{"id":8891,"date":"2016-09-02T07:11:59","date_gmt":"2016-09-02T16:11:59","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T15:00:00","slug":"","status":"publish","type":"post","link":"http:\/\/w3devlabs.net\/wp\/?p=8891","title":{"rendered":"[\uc815\ubcf4\ud1b5\uc2e0\uc6a9\uc5b4] \ub3d9\uae30 \ub514\uc9c0\ud138 \uacc4\uce35"},"content":{"rendered":"<p><h1>SDH (Synchronous Digital Hierarchy)  &#8211;  \ub3d9\uae30 \ub514\uc9c0\ud138 \uacc4\uce35<\/h1>\n<\/p>\n<p>SDH\ub294 \uad11\ub9e4\uccb4 \uc0c1\uc5d0\uc11c \ub3d9\uae30\uc2dd \ub370\uc774\ud130 \uc804\uc1a1\uc744 \ud558\uae30 \uc704\ud55c \ud45c\uc900 \uae30\uc220\ub85c\uc11c, SONET\uacfc \uad6d\uc81c\uc801\uc73c\ub85c \ub3d9\ub4f1\ud558\ub2e4. \ub450 \uae30\uc220 \ubaa8\ub450 \uc804\ud1b5\uc801\uc778 PDH (Plesiochronous Digital Hierarchy) \uc7a5\ube44\uc5d0 \ube44\ud574, \ub354 \ube60\ub974\uba74\uc11c\ub3c4 \ube44\uc6a9\uc740 \uc801\uac8c\ub4dc\ub294 \ub124\ud2b8\uc6cd \uc811\uc18d\ubc29\ubc95\uc774\ub2e4. \ub514\uc9c0\ud138 \uc804\ud654 \uc804\uc1a1\uc5d0\uc11c, &#8220;\ub3d9\uae30\uc2dd&#8221;\uc774\ub780, \ud558\ub098\uc758 \ud1b5\ud654\uc5d0 \uc18d\ud558\ub294 \ube44\ud2b8\ub4e4\uc774 \ud558\ub098\uc758 \uc804\uc1a1 \ud504\ub808\uc784 \ub0b4\uc5d0 \ubaa8\ub450 \uc774\ub3d9\ud55c\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud55c\ub2e4. &#8220;Plesiochronous&#8221;\ub294 \uac70\uc758 \ub3d9\uae30\uc2dd\uc5d0 \uac00\uae5d\uac70\ub098, \ub610\ub294 \ud558\ub098\uc758 \ud1b5\ud654\uac00 \ud558\ub098 \uc774\uc0c1\uc758 \uc804\uc1a1 \ud504\ub808\uc784\uc73c\ub85c\ubd80\ud130 \ucd94\ucd9c\ub418\uc5b4\uc57c\ub9cc \ud558\ub294 \ud1b5\ud654\ub97c \uc758\ubbf8\ud55c\ub2e4. SDH\ub294 \ub2e4\uc74c\uc5d0 \uacc4\uc18d\ub418\ub294 STM \uc2dc\ub9ac\uc988\uc640 \uc18d\ub3c4\ub97c \uc0ac\uc6a9\ud55c\ub2e4. \uc989, 155 Mbps \uc18d\ub3c4\uc758 STM-1, 622 Mbps \uc18d\ub3c4\uc758 STM-4, 2.5 Gbps \uc18d\ub3c4\uc758 STM-16, \uadf8\ub9ac\uace0 10 Gbps \uc18d\ub3c4\uc758 STM-64 \ub4f1\uc774 \uadf8\uac83\uc774\ub2e4. Queen&#8217;s University of Belfast\uc5d0 SONET\/SDH\uc5d0 \uad00\ud55c \uc9e7\uc740 \uad50\uc7ac\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SDH (Synchronous Digital Hierarchy) &#8211; \ub3d9\uae30 \ub514\uc9c0\ud138 \uacc4\uce35 SDH\ub294 \uad11\ub9e4\uccb4 \uc0c1\uc5d0\uc11c \ub3d9\uae30\uc2dd \ub370\uc774\ud130 \uc804\uc1a1\uc744 \ud558\uae30 \uc704\ud55c \ud45c\uc900 \uae30\uc220\ub85c\uc11c, SONET\uacfc \uad6d\uc81c\uc801\uc73c\ub85c \ub3d9\ub4f1\ud558\ub2e4. \ub450 \uae30\uc220 \ubaa8\ub450 \uc804\ud1b5\uc801\uc778 PDH (Plesiochronous Digital Hierarchy) \uc7a5\ube44\uc5d0 \ube44\ud574, \ub354 \ube60\ub974\uba74\uc11c\ub3c4 \ube44\uc6a9\uc740 \uc801\uac8c\ub4dc\ub294 \ub124\ud2b8\uc6cd \uc811\uc18d\ubc29\ubc95\uc774\ub2e4. \ub514\uc9c0\ud138 \uc804\ud654 \uc804\uc1a1\uc5d0\uc11c, &#8220;\ub3d9\uae30\uc2dd&#8221;\uc774\ub780, \ud558\ub098\uc758 \ud1b5\ud654\uc5d0 \uc18d\ud558\ub294 \ube44\ud2b8\ub4e4\uc774 \ud558\ub098\uc758 \uc804\uc1a1 \ud504\ub808\uc784 \ub0b4\uc5d0 \ubaa8\ub450 \uc774\ub3d9\ud55c\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud55c\ub2e4. &#8220;Plesiochronous&#8221;\ub294 \uac70\uc758 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/w3devlabs.net\/wp\/?p=8891\" class=\"more-link\">\ub354 \ubcf4\uae30<span class=\"screen-reader-text\"> &#8220;[\uc815\ubcf4\ud1b5\uc2e0\uc6a9\uc5b4] \ub3d9\uae30 \ub514\uc9c0\ud138 \uacc4\uce35&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[5922],"tags":[5921],"class_list":["post-8891","post","type-post","status-publish","format-standard","hentry","category-5922","tag-5921","entry"],"_links":{"self":[{"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/8891","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8891"}],"version-history":[{"count":0,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/8891\/revisions"}],"wp:attachment":[{"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8891"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8891"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8891"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}