{"id":17727,"date":"2026-10-24T09:30:00","date_gmt":"2026-10-24T01:30:00","guid":{"rendered":"https:\/\/www.premlink.net\/?p=17727"},"modified":"2026-10-23T16:19:18","modified_gmt":"2026-10-23T08:19:18","slug":"choosing-a-wdm-edfa-guide","status":"publish","type":"post","link":"https:\/\/www.premlink.net\/zh\/choosing-a-wdm-edfa-guide\/","title":{"rendered":"\u9009\u62e9WDM EDFA\uff1a\u6211\u4eec\u5728\u8fd0\u8425\u5546\u8d2d\u4e70\u524d\u7ed9\u4ed6\u4eec\u7684\u5efa\u8bae"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/www.premlink.net\/wp-content\/uploads\/2026\/10\/WDM-EDFA-SELECTION_1792740530743_3lxe.webp\" alt=\"\u4e3a\u60a8\u7684PON\u7f51\u7edc\u9009\u62e9WDM EDFA\" style=\"max-width:100%; height:auto;\"><\/p>\n<p><strong>\u7b80\u800c\u8a00\u4e4b<\/strong>: WDM EDFA\uff08WDM PON EDFA \/ EDFA PON \u5408\u8def\u5668\uff09\u53ef\u5c06\u60a8\u7684 1550 nm \u6709\u7ebf\u7535\u89c6\u89c6\u9891\u4fe1\u53f7\u4e0e xPON \u6570\u636e\uff08GPON \/ XGSPON \/ 50G-PON\uff09\u4f20\u8f93\u81f3\u540c\u4e00\u6839\u5149\u7ea4\u4e0a\u3002 \u5f53\u6709\u4eba\u5411\u6211\u4eec\u54a8\u8be2\u591a\u7aef\u53e3\u914d\u7f6e\u65f6\uff0c\u6709\u4e09\u4e2a\u56e0\u7d20\u51b3\u5b9a\u6700\u7ec8\u65b9\u6848\uff1a <strong>\u60a8\u7684\u5206\u6d41\u6bd4\u5b9e\u9645\u4e0a\u9700\u8981\u6bcf\u4e2a\u7aef\u53e3\u8f93\u51fa\u591a\u5c11<\/strong>, <strong>\u8be5\u76f4\u901a\u529f\u80fd\u652f\u6301\u7b2c\u51e0\u4ee3PON<\/strong>, \uff0c\u4ee5\u53ca <strong>\u673a\u67b6\/\u63a5\u53e3\u9002\u914d\uff082U\uff0cLC\/APC\uff09<\/strong>. \u5bf9\u4e8eOn Premlink\u7684WDM PON EDFA\uff0c\u5b9e\u9645\u53c2\u8003\u503c\u4e3a\u5178\u578b\u7684\u226518 dBm\u8f93\u51fa\uff0c\u8f93\u5165\u7a97\u53e3\u8303\u56f4\u4e3a-10\u81f3+10 dBm\u3002 \u6211\u4eec\u7ed9\u5927\u591a\u6570FTTH\u8fd0\u8425\u5546\u7684\u4e00\u6761\u8bda\u6073\u5efa\u8bae\u662f\uff1a\u4ece\u5c0f\u89c4\u6a21\u5f00\u59cb\uff0c\u5148\u5728\u4e00\u4e2a\u670d\u52a1\u533a\u57df\u9a8c\u8bc1\u5c04\u9891\u89c6\u9891\u53e0\u52a0\u529f\u80fd\u662f\u5426\u53ef\u884c\uff0c\u7136\u540e\u518d\u6269\u5927\u89c4\u6a21\u2014\u2014\u4e0d\u8981\u5728\u9879\u76ee\u542f\u52a8\u4e4b\u521d\u5c31\u8fc7\u5ea6\u91c7\u8d2d\u3002.<\/p>\n<h2>\u4e3a\u4ec0\u4e48\u5c0f\u578b\u591a\u7aef\u53e3\u8bbe\u5907\u5728\u8d77\u6b65\u9636\u6bb5\u5f80\u5f80\u6bd4\u5927\u578b\u8bbe\u5907\u66f4\u80dc\u4e00\u7b79<\/h2>\n<p>\u5927\u591a\u6570FTTH\u5efa\u8bbe\u9879\u76ee\u90fd\u662f\u4ee5\u540c\u6837\u7684\u65b9\u5f0f\u5f00\u59cb\u7684\u3002OLT\u5df2\u6295\u5165\u8fd0\u884c\uff0c\u5206\u8def\u5668\u5df2\u89c4\u5212\u5230\u4f4d\uff0c\u8fd0\u8425\u5546\u5e0c\u671b\u5728\u4e0d\u94fa\u8bbe\u65b0\u5149\u7ea4\u7684\u60c5\u51b5\u4e0b\u6dfb\u52a0\u5c04\u9891\u89c6\u9891\u53e0\u52a0\uff081550 nm\uff09\u3002\u672c\u80fd\u7684\u53cd\u5e94\u662f\u8ba2\u8d2d\u5bb9\u91cf\u6700\u5927\u7684\u8bbe\u5907\u3002 \u6839\u636e\u6211\u4eec\u7684\u7ecf\u9a8c\uff0c\u66f4\u660e\u667a\u7684\u7b2c\u4e00\u6b65\u662f\u9009\u7528\u8f83\u5c0f\u7684\u591a\u7aef\u53e3\u8bbe\u5907\uff1a\u5148\u542f\u7528\u4e00\u4e2a\u5206\u8def\u5668\u670d\u52a1\u533a\uff0c\u9a8c\u8bc1\u53e0\u52a0\u4fe1\u53f7\u80fd\u5426\u6ee1\u8db3MER\/CNR\u6307\u6807\uff0c\u786e\u8ba4\u5176\u6b63\u5e38\u8fd0\u884c\u540e\uff0c\u518d\u8fdb\u884c\u89c4\u6a21\u6269\u5c55\u3002.<\/p>\n<p>\u591a\u7aef\u53e3 WDM EDFA \u7684\u771f\u6b63\u4ef7\u503c\u5728\u4e8e\u5b83 <strong>\u5728\u4fdd\u6301\u6bcf\u7aef\u53e3\u7ba1\u7406\u529f\u80fd\u7684\u540c\u65f6\uff0c\u4ee5\u6700\u5c0f\u7684\u5360\u5730\u9762\u79ef\u8986\u76d6\u5178\u578b\u7684PON\u670d\u52a1\u533a\u57df<\/strong>. \u8fd9\u5e76\u4e0d\u662f\u201c\u4e00\u4e2a\u8f83\u5f31\u7684\u5927\u578b\u5355\u5143\u201d\u3002\u5e94\u6839\u636e\u5b9e\u9645\u9700\u6c42\u5206\u5e03\u6765\u8bbe\u5b9a\u8d44\u672c\u652f\u51fa\uff0c\u5e76\u4ec5\u5728\u8bd5\u70b9\u53d6\u5f97\u6210\u529f\u540e\u624d\u8fdb\u884c\u6269\u5efa\u3002.<\/p>\n<h2>\u771f\u6b63\u51b3\u5b9a\u9009\u62e9\u7684\u4e09\u4e2a\u53c2\u6570<\/h2>\n<h3>1. \u6839\u636e\u60a8\u7684\u62c6\u5206\u6bd4\u4f8b\u8ba1\u7b97\u7684\u6bcf\u4e2a\u7aef\u53e3\u7684\u8f93\u51fa\u91cf<\/h3>\n<p>\u8fd9\u6b63\u662f\u4eba\u4eec\u5e38\u4f1a\u5ffd\u7565\u5374\u53c8\u540e\u6094\u7684\u73af\u8282\u3002\u5e94\u5173\u6ce8\u8f93\u51fa\u529f\u7387\u4e0e\u5206\u8def\u6bd4\u53ca\u4f20\u8f93\u8ddd\u79bb\u7684\u5173\u7cfb\uff0c\u800c\u975e\u4ec5\u770b\u6570\u636e\u8868\u4e2d\u7684\u6807\u79f0\u6570\u503c\u3002\u4ee5Premlink\u7684WDM PON EDFA\u4e3a\u4f8b\uff0c\u5176\u5178\u578b\u8f93\u51fa\u529f\u7387\u4e3a\u226518 dBm\uff0c\u8f93\u5165\u7a97\u53e3\u8303\u56f4\u4e3a-10\u81f3+10 dBm\u2014\u2014\u8fd9\u4e24\u9879\u6570\u636e\u5747\u76f4\u63a5\u53d6\u81ea <a href=\"https:\/\/www.premlink.net\/zh\/product\/wdm-edfa\/\">\u4ea7\u54c1\u9875\u9762<\/a>.<\/p>\n<p>\u4f5c\u4e3a\u5927\u81f4\u7684\u9002\u7528\u8303\u56f4\uff08\u884c\u4e1a\u6807\u51c6\u7684\u635f\u8017\u6570\u636e\u3001FOA\/ITU-T\u5e94\u7528\u503c\uff09\uff1a<\/p>\n<table>\n<tr>\n<th>\u573a\u666f<\/th>\n<th>\u4f60\u5927\u81f4\u9700\u8981\u7684\u8f93\u51fa<\/th>\n<th>\u6ce8\u91ca<\/th>\n<\/tr>\n<tr>\n<td>1\u00d764\u5206\u8def\uff0c\u77ed\u8de8\u8ddd\uff08\u22645\u516c\u91cc\uff09<\/td>\n<td>~16-18 dBm<\/td>\n<td>\u53ef\u884c\u7684<\/td>\n<\/tr>\n<tr>\n<td>1\u00d732\u5206\u8def\uff0c\u4e2d\u7b49\u8de8\u5ea6\uff0810-20\u516c\u91cc\uff09<\/td>\n<td>~17-19 dBm<\/td>\n<td>\u6700\u5e38\u89c1\u7684<\/td>\n<\/tr>\n<tr>\n<td>\u957f\u884c\u7a0b\u6216\u7ea7\u8054\u7ea7<\/td>\n<td>~19-21 dBm<\/td>\n<td>\u664b\u5347\u4e00\u4e2a\u7ea7\u522b<\/td>\n<\/tr>\n<\/table>\n<p>\u9677\u9631\uff1a\u6839\u636e\u6700\u5927\u60c5\u51b5\u6765\u786e\u5b9a\u5bb9\u91cf\uff0c\u610f\u5473\u7740\u8981\u4e3a\u6c38\u8fdc\u7528\u4e0d\u5230\u7684\u8f93\u51fa\u4ed8\u8d39\uff0c\u5e76\u589e\u52a0SBS\u98ce\u9669\u3002\u5e94\u6839\u636e\u5b9e\u9645\u5206\u6d41\u6bd4\u6765\u786e\u5b9a\u5bb9\u91cf\uff0c\u5e76\u4fdd\u75593 dB\u7684\u4f59\u91cf\u3002.<\/p>\n<h3>2. \u8be5\u76f4\u901a\u8bbe\u5907\u652f\u6301\u54ea\u4e00\u4ee3PON<\/h3>\n<p>\u201c\u4f20\u9012\u503c\u201d\u51b3\u5b9a\u4e86\u8be5\u5355\u4f4d\u5728\u65e0\u9700\u91cd\u65b0\u8d2d\u4e70\u7684\u60c5\u51b5\u4e0b\u8fd8\u80fd\u4fdd\u6301\u591a\u957f\u65f6\u95f4\u7684\u53ef\u7528\u6027\uff1a<\/p>\n<ul>\n<li>\u65e7\u5f0f\u7f51\u7edc\uff1aGPON\/EPON \u901a\u8fc7\uff081310\/1490 nm\uff09<\/li>\n<li>\u73b0\u4ee3\uff1a <strong>XGSPON \/ \u7ec4\u5408\u5f0fPON<\/strong> (1270\/1310 nm \u4e0a\u884c\uff0c1490\/1577 nm \u4e0b\u884c)<\/li>\n<li>\u5373\u5c06\u63a8\u51fa\uff1a50G-PON\uff081286\/1600 nm\uff09<\/li>\n<\/ul>\n<p>\u6211\u4eec\u7684\u9ed8\u8ba4\u5efa\u8bae\uff1a <strong>\u9009\u62e9\u4e00\u6b3e\u901a\u8fc7XGSPON\u6d4b\u8bd5\u7684\u673a\u578b<\/strong>. \u5b83\u8fd8\u652f\u6301GPON\uff0c\u56e0\u6b64\u4e24\u4e09\u5e74\u540e\u7f51\u7edc\u5347\u7ea7\u65f6\uff0c\u60a8\u4e0d\u5fc5\u628a\u8fd9\u4e2a\u8bbe\u5907\u6254\u6389\u3002.<\/p>\n<h3>3. \u673a\u67b6\u3001\u63a5\u53e3\u548c\u7535\u6e90<\/h3>\n<ul>\n<li>U\u9ad8\u5ea6\uff1a\u591a\u7aef\u53e3\u8bbe\u5907\u901a\u5e38\u5360\u75281U\u62162U\u7a7a\u95f4\u2014\u2014\u8bf7\u786e\u8ba4\u60a8\u7684OLT\u673a\u67b6\u786e\u5b9e\u6709\u8db3\u591f\u7684\u7a7a\u95f4\u3002.<\/li>\n<li>\u63a5\u53e3\uff1aXGSPON\u76f4\u901a\u578b\u673a\u578b\u901a\u5e38\u91c7\u7528LC\/APC\u63a5\u53e3\uff1b\u8f83\u65e7\u7684GPON\u8bbe\u5907\u5219\u5e38\u91c7\u7528SC\/APC\u63a5\u53e3\u3002\u63a5\u53e3\u4e0d\u5339\u914d\u5c31\u9700\u8981\u4f7f\u7528\u9002\u914d\u5668\uff0c\u800c\u9002\u914d\u5668\u4f1a\u5e26\u6765\u989d\u5916\u7684\u635f\u8017\u548c\u6545\u969c\u70b9\u3002.<\/li>\n<li>\u7535\u6e90\uff1a\u8bf7\u5728\u73b0\u573a\u786e\u8ba4\u662f\u4ea4\u6d41\u7535\u8fd8\u662f\u76f4\u6d41\u7535\uff0c\u4ee5\u53ca\u662f\u5426\u9700\u8981\u53cc\u7535\u6e90\u5197\u4f59\u3002.<\/li>\n<\/ul>\n<h2>\u5e03\u7ebf\uff1a\u56db\u79cd\u80fd\u51cf\u5c11\u6545\u969c\u7684\u4e60\u60ef<\/h2>\n<p>1. <strong>\u63d2\u4e0a\u7535\u6e90\u524d\u8bf7\u5148\u6e05\u6d01\u3002.<\/strong> \u810f\u6c61\u7684\u7aef\u9762\u662fFTTH\u4e2d\u6700\u5e38\u89c1\u7684\u9690\u6027\u6545\u969c\u3002\u53d7\u6c61\u67d3\u7684\u7aef\u9762\u4f1a\u4f7f\u539f\u672c0.5 dB\u7684\u8fde\u63a5\u635f\u8017\u589e\u52a0\u81f33 dB\u4ee5\u4e0a\uff0c\u5e76\u89e6\u53d1\u56de\u6ce2\u635f\u8017\u544a\u8b66\u3002.<\/p>\n<p>2. <strong>\u6b63\u786e\u5224\u65ad\u4fe1\u53f7\u65b9\u5411\u3002.<\/strong> \u5c06 1550 nm \u7684\u6709\u7ebf\u7535\u89c6\u4fe1\u53f7\u8f93\u5165\u5230 EDFA\uff0c\u653e\u5927\u540e\u8f93\u51fa\u81f3 WDM \u5408\u8def\u7ea7\uff1b\u5c06 xPON \u76f4\u901a\u7aef\u53e3\u4fdd\u6301\u4e3a\u65e0\u6e90\u76f4\u901a\u6a21\u5f0f\uff0c\u4e0d\u8981\u5c06\u5176\u53cd\u5411\u8fde\u63a5\u3002.<\/p>\n<p>3. <strong>\u5c06\u673a\u7bb1\u63a5\u5730\u3002.<\/strong> \u5b83\u53ef\u907f\u514d\u5f71\u54cd\u4fe1\u566a\u6bd4\uff08CNR\uff09\u7684\u5171\u6a21\u5e72\u6270\u3002.<\/p>\n<p>4. <strong>\u901a\u7535\u540e\u8bf7\u68c0\u67e5\u7f51\u7edc\u8fde\u63a5\u3002.<\/strong> \u786e\u8ba4\u6bcf\u4e2a\u7aef\u53e3\u7684\u8f93\u51fa\u503c\u4e0e\u8bbe\u5b9a\u503c\u4e00\u81f4\uff08\u8be5\u8bbe\u5907\u4ee5\u5fae\u5c0f\u589e\u91cf\u9010\u6b65\u8c03\u6574\u8f93\u51fa\uff09\uff0c\u5e76\u786e\u8ba4\u62a5\u8b66\u5df2\u590d\u4f4d\u3002.<\/p>\n<h2>\u5f53\u4e00\u4e2a\u5c0f\u5355\u4f4d\u4e0d\u591f\u7528\u65f6<\/h2>\n<p>\u5f53\u67d0\u4e2a\u670d\u52a1\u533a\u57df\u7684ONU\u6570\u91cf\u8d85\u8fc7\u4e86\u60a8\u8bbe\u5b9a\u7684\u6bcf\u7aef\u53e3\u5206\u914d\u4e0a\u9650\uff0c\u6216\u8005\u60a8\u9700\u8981\u5c06\u5c04\u9891\u53e0\u52a0\u6269\u5c55\u5230\u66f4\u591a\u533a\u57df\u65f6\uff0c\u8bf7\u5347\u7ea7\u81f38\u7aef\u53e3\u300116\u7aef\u53e3\u6216\u66f4\u9ad8\u89c4\u683c\u7684\u8bbe\u5907\u3002\u6211\u4eec\u5efa\u8bae\u91c7\u53d6\u4ee5\u4e0b\u5408\u7406\u65b9\u6848\uff1a <strong>\u5148\u8fd0\u884c4\u7aef\u53e3\uff08\u6216\u5c0f\u578b\u591a\u7aef\u53e3\uff09\u914d\u7f6e\uff0c\u9a8c\u8bc1\u53e0\u52a0\u7f51\u7edc\u4e0a\u7684MER\/CNR\uff0c\u7136\u540e\u8fdb\u884c\u6269\u5c55\u3002.<\/strong> \u5927\u591a\u6570FTTH\u9879\u76ee\u90fd\u662f\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\u964d\u4f4e\u98ce\u9669\u7684\uff0c\u800c\u4e14\u4fee\u590d\u4e00\u4e2a\u8bd5\u70b9\u9879\u76ee\u6bd4\u4fee\u590d\u6574\u4e2a\u8f66\u961f\u66f4\u4fbf\u5b9c\u3002.<\/p>\n<h2>\u63a8\u8350\u9605\u8bfb<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.premlink.net\/zh\/wdm-pon-edfa-eydfa\/\">WDM PON EDFA\/EYDFA \u7cfb\u5217<\/a> \u2014 \u5168\u7cfb\u5217\u4ea7\u54c1\u53ca\u4e09\u79cd\u653e\u5927\u6a21\u5f0f<\/li>\n<li><a href=\"https:\/\/www.premlink.net\/zh\/product\/wdm-edfa\/\">\u5e26GPON\u5408\u6ce2\u5668\u7684WDM EDFA<\/a> \u4ee5\u53ca <a href=\"https:\/\/www.premlink.net\/zh\/product\/xgspon-edfa\/\">GPON \u548c XGSPON \u5149\u7ea4\u589e\u76ca\u653e\u5927\u5668 (EDFA)<\/a><\/li>\n<\/ul>\n<h2>\u5e38\u95ee\u95ee\u9898<\/h2>\n<p><strong>\u95ee\uff1a\u591a\u7aef\u53e3 WDM EDFA \u4e0e\u6807\u51c6 CATV EDFA \u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/strong><\/p>\n<p>\u7b54\uff1a\u6807\u51c6\u7684CATV EDFA\u4ec5\u653e\u59271550 nm\u6ce2\u957f\u3002WDM PON EDFA\u5219\u662f\u7531\u653e\u5927\u5668\u4e0eWDM\u5408\u6ce2\u5668\u7ec4\u5408\u800c\u6210\u7684\u8bbe\u5907\u2014\u2014\u5b83\u5c06\u653e\u5927\u76841550 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