{"id":477008,"date":"2023-08-09T09:06:01","date_gmt":"2023-08-09T09:06:01","guid":{"rendered":""},"modified":"2024-01-04T06:22:15","modified_gmt":"2024-01-04T06:22:15","slug":"dslam","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/cn\/wiki\/dslam\/","title":{"rendered":"DSLAM"},"content":{"rendered":"<p>DSLAM \u4ee3\u8868\u6570\u5b57\u7528\u6237\u7ebf\u8def\u63a5\u5165\u590d\u7528\u5668\uff0c\u662f\u4e00\u79cd\u7f51\u7edc\u8bbe\u5907\uff0c\u7528\u4e8e\u7ba1\u7406\u6765\u81ea\u591a\u4e2a\u5ba2\u6237\u7684\u6570\u5b57\u7528\u6237\u7ebf\u8def (DSL) \u5e76\u5c06\u5176\u805a\u5408\u5230\u901a\u5411\u670d\u52a1\u63d0\u4f9b\u5546\u6838\u5fc3\u7f51\u7edc\u7684\u9ad8\u5bb9\u91cf\u94fe\u8def\u4e2d\u3002\u5b83\u662f\u63d0\u4f9b\u57fa\u4e8e DSL \u7684\u5bbd\u5e26\u670d\u52a1\u7684\u5173\u952e\u7ec4\u4ef6\uff0c\u53ef\u901a\u8fc7\u4f20\u7edf\u94dc\u8d28\u7535\u8bdd\u7ebf\u5b9e\u73b0\u9ad8\u901f\u4e92\u8054\u7f51\u63a5\u5165\u3002<\/p>\n<h2>DSLAM \u7684\u8d77\u6e90\u5386\u53f2\u53ca\u5176\u9996\u6b21\u63d0\u53ca<\/h2>\n<p>DSLAM \u7684\u5386\u53f2\u53ef\u4ee5\u8ffd\u6eaf\u5230 20 \u4e16\u7eaa 90 \u5e74\u4ee3\u672b\uff0c\u5f53\u65f6\u5bbd\u5e26\u4e92\u8054\u7f51\u63a5\u5165\u7684\u9700\u6c42\u5f00\u59cb\u6fc0\u589e\u3002\u7531\u4e8e\u62e8\u53f7\u8fde\u63a5\u65e0\u6cd5\u518d\u6ee1\u8db3\u5bf9\u66f4\u5feb\u6570\u636e\u4f20\u8f93\u65e5\u76ca\u589e\u957f\u7684\u9700\u6c42\uff0c\u7535\u4fe1\u516c\u53f8\u5f00\u59cb\u63a2\u7d22\u80fd\u591f\u66f4\u6709\u6548\u5730\u5229\u7528\u73b0\u6709\u94dc\u7ebf\u57fa\u7840\u8bbe\u65bd\u7684\u65b0\u6280\u672f\u3002DSL \u6280\u672f\u4f5c\u4e3a\u4e00\u79cd\u53ef\u884c\u7684\u89e3\u51b3\u65b9\u6848\u5e94\u8fd0\u800c\u751f\uff0c\u968f\u4e4b\u800c\u6765\u7684\u662f\uff0c\u5bf9\u9ad8\u6548\u805a\u5408 DSL \u8fde\u63a5\u7684\u8bbe\u5907\u7684\u9700\u6c42\u4e5f\u53d8\u5f97\u663e\u800c\u6613\u89c1\u3002DSLAM \u7684\u9996\u6b21\u63d0\u53ca\u53ef\u4ee5\u8ffd\u6eaf\u5230\u4e0e DSL \u90e8\u7f72\u76f8\u5173\u7684\u65e9\u671f\u6280\u672f\u6587\u6863\u548c\u6807\u51c6\u3002<\/p>\n<h2>\u6709\u5173 DSLAM \u7684\u8be6\u7ec6\u4fe1\u606f<\/h2>\n<p>DSLAM \u662f\u7535\u4fe1\u57fa\u7840\u8bbe\u65bd\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u8d1f\u8d23\u4e3a\u5bb6\u5ead\u548c\u4f01\u4e1a\u63d0\u4f9b\u57fa\u4e8e DSL \u7684\u5bbd\u5e26\u670d\u52a1\u3002\u5b83\u5145\u5f53\u805a\u5408\u70b9\uff0c\u591a\u4e2a\u5355\u72ec\u7684 DSL \u8fde\u63a5\u5728\u6b64\u7ec4\u5408\u5e76\u8fde\u63a5\u5230\u63d0\u4f9b\u5546\u7684\u6838\u5fc3\u7f51\u7edc\u3002DSLAM \u901a\u5e38\u90e8\u7f72\u5728\u7535\u8bdd\u4ea4\u6362\u673a\u6216\u5ba2\u6237\u573a\u6240\uff0c\u7528\u4e8e\u5149\u7ea4\u5230\u8282\u70b9 (FTTN) \u548c\u5149\u7ea4\u5230\u673a\u67dc (FTTC) \u67b6\u6784\u3002<\/p>\n<h2>DSLAM\u7684\u5185\u90e8\u7ed3\u6784\uff1aDSLAM\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>DSLAM \u5177\u6709\u5206\u5c42\u7ed3\u6784\uff0c\u7531\u5404\u79cd\u7ec4\u4ef6\u7ec4\u6210\uff0c\u8fd9\u4e9b\u7ec4\u4ef6\u5171\u540c\u7ba1\u7406 DSL \u8fde\u63a5\u5e76\u786e\u4fdd\u65e0\u7f1d\u6570\u636e\u4f20\u8f93\u3002\u5185\u90e8\u7ed3\u6784\u901a\u5e38\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>\u7ebf\u8def\u5361\uff1a\u8fd9\u4e9b\u662f\u5c06\u5404\u4e2a\u7528\u6237\u7ebf\u8def\u8fde\u63a5\u5230 DSLAM \u7684\u63a5\u53e3\u5361\u3002\u7ebf\u8def\u5361\u652f\u6301\u5404\u79cd DSL \u6280\u672f\uff0c\u4f8b\u5982 ADSL\u3001VDSL \u6216 G.fast\uff0c\u4ece\u800c\u4f7f DSLAM \u80fd\u591f\u6ee1\u8db3\u4e0d\u540c\u7684\u8fde\u63a5\u7c7b\u578b\u3002<\/li>\n<li>\u4ea4\u6362\u7ed3\u6784\uff1a\u4ea4\u6362\u7ed3\u6784\u8d1f\u8d23\u8def\u7531\u548c\u7ba1\u7406\u7ebf\u5361\u548c\u6838\u5fc3\u7f51\u7edc\u4e4b\u95f4\u7684\u6570\u636e\u6d41\u91cf\u3002<\/li>\n<li>\u63a7\u5236\u5904\u7406\u5668\uff1a\u63a7\u5236\u5904\u7406\u5668\u8d1f\u8d23\u76d1\u7763 DSLAM \u7684\u6574\u4f53\u64cd\u4f5c\uff0c\u5904\u7406\u914d\u7f6e\u3001\u7ebf\u8def\u7ba1\u7406\u548c\u76d1\u63a7\u7b49\u4efb\u52a1\u3002<\/li>\n<li>\u4e0a\u884c\u94fe\u8def\u63a5\u53e3\uff1a\u8fd9\u4e9b\u63a5\u53e3\u901a\u5e38\u901a\u8fc7\u4ee5\u592a\u7f51\u6216\u5149\u7ea4\u8fde\u63a5\u5c06 DSLAM \u8fde\u63a5\u5230\u63d0\u4f9b\u5546\u7684\u6838\u5fc3\u7f51\u7edc\u3002<\/li>\n<\/ol>\n<p>\u5f53\u7528\u6237\u53d1\u8d77\u4e92\u8054\u7f51\u8bf7\u6c42\u65f6\uff0cDSLAM \u63a5\u6536\u6570\u636e\u5e76\u901a\u8fc7\u6838\u5fc3\u7f51\u7edc\u5c06\u5176\u8f6c\u53d1\u5230\u9002\u5f53\u7684\u76ee\u7684\u5730\u3002\u540c\u6837\uff0c\u6765\u81ea\u6838\u5fc3\u7f51\u7edc\u7684\u6570\u636e\u88ab\u5b9a\u5411\u5230\u76f8\u5e94\u7528\u6237\u7684 DSL \u7ebf\u8def\uff0c\u5b8c\u6210\u53cc\u5411\u6570\u636e\u6d41\u3002<\/p>\n<h2>DSLAM\u4e3b\u8981\u7279\u70b9\u5206\u6790<\/h2>\n<p>DSLAM \u5177\u6709\u591a\u9879\u5173\u952e\u529f\u80fd\uff0c\u8fd9\u4e9b\u529f\u80fd\u5bf9\u4e8e\u901a\u8fc7 DSL \u8fde\u63a5\u63d0\u4f9b\u5bbd\u5e26\u670d\u52a1\u81f3\u5173\u91cd\u8981\uff1a<\/p>\n<ol>\n<li>\u805a\u5408\uff1aDSLAM \u53ef\u6709\u6548\u5730\u5c06\u591a\u6761 DSL \u7ebf\u8def\u805a\u5408\u4e3a\u5355\u4e2a\u9ad8\u901f\u94fe\u8def\uff0c\u4ece\u800c\u4f18\u5316\u73b0\u6709\u94dc\u7ebf\u57fa\u7840\u8bbe\u65bd\u7684\u4f7f\u7528\u3002<\/li>\n<li>\u9ad8\u901f\u8fde\u63a5\uff1a\u901a\u8fc7\u652f\u6301 VDSL \u548c G.fast \u7b49 DSL \u6280\u672f\uff0cDSLAM \u53ef\u4ee5\u63d0\u4f9b\u9ad8\u901f\u4e92\u8054\u7f51\u63a5\u5165\uff0c\u5176\u6027\u80fd\u53ef\u4e0e\u57fa\u4e8e\u5149\u7ea4\u7684\u8fde\u63a5\u76f8\u5ab2\u7f8e\u3002<\/li>\n<li>\u8ddd\u79bb\u9650\u5236\uff1aDSL \u8fde\u63a5\u53d7\u8ddd\u79bb\u9650\u5236\uff0c\u4fe1\u53f7\u5f3a\u5ea6\u4f1a\u968f\u94dc\u7ebf\u957f\u5ea6\u7684\u589e\u52a0\u800c\u4e0b\u964d\u3002DSLAM \u7684\u653e\u7f6e\u4f4d\u7f6e\u7ecf\u8fc7\u7cbe\u5fc3\u8bbe\u8ba1\uff0c\u53ef\u786e\u4fdd\u53ef\u63a5\u53d7\u8303\u56f4\u5185\u7684\u7528\u6237\u53ef\u4ee5\u8bbf\u95ee\u53ef\u9760\u7684\u9ad8\u901f\u4e92\u8054\u7f51\u3002<\/li>\n<li>\u7528\u6237\u7ba1\u7406\uff1aDSLAM \u63d0\u4f9b\u5168\u9762\u7684\u7528\u6237\u7ba1\u7406\u529f\u80fd\uff0c\u5141\u8bb8\u670d\u52a1\u63d0\u4f9b\u5546\u76d1\u63a7\u3001\u914d\u7f6e\u548c\u6392\u9664\u5355\u4e2a DSL \u8fde\u63a5\u7684\u6545\u969c\u3002<\/li>\n<\/ol>\n<h2>DSLAM \u7684\u7c7b\u578b<\/h2>\n<p>DSLAM \u53ef\u6839\u636e\u5176\u90e8\u7f72\u4f4d\u7f6e\u548c\u67b6\u6784\u8fdb\u884c\u5206\u7c7b\u3002\u4e3b\u8981\u7c7b\u578b\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u4e2d\u592e\u5c40 DSLAM\uff1a\u8fd9\u4e9b\u8bbe\u5907\u901a\u5e38\u5b89\u88c5\u5728\u670d\u52a1\u63d0\u4f9b\u5546\u7684\u7535\u8bdd\u4ea4\u6362\u673a\u6216\u4e2d\u592e\u5c40\u3002\u5b83\u4eec\u4f1a\u805a\u5408\u7279\u5b9a\u5730\u7406\u533a\u57df\u5185\u591a\u4e2a\u5ba2\u6237\u7684 DSL \u8fde\u63a5\u3002<\/li>\n<li>\u8fdc\u7a0b DSLAM\uff1a\u5728 FTTN \u548c FTTC \u67b6\u6784\u4e2d\uff0c\u8fdc\u7a0b DSLAM \u653e\u7f6e\u5728\u66f4\u9760\u8fd1\u6700\u7ec8\u7528\u6237\u7684\u4f4d\u7f6e\uff0c\u4ece\u800c\u7f29\u77ed\u4e86\u94dc\u7ebf\u73af\u8def\u957f\u5ea6\u5e76\u63d0\u9ad8\u4e86 DSL \u8fde\u63a5\u7684\u8d28\u91cf\u3002<\/li>\n<li>\u5ba2\u6237\u573a\u6240 DSLAM\uff1a\u5bf9\u4e8e\u4e00\u4e9b\u5546\u4e1a\u548c\u4f4f\u5b85\u7efc\u5408\u4f53\uff0cDSLAM \u53ef\u4ee5\u76f4\u63a5\u5b89\u88c5\u5728\u5ba2\u6237\u573a\u6240\uff0c\u4e3a\u5927\u697c\u5185\u7684\u591a\u4e2a\u7528\u6237\u63d0\u4f9b\u9ad8\u901f\u4e92\u8054\u7f51\u63a5\u5165\u3002<\/li>\n<\/ol>\n<table>\n<thead>\n<tr>\n<th>DSLAM \u7c7b\u578b<\/th>\n<th>\u90e8\u7f72\u4f4d\u7f6e<\/th>\n<th>\u5efa\u7b51\u5b66<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5c40\u7aefDSLAM<\/td>\n<td>\u7535\u8bdd\u4ea4\u6362\u673a<\/td>\n<td>\u96c6\u4e2d<\/td>\n<\/tr>\n<tr>\n<td>\u8fdc\u7a0bDSLAM<\/td>\n<td>\u66f4\u8d34\u8fd1\u6700\u7ec8\u7528\u6237<\/td>\n<td>\u53bb\u4e2d\u5fc3\u5316<\/td>\n<\/tr>\n<tr>\n<td>\u5ba2\u6237\u573a\u6240 DSLAM<\/td>\n<td>\u5ba2\u6237\u573a\u6240<\/td>\n<td>\u73b0\u573a\u90e8\u7f72<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>DSLAM\u7684\u4f7f\u7528\u65b9\u6cd5\u3001\u4f7f\u7528\u4e2d\u5b58\u5728\u7684\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6cd5<\/h2>\n<p>DSLAM \u5728\u4e3a\u5ba2\u6237\u63d0\u4f9b\u9ad8\u901f\u5bbd\u5e26\u670d\u52a1\u65b9\u9762\u53d1\u6325\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u7136\u800c\uff0c\u5b83\u4eec\u7684\u4f7f\u7528\u4e5f\u5b58\u5728\u4e00\u4e9b\u6311\u6218\u548c\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n<ol>\n<li><strong>\u8ddd\u79bb\u9650\u5236<\/strong>\uff1aDSL \u8fde\u63a5\u5bf9\u8ddd\u79bb\u654f\u611f\uff0c\u8ddd\u79bb DSLAM \u8f83\u8fdc\u7684\u7528\u6237\u53ef\u80fd\u4f1a\u9047\u5230\u8f83\u6162\u7684\u901f\u5ea6\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u63d0\u4f9b\u5546\u5fc5\u987b\u4f18\u5316 DSLAM \u5e03\u5c40\uff0c\u5e76\u8003\u8651\u4f7f\u7528 VDSL \u6216 G.fast \u7b49\u6280\u672f\uff0c\u8fd9\u4e9b\u6280\u672f\u53ef\u4ee5\u5728\u8f83\u77ed\u7684\u94dc\u7ebf\u73af\u8def\u4e0a\u63d0\u4f9b\u66f4\u9ad8\u7684\u901f\u5ea6\u3002<\/li>\n<li><strong>\u4e32\u6270<\/strong>\uff1a\u5728\u591a\u6761 DSL \u7ebf\u8def\u8ddd\u79bb\u8f83\u8fd1\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u80fd\u4f1a\u53d1\u751f\u4e32\u6270\uff0c\u4ece\u800c\u964d\u4f4e\u4fe1\u53f7\u8d28\u91cf\u3002\u5148\u8fdb\u7684\u566a\u58f0\u6d88\u9664\u6280\u672f\u548c\u77e2\u91cf\u5316\u6280\u672f\u53ef\u4ee5\u7f13\u89e3\u6b64\u95ee\u9898\u3002<\/li>\n<li><strong>\u5bb9\u91cf\u9650\u5236<\/strong>\uff1a\u968f\u7740\u5bf9\u9ad8\u901f\u4e92\u8054\u7f51\u7684\u9700\u6c42\u4e0d\u65ad\u589e\u957f\uff0cDSLAM \u5fc5\u987b\u80fd\u591f\u5904\u7406\u8d8a\u6765\u8d8a\u591a\u7684\u7528\u6237\u3002\u63d0\u4f9b\u5546\u53ef\u4ee5\u5347\u7ea7\u5230\u66f4\u9ad8\u5bb9\u91cf\u7684 DSLAM \u6216\u8fc7\u6e21\u5230\u57fa\u4e8e\u5149\u7ea4\u7684\u6280\u672f\uff0c\u4ee5\u5b9e\u73b0\u66f4\u597d\u7684\u53ef\u6269\u5c55\u6027\u3002<\/li>\n<li><strong>\u9057\u7559\u57fa\u7840\u8bbe\u65bd<\/strong>\uff1aDSLAM \u4e25\u91cd\u4f9d\u8d56\u73b0\u6709\u7684\u94dc\u7ebf\u57fa\u7840\u8bbe\u65bd\uff0c\u4e0e\u5149\u7ea4\u89e3\u51b3\u65b9\u6848\u76f8\u6bd4\uff0c\u8fd9\u53ef\u80fd\u4f1a\u9650\u5236\u5176\u6027\u80fd\u3002\u63d0\u4f9b\u5546\u53ef\u4ee5\u8003\u8651\u9010\u6b65\u7528\u5149\u7ea4\u53d6\u4ee3\u94dc\u7ebf\uff0c\u4ee5\u63d0\u4f9b\u66f4\u5feb\u3001\u66f4\u53ef\u9760\u7684\u8fde\u63a5\u3002<\/li>\n<\/ol>\n<h2>\u4e3b\u8981\u7279\u70b9\u53ca\u4e0e\u540c\u7c7b\u672f\u8bed\u7684\u6bd4\u8f83<\/h2>\n<p>\u4e0b\u9762\u5bf9DSLAM\u4e0e\u7c7b\u4f3c\u672f\u8bed\u7684\u6bd4\u8f83\u4ee5\u53ca\u5176\u4e3b\u8981\u7279\u70b9\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5b66\u671f<\/th>\n<th>\u63cf\u8ff0<\/th>\n<th>\u4e3b\u8981\u7279\u5f81<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>DSLAM<\/td>\n<td>\u6570\u5b57\u7528\u6237\u7ebf\u8def\u63a5\u5165\u590d\u7528\u5668<\/td>\n<td>\u805a\u5408\u591a\u4e2a DSL \u8fde\u63a5<\/td>\n<\/tr>\n<tr>\n<td>\u8c03\u5236\u89e3\u8c03\u5668<\/td>\n<td>\u8c03\u5236\u89e3\u8c03\u5668<\/td>\n<td>\u901a\u8fc7 DSL \u5c06\u5404\u4e2a\u8bbe\u5907\u8fde\u63a5\u5230\u7f51\u7edc<\/td>\n<\/tr>\n<tr>\n<td>\u5bbd\u5e26\u8def\u7531\u5668<\/td>\n<td>\u5c06\u591a\u4e2a\u8bbe\u5907\u8fde\u63a5\u5230\u7f51\u7edc\u5e76\u5171\u4eab\u4e92\u8054\u7f51\u8bbf\u95ee<\/td>\n<td>\u901a\u5e38\u5305\u542b\u5185\u7f6e DSL \u8c03\u5236\u89e3\u8c03\u5668<\/td>\n<\/tr>\n<tr>\n<td>OLT\uff08\u5149\u7ebf\u8def\u7ec8\u7aef\uff09<\/td>\n<td>\u57fa\u4e8e\u5149\u7ea4\u7684\u5bbd\u5e26\u63a5\u5165\u8bbe\u5907<\/td>\n<td>\u901a\u8fc7\u5149\u7ea4\u7ebf\u8def\u8fde\u63a5\u591a\u4e2a\u7528\u6237<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u4e0e DSLAM \u76f8\u5173\u7684\u672a\u6765\u524d\u666f\u548c\u6280\u672f<\/h2>\n<p>\u867d\u7136 DSLAM \u5728\u63d0\u4f9b\u5bbd\u5e26\u670d\u52a1\u65b9\u9762\u53d1\u6325\u4e86\u91cd\u8981\u4f5c\u7528\uff0c\u4f46\u672a\u6765\u7684\u6280\u672f\u53ef\u80fd\u4f1a\u8f6c\u5411\u57fa\u4e8e\u5149\u7ea4\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u4f8b\u5982\u5149\u7ea4\u5230\u6237 (FTTH) \u6216\u5176\u4ed6\u9ad8\u901f\u66ff\u4ee3\u65b9\u6848\u3002\u4e0e\u94dc\u7ebf DSL \u76f8\u6bd4\uff0c\u5149\u7ea4\u8fde\u63a5\u7684\u901f\u5ea6\u660e\u663e\u66f4\u5feb\uff0c\u6027\u80fd\u4e5f\u66f4\u53ef\u9760\u3002\u968f\u7740\u5bf9\u66f4\u5feb\u4e92\u8054\u7f51\u7684\u9700\u6c42\u4e0d\u65ad\u589e\u957f\uff0c\u7535\u4fe1\u63d0\u4f9b\u5546\u53ef\u80fd\u4f1a\u52a0\u5927\u5bf9\u5149\u7ea4\u57fa\u7840\u8bbe\u65bd\u7684\u6295\u8d44\uff0c\u9010\u6b65\u6dd8\u6c70\u4f20\u7edf\u7684\u57fa\u4e8e DSLAM \u7684\u7f51\u7edc\u3002<\/p>\n<h2>\u5982\u4f55\u4f7f\u7528\u4ee3\u7406\u670d\u52a1\u5668\u6216\u5c06\u5176\u4e0e DSLAM \u5173\u8054<\/h2>\n<p>\u4ee3\u7406\u670d\u52a1\u5668\u548c DSLAM \u5e76\u6ca1\u6709\u76f4\u63a5\u5173\u7cfb\uff0c\u4f46\u5b83\u4eec\u90fd\u5728\u7535\u4fe1\u548c\u4e92\u8054\u7f51\u670d\u52a1\u751f\u6001\u7cfb\u7edf\u4e2d\u53d1\u6325\u7740\u91cd\u8981\u4f5c\u7528\u3002\u4ee3\u7406\u670d\u52a1\u5668\u5145\u5f53\u7528\u6237\u548c\u4e92\u8054\u7f51\u4e4b\u95f4\u7684\u4e2d\u4ecb\uff0c\u63d0\u4f9b\u533f\u540d\u6027\u3001\u5b89\u5168\u6027\u548c\u5185\u5bb9\u8fc7\u6ee4\u529f\u80fd\u3002\u53e6\u4e00\u65b9\u9762\uff0cDSLAM \u662f\u8d1f\u8d23\u805a\u5408 DSL \u8fde\u63a5\u5e76\u4e3a\u7528\u6237\u63d0\u4f9b\u9ad8\u901f\u4e92\u8054\u7f51\u8bbf\u95ee\u7684\u8bbe\u5907\u3002\u867d\u7136\u5b83\u4eec\u7684\u7528\u9014\u4e0d\u540c\uff0c\u4f46\u8fd9\u4e24\u79cd\u6280\u672f\u90fd\u6709\u52a9\u4e8e\u63d0\u5347\u7528\u6237\u7684\u6574\u4f53\u4e92\u8054\u7f51\u4f53\u9a8c\u3002<\/p>\n<h2>\u76f8\u5173\u94fe\u63a5<\/h2>\n<p>\u6709\u5173 DSLAM \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u60a8\u53ef\u4ee5\u53c2\u8003\u4ee5\u4e0b\u8d44\u6e90\uff1a<\/p>\n<ol>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Digital_subscriber_line_access_multiplexer\" target=\"_new\" rel=\"noopener nofollow\">DSLAM\u2014\u2014\u7ef4\u57fa\u767e\u79d1<\/a><\/li>\n<li><a href=\"https:\/\/www.cisco.com\/c\/dam\/en\/us\/td\/docs\/net_mgmt\/provisioning_center\/4-1\/ni1_dslam_equipment_module\/configuration\/guide\/ni1_emcg.pdf\" target=\"_new\" rel=\"noopener nofollow\">\u4e86\u89e3 DSLAM \u2013 \u601d\u79d1<\/a><\/li>\n<li><a href=\"https:\/\/www.juniper.net\/documentation\/us\/en\/software\/junos\/subscriber-mgmt-access\/topics\/topic-map\/subscriber-access-network-overview.html\" target=\"_new\" rel=\"noopener nofollow\">DSL \u548c DSLAM \u6280\u672f\u6982\u8ff0 \u2013 \u77bb\u535a\u7f51\u7edc<\/a><\/li>\n<\/ol>","protected":false},"featured_media":477009,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477008","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>DSLAM: Digital Subscriber Line Access Multiplexer<\/mark>","faq_items":[{"question":"What is a DSLAM?","answer":"A DSLAM, which stands for Digital Subscriber Line Access Multiplexer, is a network device that manages and aggregates digital subscriber lines (DSL) from multiple customers into a high-capacity link towards the service provider's core network. It is a crucial component in the delivery of DSL-based broadband services, enabling high-speed internet access over traditional copper telephone lines."},{"question":"How did DSLAM originate, and when was it first mentioned?","answer":"DSLAM's history can be traced back to the late 1990s when the demand for broadband internet access started to rise. As dial-up connections couldn't keep up with the need for faster data transmission, telecommunication companies sought new technologies that could utilize existing copper infrastructure more efficiently. DSL technology emerged as a viable solution, and the first mentions of DSLAM can be found in early technical documentation and standards related to DSL deployment."},{"question":"How does a DSLAM work, and what is its internal structure?","answer":"A DSLAM has a hierarchical structure that includes line cards, a switch fabric, and a control processor. Line cards are interface cards that connect individual subscriber lines to the DSLAM, supporting various DSL technologies such as ADSL, VDSL, or G.fast. The switch fabric routes and manages data traffic between the line cards and the core network. The control processor oversees the overall operation of the DSLAM, handling tasks like configuration, line management, and monitoring. Uplink interfaces connect the DSLAM to the provider's core network."},{"question":"What are the key features of DSLAM?","answer":"DSLAMs offer several key features, including aggregation of multiple DSL lines, high-speed connectivity through technologies like VDSL and G.fast, addressing distance limitations, and comprehensive subscriber management capabilities."},{"question":"What types of DSLAMs exist?","answer":"There are different types of DSLAMs based on their deployment locations and architectures:\r\n<ol>\r\n \t<li>Central Office DSLAM: Installed at the telephone exchange, it aggregates DSL connections from multiple customers in a specific geographic area.<\/li>\r\n \t<li>Remote DSLAM: Placed closer to end-users in FTTN and FTTC architectures, reducing copper loop length for better connection quality.<\/li>\r\n \t<li>Customer Premises DSLAM: Installed directly at customer premises, providing high-speed internet access to multiple users within a building.<\/li>\r\n<\/ol>"},{"question":"How is DSLAM used, and what are the associated problems and solutions?","answer":"DSLAMs are crucial in delivering high-speed broadband services. However, they face challenges like distance limitations, crosstalk interference, capacity constraints, and reliance on legacy copper infrastructure. Solutions include optimizing DSLAM placement, using advanced noise cancellation techniques, and transitioning to fiber-based technologies."},{"question":"How does DSLAM compare to other similar terms?","answer":"DSLAM is distinct from other terms like modems, broadband routers, and OLTs (Optical Line Terminals). DSLAM's main characteristics include aggregation, high-speed connectivity, and subscriber management."},{"question":"What does the future hold for DSLAM?","answer":"Future technologies are likely to shift towards fiber-based solutions like FTTH. While DSLAMs have been vital, fiber-optic connections offer higher speeds and reliability, potentially phasing out traditional DSLAM-based networks."},{"question":"How are proxy servers associated with DSLAM?","answer":"Proxy servers and DSLAMs serve different roles in the internet ecosystem. Proxy servers act as intermediaries, providing anonymity and security, while DSLAMs aggregate DSL connections for high-speed internet access. Both technologies contribute to enhancing the overall internet experience for users."}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/477008","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/477008\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media\/477009"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media?parent=477008"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}