{"id":4665,"date":"2021-08-03T15:20:32","date_gmt":"2021-08-03T07:20:32","guid":{"rendered":"http:\/\/www.comtest.cn\/?p=4665"},"modified":"2021-08-03T15:20:35","modified_gmt":"2021-08-03T07:20:35","slug":"%e6%97%a0%e6%ba%90%e5%85%89%e7%bd%91%e7%bb%9c-pon","status":"publish","type":"post","link":"http:\/\/www.comtest.com.cn\/?p=4665","title":{"rendered":"\u65e0\u6e90\u5149\u7f51\u7edc (PON)"},"content":{"rendered":"<p><\/p><h1 class=\"wp-block-heading\">\u4ec0\u4e48\u662f\u65e0\u6e90\u5149\u7f51\u7edc<\/h1><p>\u65e0\u6e90\u5149\u7f51\u7edc (PON) \u662f\u4e00\u79cd\u5149\u7ea4\u7f51\u7edc\uff0c\u5229\u7528\u70b9\u5bf9\u591a\u70b9\u62d3\u6251\u548c\u5149\u5206\u8def\u5668\u5c06\u6570\u636e\u4ece\u5355\u4e2a\u4f20\u8f93\u70b9\u4f20\u9001\u5230\u591a\u4e2a\u7528\u6237\u7aef\u70b9\u3002\u5728\u6b64\u4e0a\u4e0b\u6587\u4e2d\uff0c\u65e0\u6e90\u662f\u6307\u5149\u7ea4\u548c\u62c6\u5206\/\u7ec4\u5408\u7ec4\u4ef6\u7684\u672a\u901a\u7535\u72b6\u6001\u3002<\/p><p>\u4e0e\u6709\u6e90\u5149\u7f51\u7edc\u76f8\u6bd4\uff0c\u4ec5\u5728\u53d1\u9001\u548c\u63a5\u6536\u70b9\u9700\u8981\u7535\u529b\uff0c\u4ece\u8fd0\u884c\u6210\u672c\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u8fd9\u4f7f\u5f97 PON \u5177\u6709\u56fa\u6709\u7684\u6548\u7387\u3002\u65e0\u6e90\u5149\u7f51\u7edc\u7528\u4e8e\u540c\u65f6\u5728\u4e0a\u884c\u548c\u4e0b\u884c\u65b9\u5411\u4e0a\u5411\u7528\u6237\u7aef\u70b9\u548c\u4ece\u7528\u6237\u7aef\u70b9\u4f20\u8f93\u4fe1\u53f7\u3002<\/p><h1 class=\"wp-block-heading\">\u65e0\u6e90\u5149\u7f51\u7edc\u7ec4\u4ef6\u548c\u8bbe\u5907<\/h1><p>\u5149\u7ea4\u548c\u5206\u8def\u5668\u662f PON \u771f\u6b63\u7684\u201c\u65e0\u6e90\u201d\u6784\u4ef6\uff0c\u4e0d\u9700\u8981\u4f9b\u7535\u3002\u5149\u5206\u8def\u5668\u4e0d\u662f\u6ce2\u957f\u9009\u62e9\u6027\u7684\uff0c\u53ea\u662f\u5728\u4e0b\u884c\u65b9\u5411\u4e0a\u5206\u5272\u4efb\u4f55\u5149\u6ce2\u957f\uff0c\u5f53\u7136\uff0c\u5149\u4fe1\u53f7\u7684\u5206\u5272\u4f1a\u5f15\u8d77\u529f\u7387\u635f\u8017\uff0c\u8fd9\u53d6\u51b3\u4e8e\u4fe1\u53f7\u5206\u5272\u7684\u65b9\u5f0f\u6570\u91cf\u3002\u5206\u8def\u5668\u4e0d\u9700\u8981\u6709\u6e90\u7f51\u7edc\u7ec4\u4ef6\uff08\u4f8b\u5982\u5149\u653e\u5927\u5668\uff09\u56fa\u6709\u7684\u51b7\u5374\u6216\u5176\u4ed6\u6301\u7eed\u7ef4\u62a4\uff0c\u5982\u679c\u4e0d\u53d7\u5e72\u6270\uff0c\u53ef\u4ee5\u6301\u7eed\u6570\u5341\u5e74\u3002\u9664\u4e86\u65e0\u6e90\u7ec4\u4ef6\u5916\uff0c\u5b8c\u5168\u521b\u5efa PON \u7f51\u7edc\u8fd8\u9700\u8981\u6709\u6e90\u7ec8\u7aef\u8bbe\u5907\u3002<\/p><p>\u5149\u7ebf\u8def\u7ec8\u7aef (OLT) \u662f\u65e0\u6e90\u5149\u7f51\u7edc\u7684\u8d77\u70b9\u3002\u5b83\u901a\u8fc7\u4ee5\u592a\u7f51\u53ef\u63d2\u62d4\u8bbe\u5907\u8fde\u63a5\u5230\u6838\u5fc3\u4ea4\u6362\u673a\u3002OLT \u7684\u4e3b\u8981\u529f\u80fd\u662f\u5bf9 PON \u7f51\u7edc\u7684\u4fe1\u53f7\u8fdb\u884c\u8f6c\u6362\u3001\u6210\u5e27\u548c\u4f20\u8f93\uff0c\u5e76\u534f\u8c03\u5149\u7f51\u7edc\u7ec8\u7aef (ONT) \u590d\u7528\u4ee5\u5b9e\u73b0\u5171\u4eab\u7684\u4e0a\u884c\u4f20\u8f93\u3002\u60a8\u8fd8\u53ef\u4ee5\u770b\u5230\u79f0\u4e3a\u5149\u7f51\u7edc\u5355\u5143 (ONU) \u7684\u6700\u7ec8\u7528\u6237\u8bbe\u5907\uff0c\u8fd9\u53ea\u662f\u4e24\u4e2a\u4e3b\u8981\u6807\u51c6\u673a\u6784\uff08\u4f7f\u7528 ONT \u7684 ITU-T \u548c\u4f7f\u7528 ONU \u7684 IEEE\uff09\u5728\u672f\u8bed\u4e0a\u7684\u4e0d\u540c\uff0c\u8fd9\u4e24\u4e2a\u672f\u8bed\u5b9e\u9645\u4e0a\u662f\u53ef\u4e92\u6362\u7684\uff0c\u4f46\u53d6\u51b3\u4e8e\u6240\u4f7f\u7528\u7684 PON \u670d\u52a1\u548c\u6807\u51c6\uff08\u89c1\u4e0b\u6587\uff09\u3002<\/p><p>ONT \u662f\u4f4d\u4e8e\u7f51\u7edc\u7684\u76f8\u5bf9\uff08\u7528\u6237\uff09\u7aef\u7684\u65e0\u6e90\u5149\u7f51\u7edc\u7cfb\u7edf\u7684\u4f9b\u7535\u8bbe\u5907\uff0c\u5e76\u4e14\u5305\u62ec\u7528\u4e8e\u5bb6\u5ead\u8bbe\u5907\u6216\u7f51\u7edc\u8fde\u63a5\u7684\u4ee5\u592a\u7f51\u7aef\u53e3\u3002<\/p><h1 class=\"wp-block-heading\">\u65e0\u6e90\u5149\u7f51\u7edc\u67b6\u6784<\/h1><p>PON \u7f51\u7edc\u91c7\u7528\u70b9\u5bf9\u591a\u70b9 (P2MP) \u7ed3\u6784\uff0c\u5229\u7528\u5149\u5206\u8def\u5668\u5c06\u6765\u81ea\u5355\u4e2a OLT \u7684\u4e0b\u884c\u4fe1\u53f7\u5206\u6210\u591a\u6761\u5230\u8fbe\u6700\u7ec8\u7528\u6237\u7684\u4e0b\u884c\u8def\u5f84\uff0c\u7531\u76f8\u540c\u7684\u5206\u8def\u5668\u5c06\u4ece\u6700\u7ec8\u7528\u6237\u8fd4\u56de\u5230 OLT \u7684\u591a\u6761\u4e0a\u884c\u8def\u5f84\u7ec4\u5408\u5728\u4e00\u8d77\u3002<\/p><p>\u70b9\u5bf9\u591a\u70b9\u5149\u7ea4\u63a5\u5165\u7f51\u5177\u6709\u5149\u7ea4\u5171\u4eab\u548c\u4f4e\u529f\u8017\u7684\u56fa\u6709\u6548\u7387\uff0c\u88ab\u9009\u4e3a\u6700\u53ef\u884c\u7684\u65e0\u6e90\u5149\u7f51\u7edc\u67b6\u6784\u3002\u6b64\u67b6\u6784\u4e8e 1998 \u5e74\u901a\u8fc7 ATM-PON G.983.1 \u89c4\u8303\u8fdb\u884c\u4e86\u6807\u51c6\u5316\u3002<\/p><p>\u4eca\u5929\uff0c\u7531\u4e8e\u4e0d\u518d\u4f7f\u7528\u5f02\u6b65\u4f20\u8f93\u6a21\u5f0f (ATM)\uff0c\u7528\u4e8e G-PON \u7684 ITU-T G.984 \u6807\u51c6\u5df2\u7ecf\u53d6\u4ee3\u4e86 ATM \u6807\u51c6\u3002<\/p><p>PON \u7f51\u7edc\u4ece\u4f4d\u4e8e\u670d\u52a1\u63d0\u4f9b\u5546\u6e90\u4f4d\u7f6e\u7684\u5149\u7ebf\u8def\u7ec8\u7aef (OLT) \u5f00\u59cb\uff0c\u901a\u5e38\u79f0\u4e3a\u672c\u5730\u6216\u4e2d\u5fc3\u5c40\uff0c\u6709\u65f6\u79f0\u4e3a\u4ea4\u6362\u673a\u6216\u5934\u7aef\u3002\u4ece\u90a3\u91cc\uff0c\u5149\u7ea4\u9988\u7ebf\u7535\u7f06\uff08\u6216\u9988\u7ebf\u5149\u7ea4\uff09\u88ab\u8def\u7531\u5230\u65e0\u6e90\u5206\u8def\u5668\uff0c\u4ee5\u53ca\u5907\u7528\u5149\u7ea4\uff08\u5982\u679c\u4f7f\u7528\u7684\u8bdd\uff09\u3002\u7136\u540e\uff0c\u5206\u914d\u5149\u7ea4\u4ece\u5206\u8def\u5668\u8fde\u63a5\u5230\u5f15\u5165\u7ec8\u7aef\uff0c\u5f15\u5165\u7ec8\u7aef\u53ef\u4ee5\u4f4d\u4e8e\u8857\u9053\u673a\u67dc\u4e2d\uff0c\u4e5f\u53ef\u4ee5\u4f4d\u4e8e\u5b89\u88c5\u5728\u5751\u4e2d\u3001\u7535\u7ebf\u6746\u4e0a\u751a\u81f3\u5efa\u7b51\u7269\u4fa7\u9762\u7684\u52a0\u56fa\u5916\u58f3\u4e2d\u3002\u7136\u540e\uff0c\u5f15\u5165\u5149\u7ea4\u63d0\u4f9b\u4ece\u5f15\u5165\u7ec8\u7aef\u7aef\u53e3\u5230\u6700\u7ec8\u7528\u6237 ONT\/ONU \u7684\u6700\u7ec8\u4e00\u5bf9\u4e00\u8fde\u63a5\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e32\u8054\u4f7f\u7528\u591a\u4e2a\u5206\u8def\u5668\uff0c\u8fd9\u79f0\u4e3a\u7ea7\u8054\u5206\u8def\u5668\u67b6\u6784\u3002<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/pon_diagram_01_700.jpg\"><img fetchpriority=\"high\" decoding=\"async\" width=\"700\" height=\"433\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/pon_diagram_01_700.jpg\" alt=\"\" class=\"wp-image-4666\" srcset=\"http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2021\/08\/pon_diagram_01_700.jpg 700w, http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2021\/08\/pon_diagram_01_700-300x186.jpg 300w, http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2021\/08\/pon_diagram_01_700-600x371.jpg 600w, http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2021\/08\/pon_diagram_01_700-64x40.jpg 64w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><\/figure><\/div><p>\u9988\u7ebf\u5149\u7ea4\u4e0a\u627f\u8f7d\u7684\u4fe1\u53f7\u53ef\u4ee5\u88ab\u62c6\u5206\uff0c\u4ee5\u5411\u591a\u8fbe 256 \u4e2a\u7528\u6237\u63d0\u4f9b\u670d\u52a1\uff0c\u5176\u4e2d ONU \u6216 ONT \u8f6c\u6362\u4fe1\u53f7\u5e76\u4e3a\u7528\u6237\u63d0\u4f9b\u4e92\u8054\u7f51\u63a5\u5165\u3002\u4e0b\u884c OLT \u4fe1\u53f7\u5728\u5230\u8fbe\u6700\u7ec8\u7528\u6237\u4e4b\u524d\u88ab\u5206\u5272\u6216\u62c6\u5206\u7684\u65b9\u5f0f\u7684\u6570\u91cf\u88ab\u79f0\u4e3a\u5206\u8def\u5668\u6216\u5206\u6d41\u6bd4\uff08\u4f8b\u5982 1:32 \u6216 1:64\uff09\u3002<\/p><p>\u5728\u66f4\u590d\u6742\u7684\u914d\u7f6e\u4e2d\uff0c\u5176\u4e2d\u5c04\u9891\u89c6\u9891\u4e0e PON \u6570\u636e\u4e1a\u52a1\u5e76\u884c\u5e7f\u64ad\uff0c\u6216\u8005\u9644\u52a0\u7684 PON \u4e1a\u52a1\u5728\u76f8\u540c\u7684 PON \u7f51\u7edc\u4e0a\u5171\u5b58\uff0c\u5728\u4e2d\u5fc3\/\u672c\u5730\u5c40\u4f7f\u7528\u65e0\u6e90 (MUX) \u7ec4\u5408\u5668\u6765\u5c06\u89c6\u9891\u8986\u76d6\u6ce2\u957f\u548c\u9644\u52a0\u7684 PON \u4e1a\u52a1\u6ce2\u957f\u5408\u5e76\u5230\u51fa\u7ad9 OLT \u9988\u7ebf\u5149\u7ea4\u4e0a\u3002<\/p><h1 class=\"wp-block-heading\">\u65e0\u6e90\u5149\u7f51\u7edc\u64cd\u4f5c<\/h1><p>PON \u64cd\u4f5c\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u9879\u521b\u65b0\u662f\u6ce2\u5206\u590d\u7528 (WDM)\uff0c\u7528\u4e8e\u6839\u636e\u6fc0\u5149\u7684\u6ce2\u957f\uff08\u989c\u8272\uff09\u5206\u79bb\u6570\u636e\u6d41\u3002\u4e00\u4e2a\u6ce2\u957f\u53ef\u7528\u4e8e\u4f20\u8f93\u4e0b\u884c\u6570\u636e\uff0c\u800c\u53e6\u4e00\u4e2a\u6ce2\u957f\u7528\u4e8e\u4f20\u8f93\u4e0a\u884c\u6570\u636e\u3002\u8fd9\u4e9b\u4e13\u7528\u6ce2\u957f\u56e0\u4f7f\u7528\u7684 PON \u6807\u51c6\u800c\u5f02\uff0c\u53ef\u4ee5\u540c\u65f6\u5b58\u5728\u4e8e\u540c\u4e00\u6839\u5149\u7ea4\u4e0a\u3002<\/p><p>\u65f6\u5206\u591a\u5740 (TDMA) \u662f\u53e6\u4e00\u79cd\u6280\u672f\uff0c\u7528\u4e8e\u5728\u7531 OLT \u7ba1\u7406\u7684\u7279\u5b9a\u65f6\u95f4\u6bb5\u5185\u4e3a\u6bcf\u4e2a\u6700\u7ec8\u7528\u6237\u5206\u914d\u4e0a\u884c\u5e26\u5bbd\uff0c\u4ee5\u9632\u6b62\u7531\u4e8e\u591a\u4e2a ONT\/ONU \u540c\u65f6\u4e0a\u884c\u4f20\u8f93\u6570\u636e\u800c\u5bfc\u81f4\u7684 PON \u5206\u8def\u5668\u6216 OLT \u5904\u7684\u6ce2\u957f\/\u6570\u636e\u51b2\u7a81\u3002\u8fd9\u4e5f\u88ab\u79f0\u4e3a\u7528\u4e8e PON \u4e0a\u884c\u7684\u7a81\u53d1\u6a21\u5f0f\u4f20\u8f93\u3002<\/p><h1 class=\"wp-block-heading\">PON \u4e1a\u52a1\u7684\u7c7b\u578b<\/h1><p>\u81ea 20 \u4e16\u7eaa 90 \u5e74\u4ee3\u95ee\u4e16\u4ee5\u6765\uff0c\u65e0\u6e90\u5149\u7f51\u7edc (PON) \u6280\u672f\u4e0d\u65ad\u53d1\u5c55\uff0c\u5f62\u6210\u4e86\u591a\u6b21\u8fed\u4ee3\u7684 PON \u7f51\u7edc\u62d3\u6251\u7ed3\u6784\u3002\u6700\u521d\u7684\u65e0\u6e90\u5149\u7f51\u7edc\u6807\u51c6 APON \u548c BPON \u5df2\u7ecf\u9010\u6e10\u8ba9\u4f4d\u4e8e\u65b0\u7248\u672c\u7684\u5e26\u5bbd\u548c\u6574\u4f53\u6027\u80fd\u4f18\u52bf\u3002<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/pon_diagram_02_700.jpg\"><img decoding=\"async\" width=\"700\" height=\"223\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/pon_diagram_02_700.jpg\" alt=\"\" class=\"wp-image-4667\" srcset=\"http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2021\/08\/pon_diagram_02_700.jpg 700w, http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2021\/08\/pon_diagram_02_700-300x96.jpg 300w, http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2021\/08\/pon_diagram_02_700-600x191.jpg 600w, http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2021\/08\/pon_diagram_02_700-64x20.jpg 64w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><\/figure><\/div><ul class=\"wp-block-list\"><li>G-PON<\/li><\/ul><p>\u7531 ITU-T \u5f00\u53d1\u7684\u5343\u5146\u4f4d\u65e0\u6e90\u5149\u7f51\u7edc\uff08\u6216 G-PON\uff09\u5229\u7528\u57fa\u4e8e IP \u7684\u534f\u8bae\uff0c\u56e0\u5176\u5728\u4e1a\u52a1\u7c7b\u578b\uff08\u5305\u62ec\u8bed\u97f3\u3001\u4e92\u8054\u7f51\u548c\u7535\u89c6\u7684\u201c\u4e09\u7f51\u878d\u5408\u201d\u5e94\u7528\uff09\u65b9\u9762\u7684\u51fa\u8272\u7075\u6d3b\u6027\u800c\u88ab\u516c\u8ba4\u3002\u901a\u7528 G-PON \u5c01\u88c5\u65b9\u6cd5\u80fd\u591f\u5c01\u88c5 IP\u3001\u4ee5\u592a\u7f51\u3001VoIP \u7b49\u591a\u79cd\u6570\u636e\u7c7b\u578b\u3002<\/p><p>G-PON \u88ab\u8ba4\u4e3a\u662f\u5f53\u4eca\u4f7f\u7528\u7684\u4e8b\u5b9e\u4e0a\u7684 PON \u6807\u51c6\uff0c\u5355\u6a21\u5149\u7ea4\u4e0a\u7684\u7f51\u7edc\u8986\u76d6\u8ddd\u79bb\u5728 20 \u5230 40 \u5343\u7c73\u4e4b\u95f4\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u91c7\u7528\u7684\u5206\u6d41\u6bd4\u3002\u4e0b\u884c\u6ce2\u957f\u914d\u7f6e\u4e3a 1490 \u7eb3\u7c73\uff0c\u4e0a\u884c\u6ce2\u957f\u914d\u7f6e\u4e3a 1310 \u7eb3\u7c73\uff0c\u4e0b\u884c\u901f\u7387\u4e3a 2.4 Gbps\uff0c\u4e0a\u884c\u901f\u7387\u4e3a 1.2 Gbps\u3002<\/p><ul class=\"wp-block-list\"><li>E-PON<\/li><\/ul><p>IEEE \u7684\u53e6\u4e00\u4e2a\u65e0\u6e90\u5149\u7f51\u7edc\u6807\u51c6\u662f\u4ee5\u592a\u7f51 PON\uff08\u6216 E-PON\uff09\uff0c\u5b83\u662f\u4e3a\u4e0e\u4ee5\u592a\u7f51\u8bbe\u5907\u65e0\u7f1d\u517c\u5bb9\u800c\u5f00\u53d1\u7684\u3002\u57fa\u4e8e IEEE 802.3 \u6807\u51c6\uff0cE-PON \u4e0d\u9700\u8981\u989d\u5916\u7684\u5c01\u88c5\u6216\u8f6c\u6362\u534f\u8bae\u5c31\u53ef\u4ee5\u8fde\u63a5\u5230\u57fa\u4e8e\u4ee5\u592a\u7f51\u7684\u7f51\u7edc\u3002\u8fd9\u9002\u7528\u4e8e\u4e0a\u884c\u548c\u4e0b\u884c\u6570\u636e\u4f20\u8f93\u65b9\u5411\u3002<\/p><p>\u4f20\u7edf\u7684 E-PON \u53ef\u4ee5\u652f\u6301\u9ad8\u8fbe 1.25 Gbps \u7684\u4e0a\u884c\u548c\u4e0b\u884c\u5bf9\u79f0\u901f\u5ea6\u3002\u4e0e G-PON \u975e\u5e38\u76f8\u4f3c\uff0cE-PON \u540c\u6837\u6839\u636e\u5206\u6d41\u6bd4\u63d0\u4f9b 20 \u5230 40 \u5343\u7c73\u7684\u8303\u56f4\uff0c\u5e76\u4e14\u4f7f\u7528\u7c7b\u4f3c\u7684 1310 \u7eb3\u7c73\u4e0a\u884c\u6ce2\u957f\u548c 1490 \u7eb3\u7c73\u4e0b\u884c\u6ce2\u957f\uff0c\u56e0\u4e3a\u6b64 E-PON \u548c G-PON \u4e0d\u80fd\u90e8\u7f72\u5728\u76f8\u540c\u7684 PON \u7f51\u7edc\u4e0a\u3002<\/p><ul class=\"wp-block-list\"><li>10G-EPON<\/li><\/ul><p>\u66f4\u5148\u8fdb\u7684 10G-EPON \u6807\u51c6\u5c06\u4e0a\u884c\u548c\u4e0b\u884c\u7684\u901f\u5ea6\u63d0\u9ad8\u5230\u5bf9\u79f0\u7684 10 Gbps\uff0c\u6b64\u5916\uff0c\u5b83\u4f7f\u7528 1577 \u7eb3\u7c73\u7684\u4e0b\u884c\u6ce2\u957f\u548c 1270 \u7eb3\u7c73\u7684\u4e0a\u884c\u6ce2\u957f\u5728\u4e0e E-PON \u4e0d\u540c\u7684\u6ce2\u957f\u4e0a\u64cd\u4f5c\uff0c\u8fd9\u4f7f\u5f97\u76f8\u540c\u7684 PON \u80fd\u591f\u540c\u65f6\u7528\u4e8e E-PON \u548c 10G-EPON\uff0c\u4f5c\u4e3a\u5141\u8bb8\u5728\u73b0\u6709\u7684 PON \u7f51\u7edc\u4e0a\u65e0\u7f1d\u670d\u52a1\u5347\u7ea7\u548c\u5bb9\u91cf\u589e\u52a0\u7684\u673a\u5236\u3002<\/p><ul class=\"wp-block-list\"><li>XG(S)-PON<\/li><\/ul><p>10G \u7248\u672c\u7684 G-PON \u79f0\u4e3a XG-PON\u3002\u6b64\u65b0\u534f\u8bae\u652f\u6301\u4e0b\u884c 10 Gbps \u548c\u4e0a\u884c 2.5 Gbps \u7684\u901f\u5ea6\u3002\u867d\u7136\u7269\u7406\u5149\u7ea4\u548c\u6570\u636e\u683c\u5f0f\u5316\u7ea6\u5b9a\u4e0e\u6700\u521d\u7684 G-PON \u76f8\u540c\uff0c\u4f46\u4e0e 10G-EPON \u975e\u5e38\u76f8\u4f3c\uff0c\u6ce2\u957f\u5df2\u53d8\u5316\u4e3a\u4e0b\u884c 1577 \u7eb3\u7c73\uff0c\u4e0a\u884c 1270 \u7eb3\u7c73\u3002\u540c\u6837\uff0c\u6b64\u8c03\u6574\u4f7f\u5f97\u76f8\u540c\u7684 PON \u7f51\u7edc\u80fd\u591f\u540c\u65f6\u7528\u4e8e G-PON \u548c XG-PON\u3002XG-PON \u7684\u589e\u5f3a\u7248\u672c\u662f XGS-PON\uff0c\u5b83\u4f7f\u7528\u4e0e XG-PON \u76f8\u540c\u7684\u6ce2\u957f\uff0c\u5e76\u63d0\u4f9b\u5bf9\u79f0\u7684 10 Gbps \u4e0a\u884c\u548c\u4e0b\u884c\u901f\u7387\u3002<\/p><ul class=\"wp-block-list\"><li>NG-PON2<\/li><\/ul><p>\u8d85\u8d8a XG(S) \u7684\u662f NG-PON2\uff0c\u8be5\u6280\u672f\u5229\u7528\u5177\u6709\u591a\u4e2a 10G \u6ce2\u957f\u7684\u6ce2\u5206\u590d\u7528\uff08\u4e0a\u884c\u548c\u4e0b\u884c\uff09\u6765\u63d0\u4f9b\u5bf9\u79f0\u7684 40 Gbps \u670d\u52a1\u3002\u540c\u6837\uff0cNG-PON2 \u5bf9 G-PON \u548c XG\/XGS-PON \u4f7f\u7528\u4e0d\u540c\u7684\u6ce2\u957f\uff0c\u4f7f\u5f97\u8fd9\u4e09\u79cd\u6ce2\u957f\u53ef\u4ee5\u5728\u540c\u4e00\u4e2a PON \u7f51\u7edc\u4e0a\u5171\u5b58\u3002<\/p><p>\u968f\u7740\u901f\u5ea6\u9700\u6c42\u9010\u5e74\u6301\u7eed\u589e\u957f\uff0cXG-PON\u3001XGS-PON \u548c NG-PON2 \u5c06\u63d0\u4f9b\u4e00\u6761\u5347\u7ea7\u8def\u5f84\uff0c\u5728\u5927\u578b\u591a\u79df\u6237\u6216\u4f01\u4e1a\u5ba2\u6237\u7aef\u8bbe\u7f6e\u4e2d\u4ee5\u53ca\u4f5c\u4e3a\u65e0\u7ebf 5G \u7f51\u7edc\u7684\u4e00\u90e8\u5206\uff0c\u5e94\u8be5\u7279\u522b\u6709\u76ca\u3002<\/p><ul class=\"wp-block-list\"><li>\u5c04\u9891\u89c6\u9891\u8986\u76d6<\/li><\/ul><p>\u901a\u8fc7\u5c06\u5c04\u9891 TV \u4fe1\u53f7\uff08\u6a21\u62df\u6216\u6570\u5b57\uff09\u8c03\u5236\u5230\u901a\u5e38\u4f7f\u7528 1550 \u7eb3\u7c73\u6ce2\u957f\u7684\u5355\u4e2a\u6ce2\u957f\u7684\u5149\u4e0a\uff0c\u53ef\u4ee5\u5728 PON \u4e0a\u5e7f\u64ad\u5c04\u9891 TV \u4fe1\u53f7\uff0c\u8fd9\u79f0\u4e3a\u5c04\u9891\u89c6\u9891\u8986\u76d6\u3002<\/p><h1 class=\"wp-block-heading\">PON \u5e94\u7528<\/h1><p>PON \u6709\u65f6\u88ab\u79f0\u4e3a\u63d0\u4f9b\u5546\u548c\u7528\u6237\u4e4b\u95f4\u7684\u201c\u6700\u540e\u4e00\u82f1\u91cc\u201d\uff0c\u6216\u8005\u5149\u7ea4\u5230 X (FTTX)\uff0c\u5176\u4e2d\u201cX\u201d\u8868\u793a\u5bb6\u5ead (FTTH)\u3001\u5efa\u7b51\u7269 (FTTB)\u3001\u9a7b\u5730 (FTTP) \u6216\u5176\u4ed6\u4f4d\u7f6e\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u5149\u7ea4\u7684\u7ec8\u7aef\u4f4d\u7f6e\u3002\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u5149\u7ea4\u5230\u6237 (FTTH) \u662f PON \u7684\u4e3b\u8981\u5e94\u7528\u3002<\/p><p>\u65e0\u6e90\u5149\u7f51\u7edc\u51cf\u5c11\u7684\u5e03\u7ebf\u57fa\u7840\u8bbe\u65bd\uff08\u65e0\u6709\u6e90\u5143\u4ef6\uff09\u548c\u7075\u6d3b\u7684\u5a92\u4f53\u4f20\u8f93\u5c5e\u6027\u4f7f\u5176\u6210\u4e3a\u5bb6\u5ead\u4e92\u8054\u7f51\u3001\u8bed\u97f3\u548c\u89c6\u9891\u5e94\u7528\u7684\u7406\u60f3\u9009\u62e9\u3002\u968f\u7740 PON \u6280\u672f\u7684\u4e0d\u65ad\u5b8c\u5584\uff0c\u5176\u6f5c\u5728\u7684\u5e94\u7528\u9886\u57df\u4e5f\u5728\u4e0d\u65ad\u6269\u5927\u3002<\/p><p>5G \u7684\u63a8\u51fa\u4ecd\u5728\u7ee7\u7eed\uff0cPON \u7f51\u7edc\u51fa\u73b0\u4e86\u4e00\u4e2a\u65b0\u7684\u5e94\u7528\uff0c\u5373 5G \u524d\u4f20\u3002\u524d\u4f20\u662f\u57fa\u5e26\u63a7\u5236\u5668\u548c\u57fa\u7ad9\u8fdc\u7a0b\u65e0\u7ebf\u7535\u5934\u7aef\u4e4b\u95f4\u7684\u8fde\u63a5\u3002<\/p><p>\u7531\u4e8e 5G \u5bf9\u5e26\u5bbd\u548c\u5ef6\u8fdf\u7684\u8981\u6c42\uff0c\u5229\u7528 PON \u7f51\u7edc\u5b8c\u6210\u524d\u4f20\u8fde\u63a5\u53ef\u4ee5\u5728\u4e0d\u5f71\u54cd\u6027\u80fd\u7684\u60c5\u51b5\u4e0b\u51cf\u5c11\u5149\u7ea4\u6570\u91cf\u5e76\u63d0\u9ad8\u6548\u7387\u3002\u5c31\u50cf FTTH \u7684\u6e90\u4fe1\u53f7\u5728\u7528\u6237\u4e4b\u95f4\u8fdb\u884c\u5206\u914d\u4e00\u6837\uff0c\u6765\u81ea\u57fa\u5e26\u5355\u5143\u7684\u4fe1\u53f7\u53ef\u4ee5\u5206\u914d\u5230\u4e00\u7cfb\u5217\u8fdc\u7a0b\u65e0\u7ebf\u7535\u5934\u7aef\u3002<\/p><p>\u975e\u5e38\u9002\u5408\u65e0\u6e90\u5149\u7f51\u7edc\u7684\u5176\u4ed6\u5e94\u7528\u5305\u62ec\u5927\u5b66\u6821\u56ed\u548c\u5546\u4e1a\u73af\u5883\u3002\u5bf9\u4e8e\u6821\u56ed\u5e94\u7528\uff0cPON \u7f51\u7edc\u5728\u901f\u5ea6\u3001\u80fd\u8017\u3001\u53ef\u9760\u6027\u548c\u63a5\u5165\u8ddd\u79bb\u65b9\u9762\u5177\u6709\u660e\u663e\u4f18\u52bf\uff0c\u4f46\u4e3b\u8981\u4f1a\u6709\u5efa\u8bbe\/\u90e8\u7f72\u548c\u6301\u7eed\u8fd0\u884c\u7684\u6210\u672c\u3002<\/p><p>PON \u901a\u8fc7\u51cf\u5c11\u4e13\u7528\u8bbe\u5907\u3001\u5e03\u7ebf\u548c\u7ba1\u7406\u7cfb\u7edf\uff0c\u5b9e\u73b0\u4e86\u5efa\u7b51\u7269\u7ba1\u7406\u3001\u5b89\u5168\u548c\u505c\u8f66\u7b49\u6821\u56ed\u529f\u80fd\u7684\u96c6\u6210\u3002\u540c\u6837\uff0c\u5927\u4e2d\u578b\u5546\u4e1a\u7efc\u5408\u4f53\u53ef\u4ee5\u4ece\u65e0\u6e90\u5149\u7f51\u7edc\u7684\u5b9e\u65bd\u4e2d\u7acb\u5373\u83b7\u76ca\uff0c\u5b89\u88c5\u548c\u7ef4\u62a4\u6210\u672c\u7684\u964d\u4f4e\u4f1a\u76f4\u63a5\u5f71\u54cd\u5229\u6da6\u3002<\/p><h1 class=\"wp-block-heading\">\u65e0\u6e90\u5149\u7f51\u7edc\u7684\u4f18\u52bf<\/h1><ul class=\"wp-block-list\"><li>\u9ad8\u6548\u4f7f\u7528\u7535\u529b<\/li><\/ul><p>PON \u90e8\u7f72\u7684\u56fa\u6709\u4f18\u52bf\u662f\u591a\u65b9\u9762\u7684\u3002\u8fd9\u4e9b\u4f18\u52bf\u4e2d\u6700\u57fa\u672c\u7684\u662f\u63a5\u5165\u7f51\u7edc\u4e0d\u9700\u8981\u4f9b\u7535\u3002\u7531\u4e8e\u53ea\u9700\u8981\u5728\u4fe1\u53f7\u7684\u6e90\u7aef\u548c\u63a5\u6536\u7aef\u4f9b\u7535\uff0c\u7cfb\u7edf\u4e2d\u7684\u7535\u6c14\u5143\u4ef6\u66f4\u5c11\uff0c\u964d\u4f4e\u4e86\u7ef4\u62a4\u8981\u6c42\uff0c\u51cf\u5c11\u4e86\u7528\u7535\u8bbe\u5907\u53d1\u751f\u6545\u969c\u7684\u53ef\u80fd\u6027\u3002<\/p><ul class=\"wp-block-list\"><li>\u7b80\u5316\u7684\u57fa\u7840\u8bbe\u65bd\uff0c\u6613\u4e8e\u5347\u7ea7<\/li><\/ul><p>\u65e0\u6e90\u67b6\u6784\u8fd8\u6d88\u9664\u4e86\u5bf9\u914d\u7ebf\u7bb1\u3001\u51b7\u5374\u57fa\u7840\u8bbe\u65bd\u6216\u4e2d\u8de8\u7535\u5b50\u8bbe\u5907\u7684\u9700\u6c42\u3002\u968f\u7740\u6280\u672f\u7684\u53d1\u5c55\uff0c\u53ea\u6709\u7ec8\u7aef\u8bbe\u5907\uff08OLT\u3001ONT\/ONU\uff09\u9700\u8981\u5347\u7ea7\u6216\u66f4\u6362\uff0c\u56e0\u4e3a\u5149\u7ea4\u548c\u5206\u8def\u5668\u57fa\u7840\u8bbe\u65bd\u4fdd\u6301\u4e0d\u53d8\u3002<\/p><ul class=\"wp-block-list\"><li>\u57fa\u7840\u8bbe\u65bd\u7684\u6709\u6548\u5229\u7528<\/li><\/ul><p>\u6240\u6709\u8fd0\u8425\u5546\u90fd\u9700\u8981\u4ece\u65b0\u7684\u6216\u73b0\u6709\u7684\u57fa\u7840\u8bbe\u65bd\u4e2d\u83b7\u5f97\u5c3d\u53ef\u80fd\u591a\u7684\u670d\u52a1\uff0c\u5e76\u5728\u73b0\u6709\u7f51\u7edc\u8986\u76d6\u8303\u56f4\u5185\u83b7\u5f97\u670d\u52a1\u5bb9\u91cf\u3002\u5404\u79cd PON \u6807\u51c6\u4e0e RF over Glass (RFoG) \u6216\u5c04\u9891\u89c6\u9891\u8986\u76d6\u7b49\u670d\u52a1\u76f8\u7ed3\u5408\uff0c\u53ef\u4ee5\u5728\u540c\u4e00\u4e2a PON \u4e0a\u5171\u5b58\uff0c\u4ee5\u63d0\u4f9b\u591a\u79cd\u670d\u52a1\uff08\u4e09\u7f51\u878d\u5408\uff09\uff0c\u5e76\u5728\u540c\u4e00\u5149\u7ea4\u4e0a\u83b7\u5f97\u66f4\u591a\u5e26\u5bbd\u3002<\/p><ul class=\"wp-block-list\"><li>\u6613\u4e8e\u7ef4\u62a4<\/li><\/ul><p>\u88ab PON \u53d6\u4ee3\u7684\u94dc\u7f06\u7f51\u7edc\u975e\u5e38\u5bb9\u6613\u53d7\u5230\u7535\u78c1\u5e72\u6270\u548c\u566a\u58f0\u7684\u5f71\u54cd\u3002\u7531\u4e8e\u662f\u5149\u7f51\u7edc\uff0cPON \u7f51\u7edc\u4e0d\u5bb9\u6613\u53d7\u5230\u8fd9\u79cd\u5e72\u6270\uff0c\u5e76\u4e14\u80fd\u5728\u8ba1\u5212\u7684\u8ddd\u79bb\u5185\u4fdd\u6301\u4fe1\u53f7\u5b8c\u6574\u6027\u3002\u5728 PON \u7f51\u7edc\u4e2d\uff0c\u6211\u4eec\u4e3b\u8981\u9700\u8981\u5173\u5fc3\u7684\u662f\u6709\u6e90\u8bbe\u5907\uff08ONT\u3001ONU \u548c OLT\uff09\u662f\u5426\u6b63\u786e\u5730\u7ba1\u7406\u4e86\u5b9a\u65f6\u548c\u4fe1\u53f7\u4f20\u8f93\uff0c\u4ee5\u53ca\u65e0\u6e90\u5143\u4ef6\u662f\u5426\u9020\u6210\u4e86\u8fc7\u591a\u7684\u4fe1\u53f7\u635f\u5931\uff08\u5149\u8870\u51cf\uff09\u3002\u635f\u8017\u5f88\u5bb9\u6613\u770b\u5230\uff0c\u5e76\u4e14\u5f88\u5bb9\u6613\u5728 PON \u5143\u4ef6\u4e0a\u786e\u5b9a\u539f\u56e0\uff0c\u4f7f\u5f97\u8fd9\u4e9b\u7f51\u7edc\u6613\u4e8e\u7ef4\u62a4\u548c\u8fdb\u884c\u6545\u969c\u6392\u67e5\u3002<\/p><h1 class=\"wp-block-heading\">\u65e0\u6e90\u5149\u7f51\u7edc\u7684\u9650\u5236<\/h1><ul class=\"wp-block-list\"><li>\u8ddd\u79bb<\/li><\/ul><p>\u5c3d\u7ba1\u6709\u8bb8\u591a\u597d\u5904\uff0c\u4f46\u4e0e\u6709\u6e90\u5149\u7f51\u7edc\u76f8\u6bd4\uff0c\u65e0\u6e90\u5149\u7f51\u7edc\u5b58\u5728\u6f5c\u5728\u7684\u7f3a\u70b9\u3002\u65e0\u6e90\u5149\u7f51\u7edc\u7684\u8303\u56f4\u88ab\u9650\u5236\u5728 20 \u5230 40 \u5343\u7c73\u4e4b\u95f4\uff0c\u800c\u6709\u6e90\u5149\u7f51\u7edc\u53ef\u4ee5\u8fbe\u5230 100 \u5343\u7c73\u3002<\/p><ul class=\"wp-block-list\"><li>\u6d4b\u8bd5\u63a5\u5165<\/li><\/ul><p>\u6545\u969c\u6392\u67e5\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u80fd\u5177\u6709\u6311\u6218\u6027\uff0c\u56e0\u4e3a\u5728\u8bbe\u8ba1 PON \u65f6\u53ef\u80fd\u4f1a\u5fd8\u8bb0\u6216\u5ffd\u7565\u6d4b\u8bd5\u63a5\u5165\uff0c\u5e76\u4e14\u6d4b\u8bd5\u5de5\u5177\u5fc5\u987b\u5141\u8bb8\u8fdb\u884c\u5728\u7ebf\u6545\u969c\u6392\u67e5\uff0c\u800c\u4e0d\u4f1a\u4e2d\u65ad\u5bf9\u540c\u4e00 PON \u4e0a\u7684\u5176\u4ed6\u6700\u7ec8\u7528\u6237\u7684\u670d\u52a1\u3002\u5982\u679c\u5b58\u5728\u6d4b\u8bd5\u63a5\u5165\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528\u4fbf\u643a\u5f0f\u6216\u96c6\u4e2d\u5f0f\u6d4b\u8bd5\u89e3\u51b3\u65b9\u6848\uff08\u4f7f\u7528\u5e26\u5916\u6ce2\u957f\uff0c\u4f8b\u5982 1650 \u7eb3\u7c73\uff09\u6267\u884c\u6d4b\u8bd5\uff0c\u4ee5\u907f\u514d\u4e0e\u73b0\u6709\u7684 PON \u6ce2\u957f\u53d1\u751f\u4efb\u4f55\u51b2\u7a81\u3002\u5982\u679c\u4e0d\u8ba1\u5212\u6d4b\u8bd5\u63a5\u5165\uff0c\u5219\u5fc5\u987b\u5728 OLT \u6216 ONT \u4ece\u4e00\u4e2a\u6216\u53e6\u4e00\u4e2a\u7aef\u70b9\u83b7\u5f97\u63a5\u5165\uff0c\u6216\u8005 PON \u7684\u4e00\u6bb5\u5fc5\u987b\u6682\u65f6\u505c\u6b62\u670d\u52a1\u3002<\/p><ul class=\"wp-block-list\"><li>\u9988\u7ebf\u7ebf\u8def\u6216 OLT \u6781\u6613\u53d1\u751f\u6545\u969c<\/li><\/ul><p>\u7531\u4e8e P2MP \u67b6\u6784\u7684\u539f\u56e0\uff0c\u9988\u7ebf\u7ebf\u8def\u548c OLT \u4e3a\u591a\u4e2a\u6700\u7ec8\u7528\u6237\uff08\u53ef\u80fd\u591a\u8fbe 256 \u4e2a\uff09\u63d0\u4f9b\u670d\u52a1\u3002\u51e0\u4e4e\u6ca1\u6709\u5197\u4f59\uff0c\u5728\u610f\u5916\u5149\u7ea4\u5207\u65ad\u6216 OLT \u6545\u969c\u7684\u60c5\u51b5\u4e0b\uff0c\u670d\u52a1\u4e2d\u65ad\u53ef\u80fd\u4f1a\u5f88\u4e25\u91cd\u3002<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/pon_diagram_03_700.jpg\"><img decoding=\"async\" width=\"700\" height=\"357\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/pon_diagram_03_700.jpg\" alt=\"\" class=\"wp-image-4668\" srcset=\"http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2021\/08\/pon_diagram_03_700.jpg 700w, http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2021\/08\/pon_diagram_03_700-300x153.jpg 300w, http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2021\/08\/pon_diagram_03_700-600x306.jpg 600w, http:\/\/www.comtest.com.cn\/wp-content\/uploads\/2021\/08\/pon_diagram_03_700-64x33.jpg 64w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><\/figure><\/div><p>\u603b\u4f53\u800c\u8a00\uff0c\u65e0\u6e90\u5149\u7f51\u7edc\u7684\u56fa\u6709\u4f18\u52bf\u5927\u5927\u8d85\u8fc7\u4e86\u8fd9\u4e9b\u9650\u5236\u3002<\/p><p>\u968f\u7740 PON \u6280\u672f\u7684\u4e0d\u65ad\u63d0\u9ad8\uff0cPON \u90e8\u7f72\u7684\u6218\u7565\u4f18\u52bf\u548c\u7ecf\u6d4e\u4f18\u52bf\u8d8a\u6765\u8d8a\u5f15\u4eba\u6ce8\u76ee\u3002\u672a\u6765\u51e0\u4ee3\u4ea7\u54c1\u7684\u8bbe\u8ba1\u5e08\u9762\u4e34\u7684\u6311\u6218\u5305\u62ec\u66f4\u9ad8\u7684\u8303\u56f4\u5bb9\u91cf\u548c\u66f4\u9ad8\u7684\u5206\u8def\u5668\u6bd4\u7387\uff0c\u4ee5\u8fdb\u4e00\u6b65\u964d\u4f4e\u7535\u7f06\u6210\u672c\u3002\u8fd9\u4e9b\u6539\u8fdb\uff0c\u52a0\u4e0a\u73b0\u5728\u8fbe\u5230 10 Gbps \u53ca\u4ee5\u4e0a\u7684\u901f\u5ea6\uff0c\u5c06\u6709\u52a9\u4e8e\u65e0\u6e90\u5149\u7f51\u7edc\u7ee7\u7eed\u6269\u5c55\u5230\u667a\u80fd\u57ce\u5e02\u3001\u5927\u5b66\u3001\u533b\u9662\u548c\u4f01\u4e1a\uff0c\u6784\u6210\u672a\u6765\u7684\u4e92\u8054\u4e16\u754c\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u65e0\u6e90\u5149\u7f51\u7edc (PON) 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