{"id":17728,"date":"2026-10-25T09:30:00","date_gmt":"2026-10-25T01:30:00","guid":{"rendered":"https:\/\/www.premlink.net\/?p=17728"},"modified":"2026-10-23T16:19:22","modified_gmt":"2026-10-23T08:19:22","slug":"catv-optical-transmitter-selection-guide","status":"publish","type":"post","link":"https:\/\/www.premlink.net\/zh\/catv-optical-transmitter-selection-guide\/","title":{"rendered":"\u6709\u7ebf\u7535\u89c6\u5149\u53d1\u5c04\u673a\u9009\u578b\uff1a\u76f4\u63a5\u8c03\u5236\u4e0e\u5916\u90e8\u8c03\u5236\u7684\u5bf9\u6bd4\u53ca\u6240\u9700\u529f\u7387"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/www.premlink.net\/wp-content\/uploads\/2026\/10\/transmitter_1792740530743_4gmh.webp\" alt=\"\u6709\u7ebf\u7535\u89c6\u5149\u53d1\u5c04\u673a\u9009\u578b\uff1a\u76f4\u63a5\u8c03\u5236\u4e0e\u5916\u90e8\u8c03\u5236\u5bf9\u6bd4\" style=\"max-width:100%; height:auto;\"><\/p>\n<p><strong>\u7b80\u800c\u8a00\u4e4b<\/strong>: \u4e3a\u6709\u7ebf\u7535\u89c6\/\u6df7\u5408\u5149\u7ea4-\u540c\u8f74\uff08HFC\uff09\u7f51\u7edc\u9009\u62e9\u5149\u53d1\u5c04\u673a\uff0c\u5f52\u6839\u7ed3\u5e95\u53d6\u51b3\u4e8e\u4e09\u4e2a\u5173\u952e\u56e0\u7d20\u2014\u2014<strong>\u6ce2\u957f\uff081310 \u4e0e 1550 \u7eb3\u7c73\uff09<\/strong>, <strong>\u8c03\u5236\uff08\u76f4\u63a5\u8c03\u5236\u4e0e\u5916\u90e8\u8c03\u5236\uff0c\u8fd9\u51b3\u5b9a\u4e86\u4f60\u7684\u8986\u76d6\u8303\u56f4\uff09<\/strong>, \uff0c\u4ee5\u53ca <strong>\u8f93\u51fa\u529f\u7387\u914d\u7f6e\uff08\u51b3\u5b9a\u53ef\u4f9b\u7535\u7684\u8282\u70b9\u6570\u91cf\uff09<\/strong>. 1310 nm \u76f4\u63a5\u8c03\u5236\u6210\u672c\u4f4e\u5ec9\uff0c\u5728\u7ea6 20 km \u4ee5\u5185\u8868\u73b0\u826f\u597d\u30021550 nm \u76f4\u63a5\u8c03\u5236\u662f\u4e00\u79cd\u6298\u4e2d\u65b9\u6848\uff0c\u4f46\u4f1a\u9047\u5230\u8272\u6563\u58c1\u5792\u3002 1550 nm \u5916\u8c03\u5236\u662f\u4e00\u79cd\u6210\u672c\u8f83\u9ad8\u7684\u65b9\u6848\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe 65 km \u4ee5\u4e0a\uff0c\u4e14\u80fd\u6700\u597d\u5730\u4fdd\u6301 CTB\/CSO \u6027\u80fd\u2014\u2014\u8fd9\u6b63\u662f\u957f\u8ddd\u79bb\u4f20\u8f93\u548c\u5927\u91cf\u5206\u8def\u6240\u9700\u8981\u7684\u3002\u5728\u8f93\u51fa\u7aef\uff0c, <strong>\u6bcf\u589e\u52a0 3 dB\uff0c\u53ef\u652f\u6301\u7684\u97f3\u91cf\u5927\u81f4\u4f1a\u7ffb\u4e00\u756a<\/strong>. Premlink \u7684 PL \u7cfb\u5217\u6db5\u76d6\u4e86\u8fd9\u4e09\u6b3e\u4ea7\u54c1\uff1a PL1310A\uff086\u201324 mW \/ 1310\uff09\u3001PL1550A\uff086\u201312 mW \/ 1550 \u76f4\u8fde\uff09\u3001PL1550T\uff08\u53cc\u7aef\u53e3 7\u201310 dBm \/ 1550 \u5916\u63a5\uff09\u3002.<\/p>\n<h2>\u4ece\u5b9e\u9645\u5e94\u7528\u5165\u624b\uff0c\u800c\u4e0d\u662f\u4ece\u6570\u636e\u624b\u518c\u5f00\u59cb<\/h2>\n<p>\u5728\u9009\u62e9\u53d1\u5c04\u673a\u65f6\uff0c\u9996\u8981\u8003\u8651\u7684\u56e0\u7d20\u4e0e\u6280\u672f\u53c2\u6570\u8868\u65e0\u5173\u2014\u2014\u800c\u662f\u94fe\u8def\u957f\u5ea6\u3002.<\/p>\n<table>\n<tr>\n<th>\u94fe\u63a5\u957f\u5ea6<\/th>\n<th>\u9996\u9009<\/th>\n<th>\u4e3a\u4ec0\u4e48<\/th>\n<\/tr>\n<tr>\n<td>\u2264 12\u201315 \u516c\u91cc<\/td>\n<td>1310 nm \u76f4\u901a<\/td>\n<td>\u6700\u4fbf\u5b9c\uff1b\u8272\u6563\u4e0d\u662f\u95ee\u9898<\/td>\n<\/tr>\n<tr>\n<td>15\u201325 \u516c\u91cc<\/td>\n<td>1550 nm \u76f4\u901a<\/td>\n<td>\u4ef7\u683c\u4f4e\u5ec9\u4e14\u53ef\u884c\uff0c\u4f46\u5df2\u63a5\u8fd1\u8272\u6563\u6781\u9650<\/td>\n<\/tr>\n<tr>\n<td>&gt;25 \u516c\u91cc\uff08\u6216\u4e25\u91cd\u5206\u6bb5\uff09<\/td>\n<td>1550 nm \u5916\u90e8<\/td>\n<td>\u66f4\u8f7b\u7684\u5206\u6563\u5668 + \u7a84\u7ebf\u5bbd\u6fc0\u5149\u5668\uff1b\u53ef\u5728\u8fdc\u5904\u4fdd\u6301CTB<\/td>\n<\/tr>\n<\/table>\n<p><strong>\u4e3a\u4ec0\u4e48\u6ce2\u957f\u51b3\u5b9a\u4e86\u8c03\u5236\uff1f<\/strong> \u8272\u6563\u968f\u6ce2\u957f\u800c\u53d8\u5316\u3002\u57281310 nm\u9644\u8fd1\uff0c\u8272\u6563\u63a5\u8fd1\u4e8e\u96f6\uff0c\u56e0\u6b64\u5728\u6b64\u6ce2\u957f\u4e0b\u8fdb\u884c\u76f4\u63a5\u8c03\u5236\u51e0\u4e4e\u4e0d\u4f1a\u9020\u6210\u4efb\u4f55\u635f\u5931\u3002\u800c\u57281550 nm\u5904\uff0c\u8272\u6563\u7cfb\u6570\u8f83\u9ad8\uff0c\u76f4\u63a5\u8c03\u5236\u6fc0\u5149\u5668\u7684 <strong>\u557e\u557e\u58f0<\/strong> \u968f\u7740\u8ddd\u79bb\u7684\u589e\u52a0\uff0c\u8fd9\u79cd\u6548\u5e94\u4f1a\u9010\u6e10\u7d2f\u79ef\u5e76\u5bfc\u81f4\u6027\u80fd\u9000\u5316\u3002\u8981\u60f3\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u4f20\u8f93\uff0c\u5c31\u9700\u8981\u5916\u90e8\u8c03\u5236\u2014\u2014\u5373\u91c7\u7528\u7ebf\u5bbd\u8f83\u7a84\u7684\u5149\u6e90\uff0c\u5e76\u914d\u5408\u4e00\u4e2a\u80fd\u6291\u5236\u8be5\u5541\u557e\u6548\u5e94\u7684\u5916\u90e8\u8c03\u5236\u5668\u3002\u8fd9\u5c31\u662f\u5916\u90e81550\u6ce2\u957f\u8bbe\u5907\u80fd\u591f\u8986\u76d665\u516c\u91cc\u4ee5\u4e0a\u8ddd\u79bb\uff0c\u800c\u76f4\u63a5\u4f20\u8f93\u8bbe\u5907\u5374\u96be\u4ee5\u505a\u5230\u7684\u6280\u672f\u539f\u56e0\u3002.<\/p>\n<h2>\u529f\u7387\u8f93\u51fa\u4f30\u7b97\uff1adBm \u4e0e mW \u7684\u5bf9\u6bd4\uff0c\u4ee5\u53ca\u4f55\u65f6\u624d\u7b97\u201c\u8db3\u591f\u201d<\/h2>\n<p>\u53d1\u5c04\u673a\u529f\u7387\u901a\u5e38\u6807\u6ce8\u4e3a <strong>dBm<\/strong> \uff08\u5bf9\u6570\uff09\u6216 <strong>mW<\/strong> \uff08\u7ebf\u6027\uff09\u3002\u9009\u62e9\u8bef\u5dee\u5c31\u51fa\u5728\u8fd9\u91cc\uff0c\u56e0\u6b64\u6709\u4e24\u4e2a\u951a\u70b9\uff1a<\/p>\n<ul>\n<li><strong>0 dBm \u2248 1 mW<\/strong><\/li>\n<p>\u2013 <strong>0 dBm \u2248 1 mW<\/strong><\/p>\n<li><strong>\u529f\u7387\u7ffb\u500d = +3 dBm<\/strong> \uff08\u51cf\u534a = -3 dBm\uff09<\/li>\n<p>\u2013 <strong>\u529f\u7387\u7ffb\u500d = +3 dBm<\/strong> \uff08\u51cf\u534a = -3 dBm\uff09<\/p>\n<\/ul>\n<p>Premlink\u7684\u4e09\u7ea7\u5b9e\u9645\u8f93\u51fa\uff08\u6765\u81ea\u4ea7\u54c1\u9875\u9762\uff09\uff1a<\/p>\n<table>\n<tr>\n<th>\u578b\u53f7<\/th>\n<th>\u6ce2\u957f<\/th>\n<th>\u8c03\u5236<\/th>\n<th>\u8f93\u51fa<\/th>\n<th>\u5178\u578b\u89d2\u8272<\/th>\n<\/tr>\n<tr>\n<td>\u4f46\uff0cPL1310A<\/td>\n<td>1310\u00b110 \u7eb3\u7c73<\/td>\n<td>\u76f4\u63a5<\/td>\n<td>6\u201324 mW\uff08\u7ea68\u201314 dBm\uff09<\/td>\n<td>\u77ed\u9014\u7ebf\u8def\uff0c\u9760\u8fd1\u5730\u94c1\u7ad9<\/td>\n<\/tr>\n<tr>\n<td>PL1550A<\/td>\n<td>1550\u00b110 \u7eb3\u7c73<\/td>\n<td>\u76f4\u63a5<\/td>\n<td>6\u201312 mW\uff08\u7ea68\u201311 dBm\uff09<\/td>\n<td>\u226420\u516c\u91cc \u4e2d\u7a0b\u7ebf\u8def<\/td>\n<\/tr>\n<tr>\n<td>PL1550T<\/td>\n<td>1540\u20131563 \u7eb3\u7c73<\/td>\n<td>\u5916\u90e8<\/td>\n<td>\u53cc\u7aef\u53e3\uff0c\u6bcf\u7aef\u53e3 7\/8\/9\/10 dBm<\/td>\n<td>\u957f\u5ea665\u516c\u91cc\u4ee5\u4e0a\uff0c\u5206\u6bb5\u660e\u663e\uff0c\u53cc\u8def\u5f84\u5907\u4efd<\/td>\n<\/tr>\n<\/table>\n<p>\u5224\u65ad\u516c\u5f0f\uff1a <strong>\u8282\u70b9\u63a5\u6536\u529f\u7387 = \u53d1\u5c04\u529f\u7387 \u2212 \u5149\u7ea4\u635f\u8017\uff081550 nm \u6ce2\u957f\u4e0b\u7ea6\u4e3a 0.35\u20130.4 dB\/km\uff09\u2212 \u5206\u8def\u635f\u8017 \u2212 \u8fde\u63a5\u5668\/\u7194\u63a5\u635f\u8017\u3002.<\/strong><\/p>\n<p>\u793a\u4f8b\uff08\u5916\u90e8 PL1550T\uff0c\u6bcf\u7aef\u53e3 10 dBm\uff09\uff1a<\/p>\n<ul>\n<li>\u8282\u70b9\u9700\u8981 \u22650 dBm\uff1b;<\/li>\n<p>\u2013 \u8282\u70b9\u4fe1\u53f7\u5f3a\u5ea6\u9700\u22650 dBm\uff1b;<\/p>\n<li>65 \u516c\u91cc\u5149\u7ea4 \u2248 65 \u00d7 0.35 \u2248 <strong>-23 dB<\/strong>;<\/li>\n<p>\u2013 65 \u516c\u91cc\u5149\u7ea4 \u2248 65 \u00d7 0.35 \u2248 <strong>-23 dB<\/strong>;<\/p>\n<li>\u5206\u8def\u5668\/\u8fde\u63a5\u5668\u635f\u8017 \u2248 -5 dB\uff1b;<\/li>\n<p>\u2013 \u5206\u8def\u5668\/\u8026\u5408\u5668\u50a8\u5907 \u2248 -5 dB\uff1b;<\/p>\n<li>margin \u2248 <strong>10 \u2212 23 \u2212 5 = -18 dB<\/strong>\u2014\u2014\u4ec5\u9760\u8fd9\u4e00\u70b9\u8fd8\u4e0d\u591f\u3002.<\/li>\n<p>\u2013 \u8fb9\u8ddd \u2248 <strong>10 \u2212 23 \u2212 5 = -18 dB<\/strong>\u2014\u2014\u4ec5\u9760\u8fd9\u4e00\u70b9\u8fd8\u4e0d\u591f\u3002.<\/p>\n<\/ul>\n<p>\u6240\u4ee5 <strong>65 \u516c\u91cc\u5c5e\u4e8e\u201c\u88ab\u52a8\u76f4\u63a5 + \u4f4e\u5229\u6da6\u7387\u201d\u533a\u95f4<\/strong>, \uff0c\u8fd9\u5e76\u975e\u5355\u4e2a10 dBm\u7aef\u53e3\u80fd\u591f\u4ece\u5bb9\u627f\u8f7d\u7684\u3002\u5b9e\u9645\u90e8\u7f72\u4e2d\uff0c\u901a\u5e38\u4f1a\u5c06\u5176\u4e0eEDFA\u6216\u4e2d\u95f4\u653e\u5927\u5668\u914d\u5408\u4f7f\u7528\u3002. <strong>\u5b9e\u9645\u4e0a\uff0c\u51b3\u5b9a\u201c\u8db3\u591f\u201d\u4e0e\u5426\u7684\u662f\u4f60\u7684\u5206\u9891\u6bd4\u548c\u8282\u70b9\u8ddd\u79bb\uff0c\u800c\u4e0d\u662f\u53d1\u5c04\u5668\u6570\u91cf\u3002.<\/strong> \u5236\u5b9a\u9884\u7b97\u65f6\uff0c\u522b\u76ef\u7740\u201c\u529f\u7387\u201d\u8fd9\u4e00\u680f\u770b\u3002.<\/p>\n<p>\u5f52\u6839\u7ed3\u5e95\uff1a <strong>\u8f93\u51fa\u8d8a\u5927\u5e76\u4e0d\u4e00\u5b9a\u5c31\u8d8a\u597d\u3002.<\/strong> \u6765\u81ea\u5916\u90e8\u8c03\u5236\u5355\u5143\u7684\u529f\u7387\u8fc7\u5927\u5c06\u89e6\u53d1 <strong>SBS\uff08\u53d7\u6fc0\u5e03\u91cc\u6e0a\u6563\u5c04\uff09<\/strong>, \uff0c\u5c06\u529f\u7387\u53cd\u5c04\u56de\u6fc0\u5149\u5668\u5e76\u5bfc\u81f4\u5931\u771f\u3002PL1550T \u901a\u8fc7\u6291\u5236 SBS\uff08\u53ef\u5728 13\u201319 dBm \u8303\u56f4\u5185\u8c03\u8282\uff09\u6765\u63a7\u5236\u8fd9\u4e00\u73b0\u8c61\u3002\u8fd9\u6b63\u662f\u4e3a\u4ec0\u4e48\u76f4\u8fde\u5f0f\u8bbe\u5907\u53ef\u4ee5\u81ea\u7531\u8f93\u51fa\u529f\u7387\uff0c\u800c\u5916\u7f6e\u5f0f\u8bbe\u5907\u5219\u5fc5\u987b\u9650\u5236\u529f\u7387\u8f93\u51fa\u7684\u539f\u56e0\u3002.<\/p>\n<h2>\u89e3\u8bfb\u4e09\u5927\u5173\u952e\u53c2\u6570\uff1aCNR\u3001CTB\u3001CSO<\/h2>\n<p>\u63cf\u8ff0\u53d1\u5c04\u673a\u8d28\u91cf\u7684\u4e09\u5927\u8981\u7d20\u3002\u786e\u4fdd\u65b9\u5411\u6b63\u786e\uff1a<\/p>\n<ul>\n<li><strong>CNR\uff1a\u6570\u503c\u8d8a\u9ad8\u8d8a\u597d<\/strong> \uff08\u226551\u5206\u8d1d\u4e3a\u4e0b\u9650\uff1b\u5ba4\u5916\u566a\u97f3\u8fbe\u5230\u226553\u5206\u8d1d\uff09<\/li>\n<p>\u2013 <strong>CNR\uff1a\u6570\u503c\u8d8a\u9ad8\u8d8a\u597d<\/strong> \uff08\u226551\u5206\u8d1d\u4e3a\u4e0b\u9650\uff1b\u5ba4\u5916\u566a\u97f3\u8fbe\u5230\u226553\u5206\u8d1d\uff09<\/p>\n<li><strong>CTB\u3001CSO\uff1a\u8d8a\u8d1f\u9762\u8d8a\u597d<\/strong> \uff08\u4e0d\u542b\u4e8c\u9636\/\u4e09\u9636\u5931\u771f\uff09<\/li>\n<p>\u2013 <strong>CTB\u3001CSO\uff1a\u8d8a\u8d1f\u9762\u8d8a\u597d<\/strong> \uff08\u4e0d\u542b\u4e8c\u9636\/\u4e09\u9636\u5931\u771f\uff09<\/p>\n<\/ul>\n<table>\n<tr>\n<th>\u89c4\u683c<\/th>\n<th>PL1310A \/ PL1550A\uff08\u76f4\u8fde\uff09<\/th>\n<th>PL1550T\uff08\u5916\u90e8\uff09<\/th>\n<\/tr>\n<tr>\n<td>CNR<\/td>\n<td>\u226551 dB<\/td>\n<td>\u226553 \u5206\u8d1d<\/td>\n<\/tr>\n<tr>\n<td>CSO<\/td>\n<td>\u2264 -60 dBc<\/td>\n<td>\u226565 dB\uff08\u542b\u4e49\u76f8\u540c\uff0c\u8868\u8ff0\u66f4\u7b80\u6d01\uff09<\/td>\n<\/tr>\n<tr>\n<td>CTB<\/td>\n<td>\u2264 -65 dBc<\/td>\n<td>\u226565 \u5206\u8d1d<\/td>\n<\/tr>\n<\/table>\n<p>\u5916\u90e8\u7cfb\u7edf\u80fd\u8ba9CTB\/CSO\u5728\u8fdc\u8ddd\u79bb\u4f20\u8f93\u4e2d\u8868\u73b0\u66f4\u4f73\uff0c\u56e0\u4e3a\u4fe1\u53f7\u6e90\u66f4\u7eaf\u51c0\uff0c\u4e14\u9884\u5931\u771f\u6821\u6b63\u66f4\u5f7b\u5e95\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u957f\u8ddd\u79bb\u94fe\u8def\u9700\u8981\u91c7\u7528\u5916\u90e8\u7cfb\u7edf\u2014\u2014\u4e0d\u4ec5\u662f\u4e3a\u4e86\u5ef6\u957f\u4f20\u8f93\u8ddd\u79bb\uff0c\u66f4\u662f\u4e3a\u4e86\u786e\u4fdd\u8fdc\u7aef\u56fe\u50cf\u8d28\u91cf\u4e0d\u4e0b\u964d\u3002.<\/p>\n<h2>\u6700\u4ee4\u4eba\u5934\u75bc\u7684\u5b57\u6bb5\u7ec6\u8282<\/h2>\n<ul>\n<li><strong>\u8fde\u63a5\u5668<\/strong>: SC\/APC \u6216 FC\/APC\uff08Premlink \u6807\u914d APC \u4ee5\u963b\u9694\u53cd\u5c04\uff09\u3002. <strong>\u4e0d\u8981\u5c06UPC\u76f4\u63a5\u8fde\u63a5\u5230\u53d1\u5c04\u5668\u4e0a<\/strong>\u2014\u56de\u6ce2\u635f\u8017\u4e0d\u8db3\u4f1a\u5bfc\u81f4\u4fe1\u53f7\u53cd\u5411\u8fdb\u5165\u6fc0\u5149\u5668\uff0c\u4ece\u800c\u964d\u4f4e\u6027\u80fd\u5e76\u53ef\u80fd\u9020\u6210\u635f\u574f\u3002.<\/li>\n<p>\u2013 <strong>\u8fde\u63a5\u5668<\/strong>: SC\/APC \u6216 FC\/APC\uff08Premlink \u6807\u914d APC \u4ee5\u963b\u9694\u53cd\u5c04\uff09\u3002. <strong>\u4e0d\u8981\u5c06UPC\u76f4\u63a5\u8fde\u63a5\u5230\u53d1\u5c04\u5668\u4e0a<\/strong>\u2014\u56de\u6ce2\u635f\u8017\u4e0d\u8db3\u4f1a\u5bfc\u81f4\u4fe1\u53f7\u53cd\u5411\u8fdb\u5165\u6fc0\u5149\u5668\uff0c\u4ece\u800c\u964d\u4f4e\u6027\u80fd\u5e76\u53ef\u80fd\u9020\u6210\u635f\u574f\u3002.<\/p>\n<li><strong>\u63d2\u4e0a\u7535\u6e90\u524d\uff0c\u8bf7\u6e05\u6d01\u7aef\u9762\u3002.<\/strong> \u810f\u6c61\u7684\u8868\u9762\u4f1a\u9020\u62103 dB\u4ee5\u4e0a\u7684\u635f\u8017\uff0c\u8fd9\u76f8\u5f53\u4e8e\u767d\u767d\u6d6a\u8d39\u4e86\u4f60\u4e00\u534a\u7684\u529f\u7387\u3002.<\/li>\n<p>\u2013 <strong>\u63d2\u4e0a\u7535\u6e90\u524d\uff0c\u8bf7\u6e05\u6d01\u7aef\u9762\u3002.<\/strong> \u810f\u6c61\u7684\u8868\u9762\u4f1a\u9020\u62103 dB\u4ee5\u4e0a\u7684\u635f\u8017\uff0c\u8fd9\u76f8\u5f53\u4e8e\u767d\u767d\u6d6a\u8d39\u4e86\u4f60\u4e00\u534a\u7684\u529f\u7387\u3002.<\/p>\n<li><strong>\u5c04\u9891\u8f93\u5165\u7535\u5e73\u5f88\u91cd\u8981\u3002.<\/strong> \u8fc7\u9ad8\u4f1a\u5bfc\u81f4\u8fc7\u8c03\u5236\uff0cCTB \u6076\u5316\uff1b\u8fc7\u4f4e\u5219\u4f1a\u5bfc\u81f4 CNR \u4e0b\u964d\u3002Premlink \u76f4\u8fde\u8bbe\u5907\u5185\u7f6e\u4e86 AGC\uff0c\u53ef\u5e73\u6ed1\u8f93\u5165\u6ce2\u52a8\u2014\u2014\u8fd9\u4e5f\u662f\u5b83\u4eec\u5728\u7ec4\u5408\u5668\u540e\u7aef\u8fd0\u884c\u66f4\u7a33\u5b9a\u7684\u539f\u56e0\u4e4b\u4e00\u3002.<\/li>\n<p>\u2013 <strong>\u5c04\u9891\u8f93\u5165\u7535\u5e73\u5f88\u91cd\u8981\u3002.<\/strong> \u8fc7\u9ad8\u4f1a\u5bfc\u81f4\u8fc7\u8c03\u5236\uff0cCTB \u6076\u5316\uff1b\u8fc7\u4f4e\u5219\u4f1a\u5bfc\u81f4 CNR \u4e0b\u964d\u3002Premlink \u76f4\u8fde\u8bbe\u5907\u5185\u7f6e\u4e86 AGC\uff0c\u53ef\u5e73\u6ed1\u8f93\u5165\u6ce2\u52a8\u2014\u2014\u8fd9\u4e5f\u662f\u5b83\u4eec\u5728\u7ec4\u5408\u5668\u540e\u7aef\u8fd0\u884c\u66f4\u7a33\u5b9a\u7684\u539f\u56e0\u4e4b\u4e00\u3002.<\/p>\n<\/ul>\n<h2>\u4f60\u5230\u5e95\u4f1a\u4e70\u54ea\u4e00\u6b3e\u5462\uff1f<\/h2>\n<p>1. <strong>\u9760\u8fd1\u5730\u94c1\uff0c\u9884\u7b97\u7d27\u5f20<\/strong> \u2192 PL1310A\uff081310\u76f4\u8fde\uff0c\u6027\u4ef7\u6bd4\u6700\u9ad8\uff09<\/p>\n<p>2. <strong>\u5355\u7ea4GPON\u5171\u5b58\uff0c\u4e2d\u7b49\u4f20\u8f93\u8ddd\u79bb<\/strong> \u2192 1550 \u76f4\u8fde PL1550A\uff081550 \u4e0d\u5360\u7528 1310 \u6ce2\u957f\u7684 PON \u4e0a\u884c\u901a\u9053\uff1b\u53ef\u5728\u540c\u4e00\u6839\u5149\u7ea4\u4e0a\u5171\u5b58\uff09<\/p>\n<p>3. <strong>\u957f\u8ddd\u79bb\u4f20\u8f93\u3001\u9ad8\u6548\u5206\u5272\u3001\u53cc\u8def\u5f84\/\u5907\u4efd\u3001\u6700\u9ad8\u753b\u8d28<\/strong> \u2192 PL1550T\uff08\u5916\u90e8\uff0c\u53cc\u7aef\u53e3\uff09<\/p>\n<p>4. <strong>\u4e0d\u786e\u5b9a\u662f\u5426\u5b58\u5728\u94fe\u63a5\u4e22\u5931<\/strong> \u2192 \u5148\u8fd0\u884c\u9884\u7b97\u8868\uff0c\u7136\u540e\u9009\u62e9\u7b49\u7ea7\u3002\u4e0d\u8981\u76f4\u63a5\u4ece\u529f\u7387\u6570\u503c\u4e2d\u9009\u53d6\u3002.<\/p>\n<h2>\u63a8\u8350\u9605\u8bfb<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.premlink.net\/zh\/catv-optical-transmitter\/\">Premlink \u6709\u7ebf\u7535\u89c6\u5149\u53d1\u5c04\u5668<\/a> \u2014 \u7cfb\u5217\u6982\u8ff0\u53ca 1310 \u4e0e 1550 \u5bf9\u6bd4\u6307\u5357<\/li>\n<p>\u2013 <a href=\"https:\/\/www.premlink.net\/zh\/catv-optical-transmitter\/\">Premlink \u6709\u7ebf\u7535\u89c6\u5149\u53d1\u5c04\u5668<\/a> \u2014 \u7cfb\u5217\u6982\u8ff0\u53ca 1310 \u4e0e 1550 \u5bf9\u6bd4\u6307\u5357<\/p>\n<li>\u5177\u4f53\u578b\u53f7\uff1a <a href=\"https:\/\/www.premlink.net\/zh\/product\/pl1310-1310nm-optical-transmitter\/\">PL1310 1310\u7eb3\u7c73<\/a>, <a href=\"https:\/\/www.premlink.net\/zh\/product\/pl1550-1550nm-optical-transmitter\/\">PL1550 1550\u7eb3\u7c73<\/a>, <a href=\"https:\/\/www.premlink.net\/zh\/product\/externally-modulated-optical-transmitter\/\">\u5916\u90e8\u8c03\u5236<\/a><\/li>\n<p>\u2013 \u5177\u4f53\u578b\u53f7\uff1a <a href=\"https:\/\/www.premlink.net\/zh\/product\/pl1310-1310nm-optical-transmitter\/\">PL1310 1310\u7eb3\u7c73<\/a>, <a href=\"https:\/\/www.premlink.net\/zh\/product\/pl1550-1550nm-optical-transmitter\/\">PL1550 1550\u7eb3\u7c73<\/a>, <a href=\"https:\/\/www.premlink.net\/zh\/product\/externally-modulated-optical-transmitter\/\">\u5916\u90e8\u8c03\u5236<\/a><\/p>\n<\/ul>\n<h2>\u5e38\u95ee\u95ee\u9898<\/h2>\n<p><strong>\u95ee\uff1a1310\u548c1550\u4e4b\u95f4\u5230\u5e95\u6709\u4ec0\u4e48\u533a\u522b\uff0c\u4ef7\u683c\u5dee\u8ddd\u53c8\u662f\u591a\u5c11\uff1f<\/strong><\/p>\n<p>A\uff1a1310\u76f4\u63a5\u6ce2\u957f\u6210\u672c\u4f4e\u4e14\u6297\u8272\u6563\uff0c\u4f46\u4f20\u8f93\u8ddd\u79bb\u77ed\uff0c\u4e14\u4f1a\u5360\u75281310\u6ce2\u957f\u7684PON\u4e0a\u884c\u6ce2\u957f\u30021550\u6ce2\u957f\u5219\u66f4\u6709\u5229\u4e8e\u4f20\u8f93\u8ddd\u79bb\u548c\u4e0eGPON\u7684\u5171\u5b58\u3002 \u4ef7\u683c\uff1a1550\u76f4\u63a5\u6a21\u5f0f\u7684\u4ef7\u683c\u4e0e1310\u76f4\u63a5\u6a21\u5f0f\u76f8\u5dee\u65e0\u51e0\uff08\u6fc0\u5149\u5668\u6210\u672c\u7565\u9ad8\uff09\uff1b1550\u5916\u90e8\u6a21\u5f0f\u7684\u4ef7\u683c\u5219\u660e\u663e\u9ad8\u4e8e\u4e8c\u8005\u3002\u82e5\u4f20\u8f93\u8ddd\u79bb\u8f83\u77ed\uff0c\u9009\u62e91310\u66f4\u7ecf\u6d4e\uff1b\u82e5\u4f20\u8f93\u8ddd\u79bb\u8f83\u957f\u6216\u9700\u4e0eGPON\u5171\u5b58\uff0c\u5219\u9009\u62e91550\u3002.<\/p>\n<p><strong>\u95ee\uff1a\u76f4\u63a5\u5355\u4f4d\u5c04\u7a0b\u80fd\u8d85\u8fc720\u516c\u91cc\u5417\uff1f<\/strong><\/p>\n<p>A\uff1a\u4ece\u7269\u7406\u4e0a\u8bb2\u662f\u53ef\u4ee5\u7684\uff0c\u4f46\u8fdc\u7aef\u7684CTB\u4f1a\u9000\u5316\uff0c\u753b\u8d28\u4e5f\u4f1a\u4e0b\u964d\u3002\u82e5\u8981\u5728\u8d85\u8fc7\u7ea625\u516c\u91cc\u5904\u83b7\u5f97\u6e05\u6670\u7684\u89c6\u9891\uff0c\u8bf7\u4f7f\u7528\u5916\u90e8\u8c03\u5236\u2014\u2014\u4e0d\u8981\u5c06\u76f4\u63a5\u8fde\u63a5\u7684\u8bbe\u5907\u63a8\u5230\u90a3\u4e48\u8fdc\u3002.<\/p>\n<p><strong>\u95ee\uff1a\u4e3a\u4ec0\u4e48\u5ba4\u5916\u673a\u7684\u529f\u7387\u4ee5 dBm \u4e3a\u5355\u4f4d\u663e\u793a\u65f6\u770b\u8d77\u6765\u201c\u8f83\u5c0f\u201d\uff1f<\/strong><\/p>\n<p>\u7b54\uff1a\u56e0\u4e3a\u5916\u90e8\u8bbe\u5907\u5bf9SBS\u654f\u611f\u2014\u2014\u529f\u7387\u8fc7\u5927\u4f1a\u5bfc\u81f4\u5931\u771f\u3002\u5176\u4ef7\u503c\u5e76\u4e0d\u5728\u4e8e\u6bcf\u4e2a\u7aef\u53e3\u7684\u6570\u503c\u6709\u591a\u5927\uff0c\u800c\u5728\u4e8e <strong>\u7a84\u7ebf\u5bbd\u3001\u4f4e\u5931\u771f\u548c\u8fdc\u8ddd<\/strong>. \u76f4\u63a5\u8fde\u63a5\u7684\u8bbe\u5907\u53ef\u80fd\u663e\u793a\u8f83\u9ad8\u7684dBm\u503c\uff0c\u4f46\u8be5\u4fe1\u53f7\u5f3a\u5ea6\u968f\u8ddd\u79bb\u589e\u52a0\u4f1a\u8fc5\u901f\u8870\u51cf\u3002.<\/p>\n<p><strong>\u95ee\uff1a\u53cc\u7aef\u53e3 PL1550T \u6709\u4ec0\u4e48\u7528\u9014\uff1f<\/strong><\/p>\n<p>A\uff1a\u4e00\u4e2a\u7aef\u53e3\u7528\u4e8e\u4e3b\u94fe\u8def\uff0c\u53e6\u4e00\u4e2a\u7aef\u53e3\u7528\u4e8e\u5907\u4efd\u6216\u5411\u7b2c\u4e8c\u4e2a\u533a\u57df\u8fdb\u884c\u5206\u652f\u8fde\u63a5\u3002\u8fd9\u6d88\u9664\u4e86\u8bbe\u5907\u5c42\u9762\u7684\u5355\u70b9\u6545\u969c\uff0c\u5e76\u53ef\u8282\u7701\u8d2d\u4e70\u5907\u7528\u8bbe\u5907\u7684\u8d39\u7528\u3002.<\/p>\n<p>*\u76ee\u6807\u5173\u952e\u8bcd\uff1a\u6709\u7ebf\u7535\u89c6\u5149\u53d1\u5c04\u673a \/ \u6709\u7ebf\u7535\u89c6\u5149\u7ea4\u53d1\u5c04\u673a\u3002\u672c\u6587\u9762\u5411HFC\/FTTH\u7f51\u7edc\u89c4\u5212\u4eba\u5458\u548c\u5de5\u7a0b\u5e08\u3002*<\/p>","protected":false},"excerpt":{"rendered":"<p>\u6709\u7ebf\u7535\u89c6\uff08CATV\uff09\u5149\u53d1\u5c04\u673a\u9009\u578b\uff1a1310 nm \u4e0e 1550 nm \u7684\u5bf9\u6bd4\u3001\u76f4\u63a5\u8c03\u5236\u4e0e\u5916\u90e8\u8c03\u5236\u7684\u5bf9\u6bd4\uff0c\u4ee5\u53ca\u5982\u4f55\u6839\u636e\u5206\u5149\u6bd4\u786e\u5b9a\u8f93\u51fa\u529f\u7387\u3002.<\/p>","protected":false},"author":2,"featured_media":17725,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[46],"tags":[],"class_list":["post-17728","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center"],"_links":{"self":[{"href":"https:\/\/www.premlink.net\/zh\/wp-json\/wp\/v2\/posts\/17728","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.premlink.net\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.premlink.net\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.premlink.net\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.premlink.net\/zh\/wp-json\/wp\/v2\/comments?post=17728"}],"version-history":[{"count":1,"href":"https:\/\/www.premlink.net\/zh\/wp-json\/wp\/v2\/posts\/17728\/revisions"}],"predecessor-version":[{"id":17736,"href":"https:\/\/www.premlink.net\/zh\/wp-json\/wp\/v2\/posts\/17728\/revisions\/17736"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.premlink.net\/zh\/wp-json\/wp\/v2\/media\/17725"}],"wp:attachment":[{"href":"https:\/\/www.premlink.net\/zh\/wp-json\/wp\/v2\/media?parent=17728"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.premlink.net\/zh\/wp-json\/wp\/v2\/categories?post=17728"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.premlink.net\/zh\/wp-json\/wp\/v2\/tags?post=17728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}