236\u5fa1\u72b6\u614b\u306e\u539f\u56e0\u3092\u8a18\u9332\u3057\u3001\u30ec\u30fc\u30b6\u30fc\u306e\u6545\u969c\u3068\u307f\u306a\u3055\u306a\u3044\u3067\u304f\u3060\u3055\u3044<\/td><\/tr><tr><td>\u518d\u88c5\u7740\u3084\u6e05\u6383\u3092\u884c\u3046\u3068\u3001\u6e2c\u5b9a\u5024\u304c\u5909\u5316\u3059\u308b<\/td><td>\u63a5\u89e6\u3001\u6c5a\u67d3\u3001\u3042\u308b\u3044\u306f\u7ba1\u7406\u8005\u306e\u30a2\u30af\u30bb\u30b9\u304c\u65ad\u7d9a\u7684\u306b\u306a\u308b\u3068\u3044\u3063\u305f\u72b6\u6cc1\u304c\u8003\u3048\u3089\u308c\u308b<\/td><td>\u691c\u67fb\u3092\u7e70\u308a\u8fd4\u3057\u3066\u7d4c\u904e\u3092\u89b3\u5bdf\u3057\u3066\u304f\u3060\u3055\u3044\u30021\u56de\u306e\u56de\u5fa9\u3092\u3001\u6839\u672c\u539f\u56e0\u306e\u8a3c\u660e\u3068\u307f\u306a\u3055\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-bb78d20d\">\u6700\u3082\u6642\u9593\u3092\u6d6a\u8cbb\u3057\u3066\u3057\u307e\u3046\u30df\u30b9<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u753b\u9762\u306b\u300c\u300d\u3068\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u3068\u3044\u3046\u7406\u7531\u3060\u3051\u3067\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4ea4\u63db\u3059\u308b <code>-Inf<\/code><\/li>\n\n\n\n<li>\u6709\u9650\u56de\u306e\u30ed\u30fc\u30ab\u30ebRX\u8aad\u307f\u53d6\u308a\u7d50\u679c\u3092\u3001\u30ed\u30fc\u30ab\u30ebTX\u304c\u6a5f\u80fd\u3057\u3066\u3044\u308b\u3053\u3068\u306e\u8a3c\u62e0\u3068\u3057\u3066\u6271\u3046<\/li>\n\n\n\n<li>\u53d7\u4fe1\u7bc4\u56f2\u306e\u6b63\u78ba\u306a\u6570\u5024\u304c\u308f\u304b\u3089\u306a\u3044\u307e\u307e\u3001RX\u5024\u3092\u300c\u826f\u597d\u300d\u3068\u65ad\u5b9a\u3059\u308b\u3053\u3068<\/li>\n\n\n\n<li>TX\u30d0\u30a4\u30a2\u30b9\u304c\u30bc\u30ed\u3067\u3042\u308b\u3068\u4eee\u5b9a\u3059\u308b\u3053\u3068\u306f\u3001\u5e38\u306b\u30ec\u30fc\u30b6\u30fc\u306e\u6545\u969c\u3092\u610f\u5473\u3059\u308b<\/li>\n\n\n\n<li>\u30d5\u30a9\u30fc\u30e0\u30d5\u30a1\u30af\u30bf\u307e\u305f\u306f\u516c\u79f0\u6700\u5927\u30ec\u30fc\u30c8\u3092\u4e92\u63db\u6027\u306e\u5224\u65ad\u57fa\u6e96\u3068\u3057\u3066\u7528\u3044\u308b<\/li>\n\n\n\n<li>\u6ce2\u9577\u8a2d\u5b9a\u3001\u30a2\u30c0\u30d7\u30bf\u30fc\u3001\u307e\u305f\u306f\u30b3\u30cd\u30af\u30bf\u306e\u7814\u78e8\u72b6\u614b\u304c\u4e0d\u9069\u5207\u306a\u72b6\u614b\u3067\u306e\u6e2c\u5b9a<\/li>\n\n\n\n<li>\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u3092\u8997\u304d\u8fbc\u3093\u3067\u3001\u5149\u304c\u3042\u308b\u304b\u78ba\u8a8d\u3059\u308b<\/li>\n\n\n\n<li>\u8907\u6570\u306e\u5909\u6570\u3092\u4e00\u5ea6\u306b\u7f6e\u304d\u63db\u3048\u308b<\/li>\n\n\n\n<li>\u6b63\u78ba\u306a\u30db\u30b9\u30c8\u30e2\u30fc\u30c9\u306b\u95a2\u3059\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u306a\u3044PON 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