{"id":1521,"date":"2025-11-23T11:59:42","date_gmt":"2025-11-23T04:59:42","guid":{"rendered":"https:\/\/yourapx.com\/?p=1521"},"modified":"2025-11-23T13:04:38","modified_gmt":"2025-11-23T06:04:38","slug":"sua-switch-cong-nghiep-loi-at-ie340-20gp-loi-allied-telesis","status":"publish","type":"post","link":"https:\/\/yourapx.com\/?p=1521","title":{"rendered":"S\u1eeda switch c\u00f4ng nghi\u1ec7p l\u1ed7i, AT-IE340-20GP l\u1ed7i-Allied Telesis"},"content":{"rendered":"<div id=\"pl-1521\"  class=\"panel-layout\" ><div id=\"pg-1521-0\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-1521-0-0\"  class=\"panel-grid-cell\" ><div id=\"panel-1521-0-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"0\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t><h3 class=\"widget-title\">S\u1eeda Switch c\u00f4ng nghi\u1ec7p AT-IE340-20GP l\u1ed7i h\u00e3ng  Allied Telesis<\/h3>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<h1>I. Gi\u1edbi thi\u1ec7u<\/h1>\n<ul data-start=\"282\" data-end=\"1428\">\n<li style=\"list-style-type: none;\">\n<ul data-start=\"632\" data-end=\"1797\">\n<li data-start=\"632\" data-end=\"744\">\n<p data-start=\"634\" data-end=\"744\">C\u1ed5ng: 16 x 10\/100\/1000T (RJ-45) + 4 x 100\/1000X SFP \u2013 t\u1ed5ng s\u1ed1 20 c\u1ed5ng. <span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/www.alliedtelesis.com\/us\/en\/products\/switches\/ie340-series\/ie340-12gp?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">Allied Telesis<\/span><span class=\"-me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+1<\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<li data-start=\"745\" data-end=\"908\">\n<p data-start=\"747\" data-end=\"908\">C\u1ea5u tr\u00fac chuy\u1ec3n m\u1ea1ch (switch fabric) kho\u1ea3ng <strong data-start=\"791\" data-end=\"802\">40 Gbps<\/strong>, v\u00e0 hi\u1ec7u su\u1ea5t chuy\u1ec3n ti\u1ebfp (forwarding rate) kho\u1ea3ng <strong data-start=\"854\" data-end=\"867\">29.7 Mpps<\/strong>. <span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/www.alliedtelesis.com\/us\/en\/products\/switches\/ie340-series\/ie340-12gp?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">Allied Telesis<\/span><span class=\"-me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+1<\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<li data-start=\"909\" data-end=\"1101\">\n<p data-start=\"911\" data-end=\"1101\">H\u1ed7 tr\u1ee3 c\u1ea5p ngu\u1ed3n PoE\/PoE+: t\u1ed5ng ng\u00e2n s\u00e1ch PoE (PoE budget) ~ <strong data-start=\"972\" data-end=\"981\">240 W<\/strong>, t\u1ed1i \u0111a 16 c\u1ed5ng c\u1ea5p ngu\u1ed3n (v\u1edbi PoE) ho\u1eb7c 8 c\u1ed5ng c\u1ea5p ngu\u1ed3n PoE+ (30 W m\u1ed7i c\u1ed5ng). <span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/www.alliedtelesis.com\/us\/en\/products\/switches\/ie340-series\/ie340-12gp?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">Allied Telesis<\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<li data-start=\"1102\" data-end=\"1315\">\n<p data-start=\"1104\" data-end=\"1315\">D\u1ea3i nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng r\u1ed9ng, \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p m\u00f4i tr\u01b0\u1eddng ngo\u00e0i tr\u1eddi ho\u1eb7c c\u00f4ng nghi\u1ec7p: t\u1eeb <strong data-start=\"1193\" data-end=\"1214\">-40 \u00b0C \u0111\u1ebfn +75 \u00b0C<\/strong> (v\u00e0 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m t\u1edbi 85 \u00b0C) theo th\u00f4ng s\u1ed1 chung c\u1ee7a d\u00f2ng. <span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/www.alliedtelesis.com\/sites\/default\/files\/documents\/datasheets\/ati-ie340series-ds.pdf?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">Allied Telesis<\/span><span class=\"-me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+1<\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<li data-start=\"1316\" data-end=\"1457\">\n<p data-start=\"1318\" data-end=\"1457\">Thi\u1ebft k\u1ebf fan-less (kh\u00f4ng qu\u1ea1t), v\u1ecf kim lo\u1ea1i, c\u00f3 kh\u1ea3 n\u0103ng g\u1eafn DIN-rail ho\u1eb7c tr\u00ean t\u01b0\u1eddng (wall mount). <span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/www.alliedtelesis.com\/us\/en\/products\/switches\/ie340-series\/ie340-12gp?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">Allied Telesis<\/span><span class=\"-me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+1<\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<li data-start=\"1458\" data-end=\"1635\">\n<p data-start=\"1460\" data-end=\"1635\">H\u1ec7 \u0111i\u1ec1u h\u00e0nh: AlliedWare Plus\u2122, h\u1ed7 tr\u1ee3 nhi\u1ec1u t\u00ednh n\u0103ng qu\u1ea3n l\u00fd, b\u1ea3o m\u1eadt, t\u1ef1 \u0111\u1ed9ng h\u00f3a m\u1ea1ng nh\u01b0 NETCONF\/RESTCONF v\u1edbi YANG, OpenFlow v1.3. <span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/www.alliedtelesis.com\/sites\/default\/files\/documents\/datasheets\/ati-ie340series-ds.pdf?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">Allied Telesis<\/span><span class=\"-me-1 flex h-full items-center rounded-full px-1 text-[#8F8F8F]\">+1<\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<li data-start=\"1636\" data-end=\"1797\">\n<p data-start=\"1638\" data-end=\"1797\">H\u1ed7 tr\u1ee3 c\u00e1c t\u00ednh n\u0103ng m\u1ea1ng c\u00f4ng nghi\u1ec7p cao nh\u01b0 EPSRing\u2122, ITU-T G.8032 (m\u1ea1ng v\u00f2ng nhanh), Active Fiber Monitoring\u2122 (AFM). <span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"><a class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" href=\"https:\/\/www.alliedtelesis.com\/sites\/default\/files\/documents\/datasheets\/ati-ie340series-ds.pdf?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-[15ch] grow truncate overflow-hidden text-center\">Allied Telesis<\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"1336\" data-end=\"1428\"><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h1><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1528\" style=\"font-size: 16px;\" src=\"https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113114-scaled-e1763877193569-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113114-scaled-e1763877193569-300x225.jpg 300w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113114-scaled-e1763877193569-1024x768.jpg 1024w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113114-scaled-e1763877193569-768x576.jpg 768w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113114-scaled-e1763877193569-1536x1152.jpg 1536w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113114-scaled-e1763877193569-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1534\" src=\"https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_114834-scaled-e1763877303361-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_114834-scaled-e1763877303361-300x225.jpg 300w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_114834-scaled-e1763877303361-1024x768.jpg 1024w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_114834-scaled-e1763877303361-768x576.jpg 768w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_114834-scaled-e1763877303361-1536x1152.jpg 1536w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_114834-scaled-e1763877303361-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1527\" src=\"https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/IE340-20GP-3840-e1763877341777-300x240.png\" alt=\"AT-IE340-20GP L\u1ed7i\" width=\"300\" height=\"240\" srcset=\"https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/IE340-20GP-3840-e1763877341777-300x240.png 300w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/IE340-20GP-3840-e1763877341777.png 428w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/h1>\n<p style=\"text-align: center;\">\u1ea2nh thi\u1ebft b\u1ecb AT-IE340-20GP<\/p>\n<h1>II.Nh\u1eefng l\u1ed7i th\u01b0\u1eddng g\u1eb7p<\/h1>\n<ol>\n<li>L\u1ed7i Kh\u00f4ng l\u00ean ngu\u1ed3n.<\/li>\n<li>LAN ho\u1ea1t \u0111\u1ed9ng nh\u01b0ng kh\u00f4ng c\u1ea5p POE.<\/li>\n<li>LAN v\u00e0 POE kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng.<\/li>\n<li>LED port kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c ho\u1ea1t \u0111\u1ed9ng l\u1ed7i.<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1529\" src=\"https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113129-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113129-225x300.jpg 225w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113129-768x1024.jpg 768w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113129-1152x1536.jpg 1152w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113129-1536x2048.jpg 1536w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113129-scaled.jpg 1920w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1530\" src=\"https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113211-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113211-225x300.jpg 225w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113211-768x1024.jpg 768w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113211-1152x1536.jpg 1152w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113211-1536x2048.jpg 1536w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113211-scaled.jpg 1920w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1531\" src=\"https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113228-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1532\" src=\"https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113325-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1533\" src=\"https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_114349-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_114349-225x300.jpg 225w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_114349-768x1024.jpg 768w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_114349-1152x1536.jpg 1152w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_114349-1536x2048.jpg 1536w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_114349-scaled.jpg 1920w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/p>\n<p style=\"text-align: center;\">H\u00ecnh anrht thi\u1ebft b\u1ecb AT-IE340-20GP l\u1ed7i<\/p>\n<h2>2.1 AT-IE340-20GP l\u1ed7i kh\u00f4ng l\u00ean ngu\u1ed3n<\/h2>\n<p>\u0110\u00e2y l\u00e0 l\u1ed7i r\u1ea5t r\u1ed9ng c\u00f3 th\u1ec3 do r\u1ea5t nhi\u1ec1u nguy\u00ean nh\u00e2n t\u1eeb CPU BCM53343A0KGSBG t\u1edbi IC driver LT8705 ho\u1eb7c ic \u0111i\u1ec1u khi\u1ec3n led LV164 (h\u1ecd 74HC164) g\u00e2y n\u00ean v\u00e0 nguy\u00ean nh\u00e2n ch\u1ee7 y\u1ebfu do l\u1ed7i shock \u0111i\u1ec7n t\u1eeb Port Ethernet g\u00e2y n\u00ean, hi\u1ebfm khi do ngu\u1ed3n c\u1ea5p g\u00e2y n\u00ean, \u0111\u00f4i khi v\u1eabn c\u00f3 kh\u1ea3 n\u0103ng t\u1eeb ngu\u1ed3n c\u1ea5p nh\u01b0ng v\u00f4 c\u00f9ng hi\u1ebfm, kh\u1ea3 d\u0129 do ngu\u1ed3n c\u1ea5p \u0111\u01b0\u1ee3c c\u1ea5p chu\u1ea9n h\u00f3a v\u00e0 c\u00f3 c\u01a1 ch\u1ebf b\u1ea3o v\u1ec7 ho\u00e0n ch\u1ec9nh.<\/p>\n<p>Ch\u00fang t\u00f4i \u0111\u00e3 nh\u1eadn r\u1ea5t nhi\u1ec1u thi\u1ebft b\u1ecb switch c\u00f4ng nghi\u1ec7p v\u00e0 vi\u1ec7c l\u1ed7i do ngu\u1ed3n c\u1ea5p g\u00e2y n\u00ean g\u1ea7n nh\u01b0 ch\u01b0a g\u1eb7p, ch\u1ee7 y\u1ebfu do shock \u0111i\u1ec7n t\u1eeb port Ethernet v\u00e0o g\u00e2y l\u1ed7i c\u1ea3 ngu\u1ed3n.<\/p>\n<h2>2.2 LAN ho\u1ea1t \u0111\u1ed9ng nh\u01b0ng kh\u00f4ng c\u1ea5p POE<\/h2>\n<p>L\u1ed7i n\u00e0y th\u01b0\u1eddng g\u1eb7p v\u1edbi tr\u01b0\u1eddng h\u1ee3p b\u1ecb shock \u0111i\u1ec7n g\u00e2y ch\u1ebft POE board, ch\u1ebft ngu\u1ed3n c\u1ea5p cho POE board ch\u1ee7 y\u1ebfu l\u00e0 IC <a class=\"x-editable1 font-smaller editable editable-click\" title=\"\" rel=\"tooltip\" data-type=\"text\" data-name=\"note_orders\" data-pk=\"1365437\" data-url=\"https:\/\/bh.kdglobal.vn\/order\/edit-order-1365437\" data-value=\"LT8705EUHF QFN38\" data-original-title=\"S\u1eeda ghi ch\u00fa \u0111\u01a1n ri\u00eang nh\u00e2n vi\u00ean kh\u00f4ng nh\u00ecn th\u1ea5y\">LT8705EUHF. V\u00e0 c\u00e1c linh ki\u1ec7n nh\u1ecf l\u00e2n c\u1eadn.<\/a><\/p>\n<p>c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y vi\u1ec7c POE board b\u1ecb ch\u00e1y n\u1ed5 nh\u01b0 h\u00ecnh d\u01b0\u1edbi \u0111\u00e2y<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1532 \" src=\"https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113325-scaled-e1763877508867-300x225.jpg\" alt=\"\" width=\"576\" height=\"432\" srcset=\"https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113325-scaled-e1763877508867-300x225.jpg 300w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113325-scaled-e1763877508867-1024x768.jpg 1024w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113325-scaled-e1763877508867-768x576.jpg 768w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113325-scaled-e1763877508867-1536x1152.jpg 1536w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113325-scaled-e1763877508867-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1531 \" src=\"https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113228-scaled-e1763877563151-300x225.jpg\" alt=\"\" width=\"577\" height=\"433\" srcset=\"https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113228-scaled-e1763877563151-300x225.jpg 300w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113228-scaled-e1763877563151-1024x768.jpg 1024w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113228-scaled-e1763877563151-768x576.jpg 768w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113228-scaled-e1763877563151-1536x1152.jpg 1536w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113228-scaled-e1763877563151-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 577px) 100vw, 577px\" \/><\/p>\n<p style=\"text-align: center;\">H\u00ecnh \u1ea3nh POE board l\u1ed7i<\/p>\n<h2>2.2 AT-IE340-20GP l\u1ed7i LAN\u00a0 v\u00e0 POE<\/h2>\n<p>\u0110\u00e2y ch\u00ednh x\u00e1c l\u00e0 l\u1ed7i nhi\u1ec1u nh\u1ea5t v\u00e0 x\u1ea3y ra nh\u1ea5t m\u00e0 ch\u00fang ta c\u1ea7n l\u01b0u \u00fd \u0111\u1ec3 s\u1eeda thi\u1ebft b\u1ecb n\u00e0y.<\/p>\n<p>Khi LAN kh\u00f4ng l\u00ean th\u00ec nguy\u00ean nh\u00e2n do l\u1ed7i CPU BCM53343A0KGSBG hi\u1ebfm khi n\u00e0o x\u1ea3y ra do Flash( ch\u00fang t\u00f4i ch\u01b0a g\u1eb7p). B\u1ea1n ph\u1ea3i x\u1eed l\u00fd tri\u1ec7t \u0111\u1ec3 l\u1ed7i n\u00e0y tr\u01b0\u1edbc khi x\u1eed l\u00fd c\u00e1c l\u1ed7i li\u00ean quan ti\u1ebfp theo. x\u1eed l\u00fd xong l\u1ed7i n\u00e0y b\u1ea1n m\u1edbi ti\u1ebfp t\u1ee5c x\u1eed l\u00fd t\u1edbi ph\u1ea7n POE board. H\u00ecnh \u1ea3nh d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-1536 aligncenter\" src=\"https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113622-scaled-e1763877666270-300x184.jpg\" alt=\"\" width=\"559\" height=\"343\" srcset=\"https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113622-scaled-e1763877666270-300x184.jpg 300w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113622-scaled-e1763877666270-1024x629.jpg 1024w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113622-scaled-e1763877666270-768x472.jpg 768w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251104_113622-scaled-e1763877666270.jpg 1493w\" sizes=\"auto, (max-width: 559px) 100vw, 559px\" \/><\/p>\n<p style=\"text-align: center;\">H\u00ecnh \u1ea3nh CPU c\u1ee7a switch AT-IE340-20GP<\/p>\n<h2>2.3 LED port AT-IE340-20GP kh\u00f4ng s\u00e1ng, ho\u1ea1t \u0111\u1ed9ng l\u1ed7i<\/h2>\n<p>Sau khi s\u1eeda th\u00e0nh c\u00f4ng ph\u1ea7n LAN v\u00e0 POE, tuy nhi\u00ean c\u00e1c b\u1ea1n kh\u00f4ng th\u1ea5y led ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang th\u00ec ph\u1ea7n c\u00f2n l\u1ea1i l\u00e0\u00a0 IC \u0111i\u1ec1u khi\u1ec3n LED. IC \u0111i\u1ec1u khi\u1ec3n c\u00e1c Led n\u00e0y l\u00e0 h\u1ecd HC164 TSSOP 16 ch\u00e2n. c\u00e1c b\u1ea1n thay l\u00e0 ok.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-1516 aligncenter\" src=\"https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251122_085737-300x140.jpg\" alt=\"AT-IS230-10GP-80 l\u1ed7i led port\" width=\"559\" height=\"261\" srcset=\"https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251122_085737-300x140.jpg 300w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251122_085737-1024x478.jpg 1024w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251122_085737-768x359.jpg 768w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251122_085737-1536x717.jpg 1536w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251122_085737-2048x956.jpg 2048w\" sizes=\"auto, (max-width: 559px) 100vw, 559px\" \/><\/p>\n<p style=\"text-align: center;\">H\u00ecnh \u1ea3nh AT-IE340-20GP l\u1ed7i IC led driver<\/p>\n<h2>2.4 AT-IE340-20GP L\u1ed7i m\u1ed9t s\u1ed1 port c\u1ea5p POE.<\/h2>\n<p>\u0110\u00e2y c\u00f3 th\u1ec3 n\u00f3i l\u00e0 l\u1ed7i kh\u00f3 nh\u1eb1n nh\u1ea5t c\u1ee7a d\u00f2ng n\u00e0y do b\u1ea1n ph\u1ea3i t\u1ed1n nhi\u1ec1u th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9a \u0111\u1ec3 s\u1eeda v\u00e0 thay th\u1ebf, v\u00ec ch\u00fang ta ph\u1ea3i nh\u1ea5c c\u1ea3 c\u1ee5m port ra \u0111\u1ec3 thay th\u1ebf v\u00e0 s\u1eeda ch\u1eefa t\u1eebng port l\u1ed7i, ph\u1ea7n l\u1edbn do shock \u0111i\u1ec7n, s\u00e9t \u0111\u00e1nh v\u00e0o port\u00a0 g\u00e2y n\u00ean. H\u00ecnh \u1ea3nh port l\u1ed7i d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1517 aligncenter\" src=\"https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251122_152417-300x158.jpg\" alt=\"Port AT-IS230-10GP l\u1ed7i\" width=\"635\" height=\"334\" srcset=\"https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251122_152417-300x158.jpg 300w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251122_152417-1024x540.jpg 1024w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251122_152417-768x405.jpg 768w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251122_152417-1536x810.jpg 1536w, https:\/\/yourapx.com\/wp-content\/uploads\/2025\/11\/20251122_152417-2048x1081.jpg 2048w\" sizes=\"auto, (max-width: 635px) 100vw, 635px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>C\u00e1c l\u1ed7i s\u1ebd ti\u1ebfp t\u1ee5c \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt<\/p>\n<p>N\u1ebfu b\u1ea1n c\u00f3 nhu c\u1ea7u s\u1eeda thi\u1ebft b\u1ecb AT-IE340-20GP h\u00e3y li\u00ean h\u1ec7 zalo: 0978626298<\/p>\n<p>Trao \u0111\u1ed5i v\u1edbi ch\u00fang t\u00f4i t\u1ea1i <a href=\"https:\/\/www.facebook.com\/suachuaswichcisco\/\">Fanpage Apx Group-s\u1eeda ch\u1eefa thi\u1ebft b\u1ecb m\u1ea1ng<\/a><\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>I. Gi\u1edbi thi\u1ec7u C\u1ed5ng: 16 x 10\/100\/1000T (RJ-45) + 4 x 100\/1000X SFP \u2013 t\u1ed5ng s\u1ed1 20 c\u1ed5ng. Allied Telesis+1 C\u1ea5u tr\u00fac chuy\u1ec3n m\u1ea1ch (switch fabric) kho\u1ea3ng 40 Gbps, v\u00e0 hi\u1ec7u su\u1ea5t chuy\u1ec3n ti\u1ebfp (forwarding rate) kho\u1ea3ng 29.7 Mpps. Allied Telesis+1 H\u1ed7 tr\u1ee3 c\u1ea5p ngu\u1ed3n PoE\/PoE+: t\u1ed5ng ng\u00e2n s\u00e1ch PoE (PoE budget) ~ 240 W,&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1527,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-1521","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bai-viet-moi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>S\u1eeda switch c\u00f4ng nghi\u1ec7p l\u1ed7i, AT-IE340-20GP l\u1ed7i-Allied Telesis - APX-CHUY\u00caN S\u1eecA THI\u1ebeT B\u1eca M\u1ea0NG<\/title>\n<meta name=\"description\" content=\"L\u1ed7i Kh\u00f4ng l\u00ean ngu\u1ed3n.LAN ho\u1ea1t \u0111\u1ed9ng nh\u01b0ng kh\u00f4ng c\u1ea5p POE.LAN v\u00e0 POE kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng.LED port kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c ho\u1ea1t \u0111\u1ed9ng l\u1ed7i.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/yourapx.com\/?p=1521\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"S\u1eeda switch c\u00f4ng nghi\u1ec7p l\u1ed7i, AT-IE340-20GP l\u1ed7i-Allied Telesis - 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