{"id":4909,"date":"2025-09-25T11:12:00","date_gmt":"2025-09-25T11:12:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/network-filter-lan-filter-guide\/"},"modified":"2026-06-22T06:43:54","modified_gmt":"2026-06-22T06:43:54","slug":"network-filter-lan-filter-guide","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/network-filter-lan-filter-guide","title":{"rendered":"\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d5\u30a3\u30eb\u30bf\u30fc\uff08LAN\u30d5\u30a3\u30eb\u30bf\u30fc\uff09\u3068\u306f\uff1f"},"content":{"rendered":"<h2 class=\"wp-block-heading\" >\ud83c\udf10 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d5\u30a3\u30eb\u30bf\uff08LAN\u30d5\u30a3\u30eb\u30bf\uff09\u3068\u306f\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d5\u30a3\u30eb\u30bf<\/strong> \uff08LAN\u30d5\u30a3\u30eb\u30bf\u307e\u305f\u306f\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u3068\u547c\u3070\u308c\u308b\u3053\u3068\u3082\u591a\u3044\uff09\u306f\u3001\u53d7\u52d5\u7d20\u5b50\u304b\u3089\u69cb\u6210\u3055\u308c\u308b\u30a2\u30bb\u30f3\u30d6\u30ea\u3067\u3042\u308a\u3001\u6700\u3082\u4e00\u822c\u7684\u306b\u306f <strong>\u5171\u901a\u30e2\u30fc\u30c9\u30c1\u30e7\u30fc\u30af\uff08CMC\uff09<\/strong>, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-17548-lan-transformer.htm\">\u7d76\u7e01\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u30fc<\/a>, \u3001\u304a\u3088\u3073\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u96e2\u6563\u578b\u30b3\u30f3\u30c7\u30f3\u30b5\u3084\u62b5\u6297\u7d42\u7aef\u2014\u304c\u7d44\u307f\u5408\u308f\u3055\u308c\u3066\u304a\u308a\u3001\u4e0d\u8981\u306a\u4fe1\u53f7\u3092\u6e1b\u8870\u3055\u305b\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/what-is-electromagnetic-interference\/\">\u96fb\u78c1\u59a8\u5bb3\uff08EMI\uff09<\/a> \u4e00\u65b9\u3067\u3001\u6240\u671b\u306e\u5dee\u52d5\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u4fe1\u53f7\u306f\u6700\u5c0f\u9650\u306e\u6b6a\u307f\u3067\u901a\u904e\u3055\u305b\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d5\u30a3\u30eb\u30bf\u306f\u653e\u5c04\u30a8\u30df\u30c3\u30b7\u30e7\u30f3\u3092\u4f4e\u6e1b\u3057\u3001\u5916\u90e8\u30ce\u30a4\u30ba\u306b\u5bfe\u3059\u308b\u8010\u6027\u3092\u5411\u4e0a\u3055\u305b\u3001PHY\u56de\u8def\u3092\u30b1\u30fc\u30d6\u30eb\u4f1d\u642c\u578b\u904e\u6e21\u73fe\u8c61\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >LAN\u30d5\u30a3\u30eb\u30bf\u5185\u306e\u4e3b\u306a\u69cb\u6210\u90e8\u54c1<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\u5171\u901a\u30e2\u30fc\u30c9\u30c1\u30e7\u30fc\u30af\uff08CMC\uff09\uff1a<\/strong> \u5dee\u52d5\u30da\u30a2\u306e\u4e21\u5c0e\u4f53\u306b\u5171\u901a\u3059\u308b\u30ce\u30a4\u30ba\u306b\u5bfe\u3057\u3066\u9ad8\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3092\u793a\u3059\u4e00\u65b9\u3067\u3001\u5dee\u52d5\u4fe1\u53f7\u3078\u306e\u5f71\u97ff\u306f\u307b\u3068\u3093\u3069\u3042\u308a\u307e\u305b\u3093\u3002. <\/p><\/li><li><p><strong>\u7d76\u7e01\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u30fc\uff1a<\/strong> \u30ac\u30eb\u30d0\u30cb\u30c3\u30af\u7d76\u7e01\uff08\u591a\u304f\u306e\u5834\u5408\u3001 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/ieee-802-3-ethernet-standard-explained\/\">SFP\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u691c\u51fa<\/a> \u30dd\u30fc\u30c8\u9593\u7d76\u7e01\u30ec\u30d9\u30eb\u3092\u6e80\u305f\u3059\u3088\u3046\u898f\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\uff09\u3092\u63d0\u4f9b\u3057\u3001\u5dee\u52d5\u30da\u30a2\u306e\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u30de\u30c3\u30c1\u30f3\u30b0\u306b\u3082\u5bc4\u4e0e\u3057\u307e\u3059\u3002. <\/p><\/li><li><p><strong>\u7d42\u7aef\uff0fTVS\uff0f <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/what-is-a-capacitor\/\"><strong>\u30b3\u30f3\u30c7\u30f3\u30b5<\/strong><\/a><strong> \uff08\u88dc\u52a9\u90e8\u54c1\uff09\uff1a<\/strong> ESD\uff0f\u30b5\u30fc\u30b8\u4fdd\u8b77\u306b\u4f7f\u7528\u3055\u308c\u3001PoE\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u304a\u3044\u3066\u30dc\u30d6\u30fb\u30b9\u30df\u30b9\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306a\u3069\u306e\u63a8\u5968\u7d42\u7aef\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83c\udf10 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d5\u30a3\u30eb\u30bf\u304c\u91cd\u8981\u306a\u7406\u7531\uff1aEMI\u3001\u7d76\u7e01\u3001\u4fe1\u53f7\u5b8c\u5168\u6027<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d5\u30a3\u30eb\u30bf\u306f\u3001\u4e3b\u306b\u4ee5\u4e0b\u306e3\u3064\u306e\u7406\u7531\u3067\u9069\u7528\u3055\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p><strong>EMI\u6291\u5236\uff08\u30a8\u30df\u30c3\u30b7\u30e7\u30f3\u304a\u3088\u3073\u30a4\u30df\u30e5\u30cb\u30c6\u30a3\uff09\uff1a<\/strong> CMC\u306f\u3001\u305d\u308c\u4ee5\u5916\u306e\u5834\u5408\u306b\u653e\u5c04\u307e\u305f\u306f\u8fd1\u508d\u306e\u96fb\u6e90\u306b\u3088\u308a\u8a98\u8d77\u3055\u308c\u308b\u5171\u901a\u30e2\u30fc\u30c9\u96fb\u6d41\u3092\u4f4e\u6e1b\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u88fd\u54c1\u304c <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/emc-ems-emi-electromagnetic-compatibility-susceptibility-interference\/\">EMC\/EMI<\/a> \u8a66\u9a13\u306b\u5408\u683c\u3057\u3084\u3059\u304f\u306a\u308a\u3001\u30e9\u30b8\u30aa\u53d7\u4fe1\u6a5f\u3084\u611f\u5ea6\u306e\u9ad8\u3044\u96fb\u5b50\u6a5f\u5668\u3078\u306e\u5e72\u6e09\u3082\u4f4e\u6e1b\u3055\u308c\u307e\u3059\u3002. <\/p><\/li><li><p><strong>\u7d76\u7e01\u304a\u3088\u3073\u5b89\u5168\u6027\uff1a<\/strong> \u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u7d76\u7e01\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u30fc\u306f\u3001\u898f\u683c\u3067\u8981\u6c42\u3055\u308c\u308b\u30ac\u30eb\u30d0\u30cb\u30c3\u30af\u7d76\u7e01\u30d0\u30ea\u30a2\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u591a\u304f\u306e\u8a2d\u8a08\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304a\u3088\u3073\u6a5f\u5668\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u3001\u30e9\u30a4\u30f3\u3068\u30b7\u30b9\u30c6\u30e0\u9593\u3067\u5c11\u306a\u304f\u3068\u3082 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/lan-transformer-isolation-voltage-explained\/\">\u7d76\u7e01\u96fb\u5727\u306f\u3001\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306e\u6570\u5024\u4ee5\u4e0a\u306e\u3082\u306e\u3067\u3042\u308a\u3001\u6a5f\u5668\u3001\u30e6\u30fc\u30b6\u30fc\u3001\u304a\u3088\u3073\u30b7\u30b0\u30ca\u30eb\u54c1\u8cea\u306e\u305f\u3081\u306e\u9632\u8b77\u3067\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30c7\u30d0\u30a4\u30b9\u306b\u306f <\/a>\u306e\u7d76\u7e01\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002.<\/p><\/li><li><p><strong>PHY\u30c1\u30c3\u30d7\u304a\u3088\u3073PoE\u52d5\u4f5c\u306e\u4fdd\u8b77\uff1a<\/strong> \u30d5\u30a3\u30eb\u30bf\u304a\u3088\u3073\u63a8\u5968TVS\uff0f\u7d42\u7aef\u65b9\u5f0f\u306b\u3088\u308a\u3001\u30b5\u30fc\u30b8\u304a\u3088\u3073ESD\u3078\u306e\u9732\u51fa\u304c\u5236\u9650\u3055\u308c\u3001\u7d66\u96fb\u30da\u30a2\u4e0a\u306e\u5171\u901a\u30e2\u30fc\u30c9\u6319\u52d5\u3092\u5236\u5fa1\u3059\u308b\u3053\u3068\u3067\u3001\u5b89\u5b9a\u3057\u305fPoE\u52d5\u4f5c\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u307e\u3059\u3002. <\/p><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83c\udf10 \u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30de\u30b0\u30cd\u30c6\u30a3\u30af\u30b9\u306b\u304a\u3051\u308b\u5171\u901a\u30e2\u30fc\u30c9\u30c1\u30e7\u30fc\u30af\u306e\u52d5\u4f5c\u539f\u7406<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9069\u5207\u306b\u8a2d\u8a08\u3055\u308c\u305fCMC\u306f\u3001\u5dee\u52d5\u96fb\u6d41\u304c\u78c1\u6c17\u7684\u306b\u30ad\u30e3\u30f3\u30bb\u30eb\u3055\u308c\u3001\u5171\u6a21\u96fb\u6d41\u304c\u52a0\u7b97\u3055\u308c\u308b\u3088\u3046\u306b\u5dfb\u7dda\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u610f\u56f3\u3057\u305f\u5dee\u52d5\u30c7\u30fc\u30bf\u306b\u306f\u4f4e\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u304c\u3001\u4e0d\u8981\u306a\u5171\u6a21\u30ce\u30a4\u30ba\u306b\u306f\u9ad8\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u304c\u5f97\u3089\u308c\u307e\u3059\u3002\u591a\u304f\u306eEthernet\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u306f\u3001CMC\u306f <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/452766.htm\">\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u30fc\u3068\u4e00\u4f53\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/a> \u3042\u308b\u3044\u306f\u3001\u95a2\u9023\u3059\u308b\u5468\u6ce2\u6570\u5e2f\u57df\u3067CMRR\uff08\u5171\u6a21\u9664\u53bb\u6bd4\uff09\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u3001\u30de\u30c3\u30c1\u30f3\u30b0\u6e08\u307f\u306e\u5206\u7acb\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u3057\u3066\u4f9b\u7d66\u3055\u308c\u307e\u3059\u3002\u8a2d\u8a08\u8005\u306f\u3001PoE\u96fb\u6d41\u4e0b\u3067\u306e\u98fd\u548c\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u3001\u30c8\u30ea\u30d5\u30a1\u30a4\u30e9\u30fc\u3084\u30af\u30a2\u30c9\u30e9\u30d5\u30a1\u30a4\u30e9\u30fc\u30a6\u30a3\u30f3\u30c9\u30a4\u30f3\u30b0\u304a\u3088\u3073\u9069\u5207\u306a\u30b5\u30a4\u30ba\u306e\u30b3\u30a2\u3092\u9078\u629e\u3057\u307e\u3059\u3002. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83c\udf10 \u4ee3\u8868\u7684\u306a\u7528\u9014\uff1a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d5\u30a3\u30eb\u30bf\u30fc\u304c\u4f7f\u7528\u3055\u308c\u308b\u5834\u6240<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\u6d88\u8cbb\u8005\u5411\u3051\u6a5f\u5668\u304a\u3088\u3073\u30aa\u30fc\u30c7\u30a3\u30aa\u30d5\u30a3\u30ec\u30eb\u5411\u3051\u6a5f\u5668\uff1a<\/strong> \u30a4\u30f3\u30e9\u30a4\u30f3Ethernet\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u3001IP\u30aa\u30fc\u30c7\u30a3\u30aa\u69cb\u6210\u306b\u304a\u3051\u308bRF\uff0fEMI\u306e\u8a98\u8d77\u3092\u4f4e\u6e1b\u3059\u308b\u305f\u3081\u306b\u8ca9\u58f2\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u30c7\u30b8\u30bf\u30eb\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u5909\u66f4\u3057\u307e\u305b\u3093\u304c\u3001\u5f8c\u6bb5\u306e\u30aa\u30fc\u30c7\u30a3\u30aa\u6a5f\u5668\u306b\u304a\u3044\u3066RFI\u306b\u3088\u308b\u30ce\u30a4\u30ba\u304b\u3089\u751f\u3058\u308b\u53ef\u8074\u30a2\u30fc\u30c6\u30a3\u30d5\u30a1\u30af\u30c8\u3092\u4f4e\u6e1b\u3067\u304d\u307e\u3059\u3002.<\/p><\/li><li><p><strong>\u7523\u696d\u7528Ethernet\u304a\u3088\u3073\u81ea\u52d5\u5316\uff1a<\/strong> \u53b3\u3057\u3044EMI\u74b0\u5883\u304a\u3088\u3073\u9577\u8ddd\u96e2\u30b1\u30fc\u30d6\u30eb\u914d\u7dda\u3067\u306f\u3001\u5805\u7262\u306a\u30de\u30b0\u30cd\u30c6\u30a3\u30af\u30b9\uff08\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u30fc\uff0bCMC\uff09\u304a\u3088\u3073\u30b5\u30fc\u30b8\uff0f<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/esd-protection-link-pp-smart-factory-transceivers-rj45-cage\/\">LINK-PP LPJK9436AHNL<\/a>. <\/p><\/li><li><p><strong>\u96fb\u6c17\u901a\u4fe1\u304a\u3088\u3073\u30c7\u30fc\u30bf\u901a\u4fe1\u6a5f\u5668\uff1a<\/strong> \u30b9\u30a4\u30c3\u30c1\u3001\u30eb\u30fc\u30bf\u30fc\u3001\u304a\u3088\u3073 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/what-is-phy-physical-layer-basics-explained\/\">PHY<\/a> \u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001IEEE\u306e\u7d76\u7e01\u304a\u3088\u3073EMC\u6027\u80fd\u76ee\u6a19\u3092\u6e80\u305f\u3059\u30de\u30b0\u30cd\u30c6\u30a3\u30af\u30b9\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002. <\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83c\udf10 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u9078\u5b9a\uff1a\u5b9f\u7528\u7684\u306a\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">LAN\u30d5\u30a3\u30eb\u30bf\u30fc\uff0f\u30de\u30b0\u30cd\u30c6\u30a3\u30af\u30b9\u306e\u8a55\u4fa1\u6642\u306b\u3001\u4ee5\u4e0b\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u3092\u3054\u6d3b\u7528\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Ethernet\u898f\u683c\u304a\u3088\u3073\u30c7\u30fc\u30bf\u30ec\u30fc\u30c8\u3068\u306e\u4e92\u63db\u6027\uff1a<\/strong> \u4f7f\u7528\u3059\u308b\u30ea\u30f3\u30af\u30ec\u30fc\u30c8\uff0810\uff0f100\uff0f1000\uff0f2.5G\uff0f10G\u306a\u3069\u3001\u9069\u5207\u306a\u3082\u306e\u3092\u9078\u629e\uff09\u306b\u5bfe\u5fdc\u3059\u308b\u90e8\u54c1\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u7d71\u5408\u30de\u30b0\u30cd\u30c6\u30a3\u30af\u30b9\u306f\u3001\u5404\u898f\u683c\u3054\u3068\u306b\u4ed5\u69d8\u304c\u5b9a\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002.<\/p><\/li><li><p><strong>\u7d76\u7e01\u5b9a\u683c\uff1a<\/strong> \u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u30fc\u306e\u7d76\u7e01\u6027\u80fd\uff08IEEE-802.3\u3067\u306f\u4e00\u822c\u7684\u306b\u22651500 Vrms\uff09\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002. <\/p><\/li><li><p><strong>CMRR\uff0f\u633f\u5165\u640d\u5931\uff1a<\/strong> \u5468\u6ce2\u6570\u306b\u5bfe\u3059\u308bCMRR\u3092\u78ba\u8a8d\u3057\u3001 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/insertion-loss-impact-on-rj45-magjack\/\">\u5165\u529b\u640d\u5931<\/a> \u3054\u4f7f\u7528\u306e\u52d5\u4f5c\u5e2f\u57df\u306b\u304a\u3044\u3066\u4fe1\u53f7\u52a3\u5316\u3092\u9632\u3050\u305f\u3081\u306e\u633f\u5165\u640d\u5931\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p><\/li><li><p><strong>PoE\u96fb\u6d41\u8010\u91cf\u304a\u3088\u3073\u98fd\u548c\u4f59\u88d5\uff1a<\/strong> PoE\u3092 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.rj45-modularjack.com\/news\/faqs-for-power-over-ethernet-lan-transformers-234894.html\">\u4fe1\u983c\u6027\u3068\u7523\u696d\u898f\u683c<\/a>, \u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u30c1\u30e7\u30fc\u30af\uff0f\u30b3\u30a2\u306e\u9078\u5b9a\u304c\u8981\u6c42\u3055\u308c\u308b\u76f4\u6d41\u30d0\u30a4\u30a2\u30b9\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3001\u98fd\u548c\u3057\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p><\/li><li><p><strong>\u30d1\u30c3\u30b1\u30fc\u30b8\u304a\u3088\u3073\u71b1\u7684\uff0f\u57fa\u677f\u4e0a\u306e\u5236\u7d04\uff1a<\/strong> \u30c1\u30c3\u30d7\u30bf\u30a4\u30d7\u3068\u5206\u7acb\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u6bd4\u8f03\u2014PCB\u306e\u30d5\u30c3\u30c8\u30d7\u30ea\u30f3\u30c8\u3001\u5b9f\u88c5\u65b9\u5f0f\uff08SMD\u307e\u305f\u306f\u30b9\u30eb\u30fc\u30db\u30fc\u30eb\uff09\u3001\u304a\u3088\u3073\u71b1\u6e1b\u984d\u3092\u8003\u616e\u3057\u3066\u304f\u3060\u3055\u3044\u3002. <\/p><\/li><li><p><strong>\u898f\u5236\u304a\u3088\u3073EMC\u8a66\u9a13\u5c65\u6b74\uff1a<\/strong> EMC\u8a66\u9a13\u7d50\u679c\u307e\u305f\u306f\u30d9\u30f3\u30c0\u30fc\u63d0\u4f9b\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ce\u30fc\u30c8\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u90e8\u54c1\u3084\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u63a8\u5968\u3057\u307e\u3059\u3002.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83c\udf10 \u901f\u7fd2\u30c7\u30b6\u30a4\u30f3\u30ce\u30fc\u30c8<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30de\u30b0\u30cd\u30c6\u30a3\u30af\u30b9\uff08\u30c8\u30e9\u30f3\u30b9\uff0bCMC\uff09\u3092\u3001RJ45\u30dd\u30fc\u30c8\uff0f\u30b1\u30fc\u30d6\u30eb\u5165\u529b\u90e8\u306b\u53ef\u80fd\u306a\u9650\u308a\u8fd1\u3065\u3051\u3066\u914d\u7f6e\u3057\u3001\u57fa\u677f\u4e0a\u306e\u30eb\u30fc\u30d7\u9762\u7a4d\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u307e\u3059\u3002.<\/p><\/li><li><p>\u30d9\u30f3\u30c0\u30fc\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30fb\u30ce\u30fc\u30c8\u3067\u63a8\u5968\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u4f4e\u5bb9\u91cfTVS\u30c0\u30a4\u30aa\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u5927\u5bb9\u91cf\u306f\u9ad8\u901f\u4fe1\u53f7\u306e\u30a2\u30a4\u30fb\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u3092\u4e71\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p><\/li><li><p>\u5b8c\u6210\u3057\u305fPCB\u3092\u5b9f\u6a5f\u74b0\u5883\u4e0b\u3067EMC\u304a\u3088\u3073\u5171\u6a21\u653e\u5c04\u306b\u3064\u3044\u3066\u8a66\u9a13\u3057\u307e\u3059\u3002\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u306f\u6709\u52b9\u3067\u3059\u304c\u3001\u5b9f\u969b\u306e\u30b1\u30fc\u30d6\u30eb\u914d\u7dda\u3084\u30b7\u30e3\u30fc\u30b7\u7d50\u5408\u306b\u3088\u308a\u554f\u984c\u304c\u660e\u3089\u304b\u306b\u306a\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002. <\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83c\udf10 LINK-PP\u88fd\u54c1\u306e\u9069\u7528\u7bc4\u56f2<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">LINK-PP\u306f\u5e45\u5e83\u3044\u30dd\u30fc\u30c8\u30d5\u30a9\u30ea\u30aa\u3092\u63d0\u4f9b\u3057\u307e\u3059 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-17492-integrated-rj45-connector.htm\">\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002<span style=\"color: rgb(28, 27, 31); font-size: 14px;\"> <\/span>\ud83d\udc49 LINK-PP\u3067\u306f\u3001<\/a> \u304a\u3088\u3073 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-17548-lan-transformer.htm\">LAN\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u30fc<\/a> \u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u304a\u3088\u3073PoE\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5404\u88fd\u54c1\u306b\u306f\u3001\u8a73\u7d30\u306a <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/file\/datasheet\/lp1107nl-drawing.pdf\">\u88fd\u54c1\u56f3\u9762<\/a>, \u304c\u4ed8\u5c5e\u3057\u3066\u304a\u308a\u3001\u5bfe\u5fdc\u30c7\u30fc\u30bf\u30ec\u30fc\u30c8\u3001\u7d76\u7e01\u8010\u5727\u3001\u304a\u3088\u3073PoE\u96fb\u6d41\u5b9a\u683c\u304c\u660e\u78ba\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f52f4cd9c25c44ee8e302f72220fb893.jpg\" alt=\"LAN transformers\" class=\"wp-image-4907\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f52f4cd9c25c44ee8e302f72220fb893.jpg 800w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f52f4cd9c25c44ee8e302f72220fb893-300x188.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f52f4cd9c25c44ee8e302f72220fb893-768x480.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f52f4cd9c25c44ee8e302f72220fb893-18x12.jpg 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83c\udf10 \u307e\u3068\u3081<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>A <strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d5\u30a3\u30eb\u30bf<\/strong> CMC\u3001\u30c8\u30e9\u30f3\u30b9\u3001\u4fdd\u8b77\u90e8\u54c1\u3092\u7d71\u5408\u3059\u308b\u3053\u3068\u3067\u3001EMI\u3092\u4f4e\u6e1b\u3057\u3001\u4fe1\u53f7\u6574\u5408\u6027\u3092\u7dad\u6301\u3059\u308b\u3068\u3068\u3082\u306b\u3001\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30dd\u30fc\u30c8\u306e\u7d76\u7e01\uff0f\u5b89\u5168\u898f\u683c\u3092\u6e80\u305f\u3057\u307e\u3059\u3002. <\/p><\/li><li><p>\u30c7\u30fc\u30bf\u30ec\u30fc\u30c8\u3001PoE\u8981\u4ef6\u3001EMI\u76ee\u6a19\u306b\u9069\u5408\u3059\u308b\u30d5\u30a3\u30eb\u30bf\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u660e\u78ba\u306a\u7d76\u7e01\u6027\u80fd\u304a\u3088\u3073CMRR\u4ed5\u69d8\u3092\u6709\u3057\u3001\u5b9f\u8a3c\u6e08\u307f\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u512a\u5148\u3057\u3066\u304f\u3060\u3055\u3044\u3002. <\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83c\udf10 \u53c2\u8003\u6587\u732e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u7528\u30de\u30b0\u30cd\u30c6\u30a3\u30af\u30b9\u3001\u30d5\u30a3\u30eb\u30bf\u3001\u304a\u3088\u3073EMC\uff0fEMI\u8a2d\u8a08\u306b\u95a2\u3059\u308b\u3088\u308a\u8a73\u7d30\u306a\u6280\u8853\u30ac\u30a4\u30c9\u306b\u3064\u3044\u3066\u306f\u3001LINK-PP\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/insertion-loss-impact-on-rj45-magjack\/\">RJ45\u30de\u30b0\u30b8\u30e3\u30c3\u30af\u306b\u304a\u3051\u308b\u633f\u5165\u640d\u5931\u306e\u5f71\u97ff<\/a><\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/what-is-phy-physical-layer-basics-explained\/\">PHY\uff08\u7269\u7406\u5c64\uff09\u3068\u306f\uff1f \u57fa\u790e\u77e5\u8b58\u306e\u89e3\u8aac<\/a><\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/emc-ems-emi-electromagnetic-compatibility-susceptibility-interference\/\">EMC\u3001EMS\u3001EMI\uff1a\u96fb\u78c1\u4e21\u7acb\u6027\u3001\u8010\u6027\u3001\u5e72\u6e09<\/a><\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/what-is-electromagnetic-interference\/\">\u96fb\u78c1\u5e72\u6e09\uff08EMI\uff09\u3068\u306f\u4f55\u304b<\/a><\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/esd-protection-link-pp-smart-factory-transceivers-rj45-cage\/\">LINK-PP\u30b9\u30de\u30fc\u30c8\u30d5\u30a1\u30af\u30c8\u30ea\u30fc\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u304a\u3088\u3073RJ45\u30b1\u30fc\u30b8\u306b\u304a\u3051\u308b\u9759\u96fb\u6c17\u653e\u96fb\uff08ESD\uff09\u4fdd\u8b77<\/a><\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/lan-transformer-isolation-voltage-explained\/\">LAN\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u306e\u7d76\u7e01\u8010\u5727\u306e\u89e3\u8aac<\/a><\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/ieee-802-3-ethernet-standard-explained\/\">IEEE 802.3 Ethernet\u6a19\u6e96\u3092\u8aac\u660e<\/a><\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/what-is-a-capacitor\/\">\u30b3\u30f3\u30c7\u30f3\u30b5\u3068\u306f\u4f55\u304b<\/a><\/p><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u89e3\u8aac\uff1aLAN\u30d5\u30a3\u30eb\u30bf\u30fc\u304a\u3088\u3073Ethernet\u5171\u901a\u30e2\u30fc\u30c9\u30c1\u30e7\u30fc\u30af\u306e\u6a5f\u80fd\u3001EMI\u5bfe\u7b56\u3001\u7d76\u7e01\u3001PoE\u5bfe\u5fdc\u306b\u304a\u3051\u308b\u91cd\u8981\u6027\u3001\u304a\u3088\u3073\u9069\u5207\u306aRJ45\u30de\u30b0\u30cd\u30c6\u30a3\u30af\u30b9\u306e\u9078\u5b9a\u65b9\u6cd5\u3002.<\/p>","protected":false},"author":1,"featured_media":4908,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[22,23],"class_list":["post-4909","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-integrated-rj45-connectors","tag-link-pp-lan-transformers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts\/4909","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/comments?post=4909"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts\/4909\/revisions"}],"predecessor-version":[{"id":11071,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts\/4909\/revisions\/11071"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/media\/4908"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/media?parent=4909"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/categories?post=4909"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/tags?post=4909"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}